diff --git a/database/README.md b/database/README.md
index d505f3e..98c7b02 100644
--- a/database/README.md
+++ b/database/README.md
@@ -33,6 +33,7 @@ database/
 | V014 | `V014__create_tablas_fiscales.sql` | ADM-009 | TiposDeIva + IngresosBrutos (versioning por cadena) + permisos fiscales |
 | V015 | `V015__create_local_timezone_views.sql` | UDT-011 | Vistas admin con OccurredAt convertido a hora Argentina |
 | **V016** | **`V016__create_rubro.sql`** | **CAT-001** | **Rubro (adjacency list, temporal 10y) + permiso `catalogo:rubros:gestionar`** |
+| **V017** | **`V017__create_product_type.sql`** | **PRD-001** | **ProductType (flags + multimedia limits, temporal 10y) + permiso `catalogo:tipos:gestionar`** |
 
 ## Convenciones
 
diff --git a/database/migrations/V017_ROLLBACK.sql b/database/migrations/V017_ROLLBACK.sql
new file mode 100644
index 0000000..4ec52cf
--- /dev/null
+++ b/database/migrations/V017_ROLLBACK.sql
@@ -0,0 +1,71 @@
+-- V017_ROLLBACK.sql
+-- Reversa de V017__create_product_type.sql.
+-- PRD-001: ProductType rollback.
+--
+-- ADVERTENCIA: Si PRD-002 ya fue mergeado (IProductQueryRepository real), hacer rollback
+-- de PRD-002 primero (la interfaz es removida por esta rollback).
+--
+-- Idempotente: cada paso usa IF EXISTS guards.
+
+SET QUOTED_IDENTIFIER ON;
+SET ANSI_NULLS ON;
+SET NOCOUNT ON;
+GO
+
+-- 1. Desactivar SYSTEM_VERSIONING
+IF EXISTS (SELECT 1 FROM sys.tables WHERE object_id = OBJECT_ID('dbo.ProductType') AND temporal_type = 2)
+BEGIN
+    ALTER TABLE dbo.ProductType SET (SYSTEM_VERSIONING = OFF);
+    PRINT 'ProductType: SYSTEM_VERSIONING = OFF.';
+END
+GO
+
+-- 2. Remover PERIOD FOR SYSTEM_TIME
+IF EXISTS (SELECT 1 FROM sys.periods WHERE object_id = OBJECT_ID('dbo.ProductType'))
+BEGIN
+    ALTER TABLE dbo.ProductType DROP PERIOD FOR SYSTEM_TIME;
+    PRINT 'ProductType: PERIOD FOR SYSTEM_TIME dropped.';
+END
+GO
+
+-- 3. Remover columnas HIDDEN + default constraints
+IF COL_LENGTH('dbo.ProductType', 'ValidFrom') IS NOT NULL
+BEGIN
+    ALTER TABLE dbo.ProductType DROP CONSTRAINT IF EXISTS DF_ProductType_ValidFrom;
+    ALTER TABLE dbo.ProductType DROP CONSTRAINT IF EXISTS DF_ProductType_ValidTo;
+    ALTER TABLE dbo.ProductType DROP COLUMN ValidFrom, ValidTo;
+    PRINT 'ProductType: ValidFrom/ValidTo columns dropped.';
+END
+GO
+
+-- 4. Drop history table
+IF OBJECT_ID(N'dbo.ProductType_History', N'U') IS NOT NULL
+BEGIN
+    DROP TABLE dbo.ProductType_History;
+    PRINT 'Table dbo.ProductType_History dropped.';
+END
+GO
+
+-- 5. Drop main table
+IF OBJECT_ID(N'dbo.ProductType', N'U') IS NOT NULL
+BEGIN
+    DROP TABLE dbo.ProductType;
+    PRINT 'Table dbo.ProductType dropped.';
+END
+GO
+
+-- 6. Remover RolPermiso para catalogo:tipos:gestionar
+DELETE rp FROM dbo.RolPermiso rp
+    JOIN dbo.Permiso p ON p.Id = rp.PermisoId
+    WHERE p.Codigo = 'catalogo:tipos:gestionar';
+PRINT 'RolPermiso rows for catalogo:tipos:gestionar deleted.';
+GO
+
+-- 7. Remover Permiso
+DELETE FROM dbo.Permiso WHERE Codigo = 'catalogo:tipos:gestionar';
+PRINT 'Permiso catalogo:tipos:gestionar deleted.';
+GO
+
+PRINT '';
+PRINT 'V017 rolled back successfully.';
+GO
diff --git a/database/migrations/V017__create_product_type.sql b/database/migrations/V017__create_product_type.sql
new file mode 100644
index 0000000..0477778
--- /dev/null
+++ b/database/migrations/V017__create_product_type.sql
@@ -0,0 +1,158 @@
+-- V017__create_product_type.sql
+-- PRD-001: ProductType — tipología dinámica de productos con flags de comportamiento + límites multimedia.
+--
+-- Cambios:
+--   1. dbo.ProductType (flags + multimedia limits, SYSTEM_VERSIONING ON, retention 10 años).
+--   2. Índice filtrado unique UQ_ProductType_Nombre_Activo (unicidad CI entre activos).
+--   3. Índice cubriente IX_ProductType_IsActive_Cover.
+--   4. Permiso 'catalogo:tipos:gestionar' + asignación a rol 'admin'.
+--
+-- Patrón: V016 (dbo.Rubro con SYSTEM_VERSIONING + PAGE compression + MERGE permisos).
+-- Idempotente: seguro para re-ejecutar.
+-- Reversa: V017_ROLLBACK.sql.
+-- Run on: SIGCM2 (dev) y SIGCM2_Test (integration tests).
+--
+-- Notas:
+--   - SIN seed de datos — PRD-008 (V018) seedea los 12 tipos legacy.
+--   - SIN FK desde dbo.Product — PRD-002 agrega ALTER TABLE con FK.
+--   - Invariante aplicada en Application: si AllowImages=0, los 4 campos multimedia son NULL (handler normaliza).
+--   - MaxImages/MaxImageSizeMB/MaxImageWidth/MaxImageHeight: NULL = sin límite; >=1 = tope (validator rechaza <=0).
+--   - Desviación del UDT: "0 = ilimitado" → usamos NULL (convención canónica). Ver PRD-001 archive-report.
+--
+-- SDD Design: engram sdd/prd-001-product-type-flags-multimedia/design
+
+SET QUOTED_IDENTIFIER ON;
+SET ANSI_NULLS ON;
+SET NOCOUNT ON;
+GO
+
+-- ═══════════════════════════════════════════════════════════════════════
+-- 1. dbo.ProductType
+-- ═══════════════════════════════════════════════════════════════════════
+
+IF OBJECT_ID(N'dbo.ProductType', N'U') IS NULL
+BEGIN
+    CREATE TABLE dbo.ProductType (
+        Id                INT IDENTITY(1,1) NOT NULL CONSTRAINT PK_ProductType PRIMARY KEY,
+        Nombre            NVARCHAR(200)     COLLATE SQL_Latin1_General_CP1_CI_AI NOT NULL,
+
+        -- Flags de comportamiento
+        HasDuration       BIT               NOT NULL CONSTRAINT DF_ProductType_HasDuration      DEFAULT(0),
+        RequiresText      BIT               NOT NULL CONSTRAINT DF_ProductType_RequiresText     DEFAULT(0),
+        RequiresCategory  BIT               NOT NULL CONSTRAINT DF_ProductType_RequiresCategory DEFAULT(0),
+        IsBundle          BIT               NOT NULL CONSTRAINT DF_ProductType_IsBundle         DEFAULT(0),
+
+        -- Multimedia (AllowImages=0 => handler normaliza los 4 siguientes a NULL)
+        AllowImages       BIT               NOT NULL CONSTRAINT DF_ProductType_AllowImages      DEFAULT(0),
+        MaxImages         INT               NULL,  -- NULL = sin límite; >=1 tope (validator rechaza <=0)
+        MaxImageSizeMB    DECIMAL(10,2)     NULL,  -- NULL = sin límite; DECIMAL(10,2) permite 0.5 MB, 2.75 MB
+        MaxImageWidth     INT               NULL,  -- NULL = sin límite; >=1 px
+        MaxImageHeight    INT               NULL,  -- NULL = sin límite; >=1 px
+
+        -- Lifecycle
+        IsActive          BIT               NOT NULL CONSTRAINT DF_ProductType_IsActive         DEFAULT(1),
+        FechaCreacion     DATETIME2(3)      NOT NULL CONSTRAINT DF_ProductType_FechaCreacion    DEFAULT(SYSUTCDATETIME()),
+        FechaModificacion DATETIME2(3)      NULL
+    );
+    PRINT 'Table dbo.ProductType created.';
+END
+ELSE
+    PRINT 'Table dbo.ProductType already exists — skip.';
+GO
+
+-- ═══════════════════════════════════════════════════════════════════════
+-- 2. SYSTEM_VERSIONING — ProductType
+-- ═══════════════════════════════════════════════════════════════════════
+
+IF COL_LENGTH('dbo.ProductType', 'ValidFrom') IS NULL
+BEGIN
+    ALTER TABLE dbo.ProductType
+    ADD
+        ValidFrom DATETIME2(3) GENERATED ALWAYS AS ROW START HIDDEN NOT NULL
+            CONSTRAINT DF_ProductType_ValidFrom DEFAULT(SYSUTCDATETIME()),
+        ValidTo   DATETIME2(3) GENERATED ALWAYS AS ROW END   HIDDEN NOT NULL
+            CONSTRAINT DF_ProductType_ValidTo   DEFAULT(CONVERT(DATETIME2(3), '9999-12-31 23:59:59.999')),
+        PERIOD FOR SYSTEM_TIME (ValidFrom, ValidTo);
+    PRINT 'ProductType: PERIOD FOR SYSTEM_TIME added.';
+END
+GO
+
+IF NOT EXISTS (SELECT 1 FROM sys.tables WHERE object_id = OBJECT_ID('dbo.ProductType') AND temporal_type = 2)
+BEGIN
+    ALTER TABLE dbo.ProductType
+    SET (SYSTEM_VERSIONING = ON (
+        HISTORY_TABLE = dbo.ProductType_History,
+        HISTORY_RETENTION_PERIOD = 10 YEARS
+    ));
+    PRINT 'ProductType: SYSTEM_VERSIONING = ON (history: dbo.ProductType_History, retention: 10 years).';
+END
+ELSE
+    PRINT 'ProductType: SYSTEM_VERSIONING already ON — skip.';
+GO
+
+IF EXISTS (SELECT 1 FROM sys.tables WHERE name = 'ProductType_History' AND schema_id = SCHEMA_ID('dbo'))
+   AND NOT EXISTS (
+       SELECT 1 FROM sys.partitions p
+       JOIN sys.tables t ON t.object_id = p.object_id
+       WHERE t.name = 'ProductType_History' AND p.data_compression = 2
+   )
+BEGIN
+    ALTER TABLE dbo.ProductType_History REBUILD WITH (DATA_COMPRESSION = PAGE);
+    PRINT 'ProductType_History: rebuilt with PAGE compression.';
+END
+GO
+
+-- ═══════════════════════════════════════════════════════════════════════
+-- 3. Índices
+-- ═══════════════════════════════════════════════════════════════════════
+
+IF NOT EXISTS (SELECT 1 FROM sys.indexes WHERE name = 'UQ_ProductType_Nombre_Activo' AND object_id = OBJECT_ID('dbo.ProductType'))
+BEGIN
+    CREATE UNIQUE INDEX UQ_ProductType_Nombre_Activo
+        ON dbo.ProductType(Nombre)
+        WHERE IsActive = 1;
+    PRINT 'Index UQ_ProductType_Nombre_Activo created.';
+END
+GO
+
+IF NOT EXISTS (SELECT 1 FROM sys.indexes WHERE name = 'IX_ProductType_IsActive_Cover' AND object_id = OBJECT_ID('dbo.ProductType'))
+BEGIN
+    CREATE INDEX IX_ProductType_IsActive_Cover
+        ON dbo.ProductType(IsActive)
+        INCLUDE (Nombre, HasDuration, RequiresText, RequiresCategory, IsBundle, AllowImages);
+    PRINT 'Index IX_ProductType_IsActive_Cover created.';
+END
+GO
+
+-- ═══════════════════════════════════════════════════════════════════════
+-- 4. Permiso: catalogo:tipos:gestionar + asignación a rol 'admin'
+-- ═══════════════════════════════════════════════════════════════════════
+
+MERGE dbo.Permiso AS t
+USING (VALUES
+    ('catalogo:tipos:gestionar',
+     N'Gestionar tipos de producto',
+     N'Crear, editar y desactivar ProductTypes del catálogo (flags + límites multimedia)',
+     'catalogo')
+) AS s (Codigo, Nombre, Descripcion, Modulo)
+ON t.Codigo = s.Codigo
+WHEN NOT MATCHED BY TARGET THEN
+    INSERT (Codigo, Nombre, Descripcion, Modulo)
+    VALUES (s.Codigo, s.Nombre, s.Descripcion, s.Modulo);
+GO
+
+MERGE dbo.RolPermiso AS t
+USING (
+    SELECT r.Id AS RolId, p.Id AS PermisoId
+    FROM (VALUES ('admin', 'catalogo:tipos:gestionar')) AS x (RolCodigo, PermisoCodigo)
+    JOIN dbo.Rol     r ON r.Codigo = x.RolCodigo
+    JOIN dbo.Permiso p ON p.Codigo = x.PermisoCodigo
+) AS s ON t.RolId = s.RolId AND t.PermisoId = s.PermisoId
+WHEN NOT MATCHED BY TARGET THEN
+    INSERT (RolId, PermisoId) VALUES (s.RolId, s.PermisoId);
+GO
+
+PRINT '';
+PRINT 'V017 applied — dbo.ProductType (temporal, retention 10y) + permiso catalogo:tipos:gestionar.';
+PRINT 'Next: V018 (PRD-008 — seed 12 tipos legacy).';
+GO
diff --git a/src/api/SIGCM2.Api/Controllers/ProductTypesController.cs b/src/api/SIGCM2.Api/Controllers/ProductTypesController.cs
new file mode 100644
index 0000000..bfe3ea8
--- /dev/null
+++ b/src/api/SIGCM2.Api/Controllers/ProductTypesController.cs
@@ -0,0 +1,184 @@
+using FluentValidation;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using SIGCM2.Api.Authorization;
+using SIGCM2.Application.Abstractions;
+using SIGCM2.Application.Common;
+using SIGCM2.Application.ProductTypes.Create;
+using SIGCM2.Application.ProductTypes.Deactivate;
+using SIGCM2.Application.ProductTypes.GetById;
+using SIGCM2.Application.ProductTypes.List;
+using SIGCM2.Application.ProductTypes.Update;
+
+namespace SIGCM2.Api.Controllers;
+
+/// <summary>
+/// PRD-001: ProductType catalog management.
+/// Read endpoints at /api/v1/product-types — require authentication (any role).
+/// Write endpoints at /api/v1/admin/product-types — require 'catalogo:tipos:gestionar'.
+/// </summary>
+[ApiController]
+public sealed class ProductTypesController : ControllerBase
+{
+    private readonly IDispatcher _dispatcher;
+    private readonly IValidator<CreateProductTypeCommand> _createValidator;
+    private readonly IValidator<UpdateProductTypeCommand> _updateValidator;
+
+    public ProductTypesController(
+        IDispatcher dispatcher,
+        IValidator<CreateProductTypeCommand> createValidator,
+        IValidator<UpdateProductTypeCommand> updateValidator)
+    {
+        _dispatcher = dispatcher;
+        _createValidator = createValidator;
+        _updateValidator = updateValidator;
+    }
+
+    // ── READ endpoints ─────────────────────────────────────────────────────────
+
+    /// <summary>Returns a paginated list of ProductTypes. Requires authentication.</summary>
+    [HttpGet("api/v1/product-types")]
+    [Authorize]
+    [ProducesResponseType(typeof(PagedResult<ProductTypeListItemDto>), StatusCodes.Status200OK)]
+    [ProducesResponseType(StatusCodes.Status401Unauthorized)]
+    public async Task<IActionResult> ListProductTypes(
+        [FromQuery] int page = 1,
+        [FromQuery] int pageSize = 20,
+        [FromQuery] bool? activo = true,
+        [FromQuery] string? search = null)
+    {
+        var query = new ListProductTypesQuery(page, pageSize, activo, search);
+        var result = await _dispatcher.Send<ListProductTypesQuery, PagedResult<ProductTypeListItemDto>>(query);
+        return Ok(result);
+    }
+
+    /// <summary>Returns a single ProductType by id. Requires authentication.</summary>
+    [HttpGet("api/v1/product-types/{id:int}")]
+    [Authorize]
+    [ProducesResponseType(typeof(ProductTypeDetailDto), StatusCodes.Status200OK)]
+    [ProducesResponseType(StatusCodes.Status401Unauthorized)]
+    [ProducesResponseType(StatusCodes.Status404NotFound)]
+    public async Task<IActionResult> GetProductTypeById([FromRoute] int id)
+    {
+        var query = new GetProductTypeByIdQuery(id);
+        var result = await _dispatcher.Send<GetProductTypeByIdQuery, ProductTypeDetailDto>(query);
+        return Ok(result);
+    }
+
+    // ── WRITE endpoints ────────────────────────────────────────────────────────
+
+    /// <summary>Creates a new ProductType. Requires catalogo:tipos:gestionar.</summary>
+    [HttpPost("api/v1/admin/product-types")]
+    [RequirePermission("catalogo:tipos:gestionar")]
+    [ProducesResponseType(typeof(ProductTypeCreatedDto), StatusCodes.Status201Created)]
+    [ProducesResponseType(StatusCodes.Status400BadRequest)]
+    [ProducesResponseType(StatusCodes.Status401Unauthorized)]
+    [ProducesResponseType(StatusCodes.Status403Forbidden)]
+    [ProducesResponseType(StatusCodes.Status409Conflict)]
+    public async Task<IActionResult> CreateProductType([FromBody] CreateProductTypeRequest request)
+    {
+        var command = new CreateProductTypeCommand(
+            Nombre: request.Nombre ?? string.Empty,
+            HasDuration: request.HasDuration,
+            RequiresText: request.RequiresText,
+            RequiresCategory: request.RequiresCategory,
+            IsBundle: request.IsBundle,
+            AllowImages: request.AllowImages,
+            MaxImages: request.MaxImages,
+            MaxImageSizeMB: request.MaxImageSizeMB,
+            MaxImageWidth: request.MaxImageWidth,
+            MaxImageHeight: request.MaxImageHeight);
+
+        var validation = await _createValidator.ValidateAsync(command);
+        if (!validation.IsValid)
+        {
+            var errors = validation.Errors
+                .GroupBy(e => e.PropertyName)
+                .ToDictionary(g => g.Key, g => g.Select(e => e.ErrorMessage).ToArray());
+            return BadRequest(new { errors });
+        }
+
+        var result = await _dispatcher.Send<CreateProductTypeCommand, ProductTypeCreatedDto>(command);
+        return CreatedAtAction(nameof(GetProductTypeById), new { id = result.Id }, result);
+    }
+
+    /// <summary>Updates a ProductType. Requires catalogo:tipos:gestionar.</summary>
+    [HttpPut("api/v1/admin/product-types/{id:int}")]
+    [RequirePermission("catalogo:tipos:gestionar")]
+    [ProducesResponseType(typeof(ProductTypeUpdatedDto), StatusCodes.Status200OK)]
+    [ProducesResponseType(StatusCodes.Status400BadRequest)]
+    [ProducesResponseType(StatusCodes.Status401Unauthorized)]
+    [ProducesResponseType(StatusCodes.Status403Forbidden)]
+    [ProducesResponseType(StatusCodes.Status404NotFound)]
+    [ProducesResponseType(StatusCodes.Status409Conflict)]
+    public async Task<IActionResult> UpdateProductType([FromRoute] int id, [FromBody] UpdateProductTypeRequest request)
+    {
+        var command = new UpdateProductTypeCommand(
+            Id: id,
+            Nombre: request.Nombre ?? string.Empty,
+            HasDuration: request.HasDuration,
+            RequiresText: request.RequiresText,
+            RequiresCategory: request.RequiresCategory,
+            IsBundle: request.IsBundle,
+            AllowImages: request.AllowImages,
+            MaxImages: request.MaxImages,
+            MaxImageSizeMB: request.MaxImageSizeMB,
+            MaxImageWidth: request.MaxImageWidth,
+            MaxImageHeight: request.MaxImageHeight);
+
+        var validation = await _updateValidator.ValidateAsync(command);
+        if (!validation.IsValid)
+        {
+            var errors = validation.Errors
+                .GroupBy(e => e.PropertyName)
+                .ToDictionary(g => g.Key, g => g.Select(e => e.ErrorMessage).ToArray());
+            return BadRequest(new { errors });
+        }
+
+        var result = await _dispatcher.Send<UpdateProductTypeCommand, ProductTypeUpdatedDto>(command);
+        return Ok(result);
+    }
+
+    /// <summary>Soft-deletes (deactivates) a ProductType. Requires catalogo:tipos:gestionar.</summary>
+    [HttpDelete("api/v1/admin/product-types/{id:int}")]
+    [RequirePermission("catalogo:tipos:gestionar")]
+    [ProducesResponseType(StatusCodes.Status204NoContent)]
+    [ProducesResponseType(StatusCodes.Status401Unauthorized)]
+    [ProducesResponseType(StatusCodes.Status403Forbidden)]
+    [ProducesResponseType(StatusCodes.Status404NotFound)]
+    [ProducesResponseType(StatusCodes.Status409Conflict)]
+    public async Task<IActionResult> DeactivateProductType([FromRoute] int id)
+    {
+        var command = new DeactivateProductTypeCommand(id);
+        await _dispatcher.Send<DeactivateProductTypeCommand, ProductTypeStatusDto>(command);
+        return NoContent();
+    }
+}
+
+// ── Request body records ──────────────────────────────────────────────────────
+
+/// <summary>PRD-001: Create ProductType request body.</summary>
+public sealed record CreateProductTypeRequest(
+    string? Nombre,
+    bool HasDuration = false,
+    bool RequiresText = false,
+    bool RequiresCategory = false,
+    bool IsBundle = false,
+    bool AllowImages = false,
+    int? MaxImages = null,
+    decimal? MaxImageSizeMB = null,
+    int? MaxImageWidth = null,
+    int? MaxImageHeight = null);
+
+/// <summary>PRD-001: Update ProductType request body.</summary>
+public sealed record UpdateProductTypeRequest(
+    string? Nombre,
+    bool HasDuration = false,
+    bool RequiresText = false,
+    bool RequiresCategory = false,
+    bool IsBundle = false,
+    bool AllowImages = false,
+    int? MaxImages = null,
+    decimal? MaxImageSizeMB = null,
+    int? MaxImageWidth = null,
+    int? MaxImageHeight = null);
diff --git a/src/api/SIGCM2.Api/Filters/ExceptionFilter.cs b/src/api/SIGCM2.Api/Filters/ExceptionFilter.cs
index e936231..b40f2d3 100644
--- a/src/api/SIGCM2.Api/Filters/ExceptionFilter.cs
+++ b/src/api/SIGCM2.Api/Filters/ExceptionFilter.cs
@@ -414,6 +414,55 @@ public sealed class ExceptionFilter : IExceptionFilter
                 context.ExceptionHandled = true;
                 break;
 
+            // PRD-001: ProductType exceptions
+            case ProductTypeNotFoundException productTypeNotFoundEx:
+                context.Result = new ObjectResult(new
+                {
+                    error = "product_type_not_found",
+                    message = productTypeNotFoundEx.Message
+                })
+                {
+                    StatusCode = StatusCodes.Status404NotFound
+                };
+                context.ExceptionHandled = true;
+                break;
+
+            case ProductTypeNombreDuplicadoException productTypeDupEx:
+                context.Result = new ObjectResult(new
+                {
+                    error = "product_type_nombre_duplicado",
+                    message = productTypeDupEx.Message
+                })
+                {
+                    StatusCode = StatusCodes.Status409Conflict
+                };
+                context.ExceptionHandled = true;
+                break;
+
+            case ProductTypeEnUsoException productTypeEnUsoEx:
+                context.Result = new ObjectResult(new
+                {
+                    error = "product_type_en_uso",
+                    message = productTypeEnUsoEx.Message
+                })
+                {
+                    StatusCode = StatusCodes.Status409Conflict
+                };
+                context.ExceptionHandled = true;
+                break;
+
+            case ProductTypeFlagsIncoherentesException productTypeFlagsEx:
+                context.Result = new ObjectResult(new
+                {
+                    error = "product_type_flags_incoherentes",
+                    message = productTypeFlagsEx.Message
+                })
+                {
+                    StatusCode = StatusCodes.Status422UnprocessableEntity
+                };
+                context.ExceptionHandled = true;
+                break;
+
             // ADM-008: PuntoDeVenta exceptions
             case PuntoDeVentaNotFoundException puntoDeVentaNotFoundEx:
                 context.Result = new ObjectResult(new
diff --git a/src/api/SIGCM2.Application/Abstractions/Persistence/IProductQueryRepository.cs b/src/api/SIGCM2.Application/Abstractions/Persistence/IProductQueryRepository.cs
new file mode 100644
index 0000000..e4418ba
--- /dev/null
+++ b/src/api/SIGCM2.Application/Abstractions/Persistence/IProductQueryRepository.cs
@@ -0,0 +1,15 @@
+namespace SIGCM2.Application.Abstractions.Persistence;
+
+/// <summary>
+/// PRD-002 handoff contract — query-only access to Product data needed by ProductType handlers.
+/// PRD-001 binds to NullProductQueryRepository (always returns false).
+/// PRD-002 binds to Dapper impl against dbo.Product (when that table exists).
+/// </summary>
+public interface IProductQueryRepository
+{
+    /// <summary>
+    /// Returns true if at least one active Product with the given ProductTypeId exists.
+    /// Used by DeactivateProductTypeCommandHandler to guard against orphaning active products.
+    /// </summary>
+    Task<bool> ExistsActiveByProductTypeAsync(int productTypeId, CancellationToken ct = default);
+}
diff --git a/src/api/SIGCM2.Application/Abstractions/Persistence/IProductTypeRepository.cs b/src/api/SIGCM2.Application/Abstractions/Persistence/IProductTypeRepository.cs
new file mode 100644
index 0000000..77b4e33
--- /dev/null
+++ b/src/api/SIGCM2.Application/Abstractions/Persistence/IProductTypeRepository.cs
@@ -0,0 +1,31 @@
+using SIGCM2.Application.Common;
+using SIGCM2.Domain.Entities;
+
+namespace SIGCM2.Application.Abstractions.Persistence;
+
+/// <summary>
+/// Write-side repository for ProductType.
+/// All reads needed by write handlers are included here.
+/// Query-side (for listing, filtering) uses GetPagedAsync with ProductTypesQuery.
+/// </summary>
+public interface IProductTypeRepository
+{
+    /// <summary>Inserts a new ProductType and returns the DB-assigned Id.</summary>
+    Task<int> AddAsync(ProductType productType, CancellationToken ct = default);
+
+    /// <summary>Returns the ProductType with the given Id, or null if not found.</summary>
+    Task<ProductType?> GetByIdAsync(int id, CancellationToken ct = default);
+
+    /// <summary>Returns a paged result of ProductTypes matching the query.</summary>
+    Task<PagedResult<ProductType>> GetPagedAsync(ProductTypesQuery query, CancellationToken ct = default);
+
+    /// <summary>Persists all changes to an existing ProductType row.</summary>
+    Task UpdateAsync(ProductType productType, CancellationToken ct = default);
+
+    /// <summary>
+    /// Returns true if an active ProductType with the given nombre exists.
+    /// Pass excludeId to skip the self-comparison during rename (update scenario).
+    /// Case-insensitive — delegates to DB collation (SQL_Latin1_General_CP1_CI_AI).
+    /// </summary>
+    Task<bool> ExistsByNombreAsync(string nombre, int? excludeId = null, CancellationToken ct = default);
+}
diff --git a/src/api/SIGCM2.Application/Common/ProductTypesQuery.cs b/src/api/SIGCM2.Application/Common/ProductTypesQuery.cs
new file mode 100644
index 0000000..1659f13
--- /dev/null
+++ b/src/api/SIGCM2.Application/Common/ProductTypesQuery.cs
@@ -0,0 +1,10 @@
+namespace SIGCM2.Application.Common;
+
+/// <summary>
+/// Query parameters for listing ProductTypes (used by IProductTypeRepository.GetPagedAsync).
+/// </summary>
+public sealed record ProductTypesQuery(
+    int Page = 1,
+    int PageSize = 20,
+    bool? Activo = true,
+    string? Search = null);
diff --git a/src/api/SIGCM2.Application/DependencyInjection.cs b/src/api/SIGCM2.Application/DependencyInjection.cs
index 2b10fbb..49bd760 100644
--- a/src/api/SIGCM2.Application/DependencyInjection.cs
+++ b/src/api/SIGCM2.Application/DependencyInjection.cs
@@ -69,6 +69,12 @@ using SIGCM2.Application.Rubros.GetById;
 using SIGCM2.Application.Rubros.Dtos;
 using SIGCM2.Application.Abstractions.Persistence;
 using SIGCM2.Application.Avisos;
+using SIGCM2.Application.Products;
+using SIGCM2.Application.ProductTypes.Create;
+using SIGCM2.Application.ProductTypes.Update;
+using SIGCM2.Application.ProductTypes.Deactivate;
+using SIGCM2.Application.ProductTypes.List;
+using SIGCM2.Application.ProductTypes.GetById;
 
 namespace SIGCM2.Application;
 
@@ -165,6 +171,16 @@ public static class DependencyInjection
         services.AddScoped<ICommandHandler<GetRubroTreeQuery, IReadOnlyList<RubroTreeNodeDto>>, GetRubroTreeQueryHandler>();
         services.AddScoped<ICommandHandler<GetRubroByIdQuery, RubroDetailDto>, GetRubroByIdQueryHandler>();
 
+        // ProductTypes (PRD-001)
+        // PRD-002 reemplaza IProductQueryRepository con implementación Dapper contra dbo.Product.
+        services.AddScoped<IProductQueryRepository, NullProductQueryRepository>();
+
+        services.AddScoped<ICommandHandler<CreateProductTypeCommand, ProductTypeCreatedDto>, CreateProductTypeCommandHandler>();
+        services.AddScoped<ICommandHandler<UpdateProductTypeCommand, ProductTypeUpdatedDto>, UpdateProductTypeCommandHandler>();
+        services.AddScoped<ICommandHandler<DeactivateProductTypeCommand, ProductTypeStatusDto>, DeactivateProductTypeCommandHandler>();
+        services.AddScoped<ICommandHandler<ListProductTypesQuery, PagedResult<ProductTypeListItemDto>>, ListProductTypesQueryHandler>();
+        services.AddScoped<ICommandHandler<GetProductTypeByIdQuery, ProductTypeDetailDto>, GetProductTypeByIdQueryHandler>();
+
         // FluentValidation validators (scans entire Application assembly)
         services.AddValidatorsFromAssemblyContaining<LoginCommandValidator>();
 
diff --git a/src/api/SIGCM2.Application/ProductTypes/Create/CreateProductTypeCommand.cs b/src/api/SIGCM2.Application/ProductTypes/Create/CreateProductTypeCommand.cs
new file mode 100644
index 0000000..dfb1c23
--- /dev/null
+++ b/src/api/SIGCM2.Application/ProductTypes/Create/CreateProductTypeCommand.cs
@@ -0,0 +1,13 @@
+namespace SIGCM2.Application.ProductTypes.Create;
+
+public sealed record CreateProductTypeCommand(
+    string Nombre,
+    bool HasDuration,
+    bool RequiresText,
+    bool RequiresCategory,
+    bool IsBundle,
+    bool AllowImages,
+    int? MaxImages,
+    decimal? MaxImageSizeMB,
+    int? MaxImageWidth,
+    int? MaxImageHeight);
diff --git a/src/api/SIGCM2.Application/ProductTypes/Create/CreateProductTypeCommandHandler.cs b/src/api/SIGCM2.Application/ProductTypes/Create/CreateProductTypeCommandHandler.cs
new file mode 100644
index 0000000..23c5d1c
--- /dev/null
+++ b/src/api/SIGCM2.Application/ProductTypes/Create/CreateProductTypeCommandHandler.cs
@@ -0,0 +1,80 @@
+using System.Transactions;
+using SIGCM2.Application.Abstractions;
+using SIGCM2.Application.Abstractions.Persistence;
+using SIGCM2.Application.Audit;
+using SIGCM2.Domain.Entities;
+using SIGCM2.Domain.Exceptions;
+
+namespace SIGCM2.Application.ProductTypes.Create;
+
+public sealed class CreateProductTypeCommandHandler
+    : ICommandHandler<CreateProductTypeCommand, ProductTypeCreatedDto>
+{
+    private readonly IProductTypeRepository _repo;
+    private readonly IAuditLogger _audit;
+    private readonly TimeProvider _timeProvider;
+
+    public CreateProductTypeCommandHandler(
+        IProductTypeRepository repo,
+        IAuditLogger audit,
+        TimeProvider timeProvider)
+    {
+        _repo = repo;
+        _audit = audit;
+        _timeProvider = timeProvider;
+    }
+
+    public async Task<ProductTypeCreatedDto> Handle(CreateProductTypeCommand command)
+    {
+        // 1. Duplicate name check (before factory — avoids wasting domain allocation on error)
+        var exists = await _repo.ExistsByNombreAsync(command.Nombre, excludeId: null);
+        if (exists)
+            throw new ProductTypeNombreDuplicadoException(command.Nombre);
+
+        // 2. Build entity (factory normalizes multimedia if AllowImages=false)
+        var entity = ProductType.ForCreation(
+            command.Nombre,
+            command.HasDuration, command.RequiresText, command.RequiresCategory, command.IsBundle,
+            command.AllowImages,
+            command.MaxImages, command.MaxImageSizeMB, command.MaxImageWidth, command.MaxImageHeight,
+            _timeProvider);
+
+        // 3. Persist + audit (fail-closed: if audit throws, TX rolls back)
+        using var tx = new TransactionScope(
+            TransactionScopeOption.Required,
+            new TransactionOptions { IsolationLevel = System.Transactions.IsolationLevel.ReadCommitted },
+            TransactionScopeAsyncFlowOption.Enabled);
+
+        var newId = await _repo.AddAsync(entity);
+
+        await _audit.LogAsync(
+            action: "producto_tipo.created",
+            targetType: "ProductType",
+            targetId: newId.ToString(),
+            metadata: new
+            {
+                after = new
+                {
+                    entity.Nombre,
+                    entity.HasDuration,
+                    entity.RequiresText,
+                    entity.RequiresCategory,
+                    entity.IsBundle,
+                    entity.AllowImages,
+                    entity.MaxImages,
+                    entity.MaxImageSizeMB,
+                    entity.MaxImageWidth,
+                    entity.MaxImageHeight,
+                }
+            });
+
+        tx.Complete();
+
+        return new ProductTypeCreatedDto(
+            newId, entity.Nombre,
+            entity.HasDuration, entity.RequiresText, entity.RequiresCategory, entity.IsBundle,
+            entity.AllowImages,
+            entity.MaxImages, entity.MaxImageSizeMB, entity.MaxImageWidth, entity.MaxImageHeight,
+            entity.IsActive);
+    }
+}
diff --git a/src/api/SIGCM2.Application/ProductTypes/Create/CreateProductTypeCommandValidator.cs b/src/api/SIGCM2.Application/ProductTypes/Create/CreateProductTypeCommandValidator.cs
new file mode 100644
index 0000000..0c4315d
--- /dev/null
+++ b/src/api/SIGCM2.Application/ProductTypes/Create/CreateProductTypeCommandValidator.cs
@@ -0,0 +1,29 @@
+using FluentValidation;
+
+namespace SIGCM2.Application.ProductTypes.Create;
+
+public sealed class CreateProductTypeCommandValidator : AbstractValidator<CreateProductTypeCommand>
+{
+    public CreateProductTypeCommandValidator()
+    {
+        RuleFor(x => x.Nombre)
+            .NotEmpty().WithMessage("El nombre del tipo de producto es requerido.")
+            .MaximumLength(200).WithMessage("El nombre no puede superar los 200 caracteres.");
+
+        RuleFor(x => x.MaxImages)
+            .GreaterThan(0).When(x => x.MaxImages.HasValue)
+            .WithMessage("MaxImages debe ser mayor que 0 (o null para sin límite).");
+
+        RuleFor(x => x.MaxImageSizeMB)
+            .GreaterThan(0).When(x => x.MaxImageSizeMB.HasValue)
+            .WithMessage("MaxImageSizeMB debe ser mayor que 0 (o null para sin límite).");
+
+        RuleFor(x => x.MaxImageWidth)
+            .GreaterThan(0).When(x => x.MaxImageWidth.HasValue)
+            .WithMessage("MaxImageWidth debe ser mayor que 0 (o null para sin límite).");
+
+        RuleFor(x => x.MaxImageHeight)
+            .GreaterThan(0).When(x => x.MaxImageHeight.HasValue)
+            .WithMessage("MaxImageHeight debe ser mayor que 0 (o null para sin límite).");
+    }
+}
diff --git a/src/api/SIGCM2.Application/ProductTypes/Create/ProductTypeCreatedDto.cs b/src/api/SIGCM2.Application/ProductTypes/Create/ProductTypeCreatedDto.cs
new file mode 100644
index 0000000..53a0fc9
--- /dev/null
+++ b/src/api/SIGCM2.Application/ProductTypes/Create/ProductTypeCreatedDto.cs
@@ -0,0 +1,15 @@
+namespace SIGCM2.Application.ProductTypes.Create;
+
+public sealed record ProductTypeCreatedDto(
+    int Id,
+    string Nombre,
+    bool HasDuration,
+    bool RequiresText,
+    bool RequiresCategory,
+    bool IsBundle,
+    bool AllowImages,
+    int? MaxImages,
+    decimal? MaxImageSizeMB,
+    int? MaxImageWidth,
+    int? MaxImageHeight,
+    bool IsActive);
diff --git a/src/api/SIGCM2.Application/ProductTypes/Deactivate/DeactivateProductTypeCommand.cs b/src/api/SIGCM2.Application/ProductTypes/Deactivate/DeactivateProductTypeCommand.cs
new file mode 100644
index 0000000..d60fc33
--- /dev/null
+++ b/src/api/SIGCM2.Application/ProductTypes/Deactivate/DeactivateProductTypeCommand.cs
@@ -0,0 +1,3 @@
+namespace SIGCM2.Application.ProductTypes.Deactivate;
+
+public sealed record DeactivateProductTypeCommand(int Id);
diff --git a/src/api/SIGCM2.Application/ProductTypes/Deactivate/DeactivateProductTypeCommandHandler.cs b/src/api/SIGCM2.Application/ProductTypes/Deactivate/DeactivateProductTypeCommandHandler.cs
new file mode 100644
index 0000000..66c4781
--- /dev/null
+++ b/src/api/SIGCM2.Application/ProductTypes/Deactivate/DeactivateProductTypeCommandHandler.cs
@@ -0,0 +1,72 @@
+using System.Transactions;
+using SIGCM2.Application.Abstractions;
+using SIGCM2.Application.Abstractions.Persistence;
+using SIGCM2.Application.Audit;
+using SIGCM2.Domain.Entities;
+using SIGCM2.Domain.Exceptions;
+
+namespace SIGCM2.Application.ProductTypes.Deactivate;
+
+public sealed class DeactivateProductTypeCommandHandler
+    : ICommandHandler<DeactivateProductTypeCommand, ProductTypeStatusDto>
+{
+    private readonly IProductTypeRepository _repo;
+    private readonly IProductQueryRepository _productQuery;
+    private readonly IAuditLogger _audit;
+    private readonly TimeProvider _timeProvider;
+
+    public DeactivateProductTypeCommandHandler(
+        IProductTypeRepository repo,
+        IProductQueryRepository productQuery,
+        IAuditLogger audit,
+        TimeProvider timeProvider)
+    {
+        _repo = repo;
+        _productQuery = productQuery;
+        _audit = audit;
+        _timeProvider = timeProvider;
+    }
+
+    public async Task<ProductTypeStatusDto> Handle(DeactivateProductTypeCommand command)
+    {
+        // 1. Load entity
+        var target = await _repo.GetByIdAsync(command.Id)
+            ?? throw new ProductTypeNotFoundException(command.Id);
+
+        // 2. Idempotent: already inactive → return without side effects (I7)
+        if (!target.IsActive)
+            return new ProductTypeStatusDto(command.Id, false);
+
+        // 3. Guard: check if any active product uses this type (guard before audit — ordering matters)
+        var inUse = await _productQuery.ExistsActiveByProductTypeAsync(command.Id);
+        if (inUse)
+            throw new ProductTypeEnUsoException(command.Id, productsActivos: -1);
+        // Note: count=-1 sentinel because Products table doesn't exist in PRD-001.
+        // PRD-002 will update this with the actual count.
+
+        // 4. Deactivate (immutable — returns new instance)
+        var deactivated = target.WithDeactivated(_timeProvider);
+
+        // 5. Persist + audit (fail-closed)
+        using var tx = new TransactionScope(
+            TransactionScopeOption.Required,
+            new TransactionOptions { IsolationLevel = System.Transactions.IsolationLevel.ReadCommitted },
+            TransactionScopeAsyncFlowOption.Enabled);
+
+        await _repo.UpdateAsync(deactivated);
+
+        await _audit.LogAsync(
+            action: "producto_tipo.deactivated",
+            targetType: "ProductType",
+            targetId: command.Id.ToString(),
+            metadata: new
+            {
+                productTypeId = command.Id,
+                nombre = target.Nombre,
+            });
+
+        tx.Complete();
+
+        return new ProductTypeStatusDto(deactivated.Id, deactivated.IsActive);
+    }
+}
diff --git a/src/api/SIGCM2.Application/ProductTypes/Deactivate/ProductTypeStatusDto.cs b/src/api/SIGCM2.Application/ProductTypes/Deactivate/ProductTypeStatusDto.cs
new file mode 100644
index 0000000..6abfb6a
--- /dev/null
+++ b/src/api/SIGCM2.Application/ProductTypes/Deactivate/ProductTypeStatusDto.cs
@@ -0,0 +1,3 @@
+namespace SIGCM2.Application.ProductTypes.Deactivate;
+
+public sealed record ProductTypeStatusDto(int Id, bool IsActive);
diff --git a/src/api/SIGCM2.Application/ProductTypes/GetById/GetProductTypeByIdQuery.cs b/src/api/SIGCM2.Application/ProductTypes/GetById/GetProductTypeByIdQuery.cs
new file mode 100644
index 0000000..f24f204
--- /dev/null
+++ b/src/api/SIGCM2.Application/ProductTypes/GetById/GetProductTypeByIdQuery.cs
@@ -0,0 +1,3 @@
+namespace SIGCM2.Application.ProductTypes.GetById;
+
+public sealed record GetProductTypeByIdQuery(int Id);
diff --git a/src/api/SIGCM2.Application/ProductTypes/GetById/GetProductTypeByIdQueryHandler.cs b/src/api/SIGCM2.Application/ProductTypes/GetById/GetProductTypeByIdQueryHandler.cs
new file mode 100644
index 0000000..27b52e9
--- /dev/null
+++ b/src/api/SIGCM2.Application/ProductTypes/GetById/GetProductTypeByIdQueryHandler.cs
@@ -0,0 +1,30 @@
+using SIGCM2.Application.Abstractions;
+using SIGCM2.Application.Abstractions.Persistence;
+using SIGCM2.Domain.Exceptions;
+
+namespace SIGCM2.Application.ProductTypes.GetById;
+
+public sealed class GetProductTypeByIdQueryHandler
+    : ICommandHandler<GetProductTypeByIdQuery, ProductTypeDetailDto>
+{
+    private readonly IProductTypeRepository _repo;
+
+    public GetProductTypeByIdQueryHandler(IProductTypeRepository repo)
+    {
+        _repo = repo;
+    }
+
+    public async Task<ProductTypeDetailDto> Handle(GetProductTypeByIdQuery query)
+    {
+        var pt = await _repo.GetByIdAsync(query.Id)
+            ?? throw new ProductTypeNotFoundException(query.Id);
+
+        return new ProductTypeDetailDto(
+            pt.Id, pt.Nombre,
+            pt.HasDuration, pt.RequiresText, pt.RequiresCategory, pt.IsBundle,
+            pt.AllowImages,
+            pt.MaxImages, pt.MaxImageSizeMB, pt.MaxImageWidth, pt.MaxImageHeight,
+            pt.IsActive,
+            pt.FechaCreacion, pt.FechaModificacion);
+    }
+}
diff --git a/src/api/SIGCM2.Application/ProductTypes/GetById/ProductTypeDetailDto.cs b/src/api/SIGCM2.Application/ProductTypes/GetById/ProductTypeDetailDto.cs
new file mode 100644
index 0000000..52cafc2
--- /dev/null
+++ b/src/api/SIGCM2.Application/ProductTypes/GetById/ProductTypeDetailDto.cs
@@ -0,0 +1,17 @@
+namespace SIGCM2.Application.ProductTypes.GetById;
+
+public sealed record ProductTypeDetailDto(
+    int Id,
+    string Nombre,
+    bool HasDuration,
+    bool RequiresText,
+    bool RequiresCategory,
+    bool IsBundle,
+    bool AllowImages,
+    int? MaxImages,
+    decimal? MaxImageSizeMB,
+    int? MaxImageWidth,
+    int? MaxImageHeight,
+    bool IsActive,
+    DateTime FechaCreacion,
+    DateTime? FechaModificacion);
diff --git a/src/api/SIGCM2.Application/ProductTypes/List/ListProductTypesQuery.cs b/src/api/SIGCM2.Application/ProductTypes/List/ListProductTypesQuery.cs
new file mode 100644
index 0000000..bc4db25
--- /dev/null
+++ b/src/api/SIGCM2.Application/ProductTypes/List/ListProductTypesQuery.cs
@@ -0,0 +1,7 @@
+namespace SIGCM2.Application.ProductTypes.List;
+
+public sealed record ListProductTypesQuery(
+    int Page = 1,
+    int PageSize = 20,
+    bool? Activo = true,
+    string? Search = null);
diff --git a/src/api/SIGCM2.Application/ProductTypes/List/ListProductTypesQueryHandler.cs b/src/api/SIGCM2.Application/ProductTypes/List/ListProductTypesQueryHandler.cs
new file mode 100644
index 0000000..585b8eb
--- /dev/null
+++ b/src/api/SIGCM2.Application/ProductTypes/List/ListProductTypesQueryHandler.cs
@@ -0,0 +1,32 @@
+using SIGCM2.Application.Abstractions;
+using SIGCM2.Application.Abstractions.Persistence;
+using SIGCM2.Application.Common;
+
+namespace SIGCM2.Application.ProductTypes.List;
+
+public sealed class ListProductTypesQueryHandler
+    : ICommandHandler<ListProductTypesQuery, PagedResult<ProductTypeListItemDto>>
+{
+    private readonly IProductTypeRepository _repo;
+
+    public ListProductTypesQueryHandler(IProductTypeRepository repo)
+    {
+        _repo = repo;
+    }
+
+    public async Task<PagedResult<ProductTypeListItemDto>> Handle(ListProductTypesQuery query)
+    {
+        var page = Math.Max(1, query.Page);
+        var pageSize = Math.Clamp(query.PageSize, 1, 100);
+
+        var repoQuery = new ProductTypesQuery(page, pageSize, query.Activo, query.Search);
+        var paged = await _repo.GetPagedAsync(repoQuery);
+
+        var items = paged.Items.Select(p => new ProductTypeListItemDto(
+            p.Id, p.Nombre,
+            p.HasDuration, p.RequiresText, p.RequiresCategory, p.IsBundle,
+            p.AllowImages, p.IsActive)).ToList();
+
+        return new PagedResult<ProductTypeListItemDto>(items, paged.Page, paged.PageSize, paged.Total);
+    }
+}
diff --git a/src/api/SIGCM2.Application/ProductTypes/List/ProductTypeListItemDto.cs b/src/api/SIGCM2.Application/ProductTypes/List/ProductTypeListItemDto.cs
new file mode 100644
index 0000000..083df94
--- /dev/null
+++ b/src/api/SIGCM2.Application/ProductTypes/List/ProductTypeListItemDto.cs
@@ -0,0 +1,11 @@
+namespace SIGCM2.Application.ProductTypes.List;
+
+public sealed record ProductTypeListItemDto(
+    int Id,
+    string Nombre,
+    bool HasDuration,
+    bool RequiresText,
+    bool RequiresCategory,
+    bool IsBundle,
+    bool AllowImages,
+    bool IsActive);
diff --git a/src/api/SIGCM2.Application/ProductTypes/Update/ProductTypeUpdatedDto.cs b/src/api/SIGCM2.Application/ProductTypes/Update/ProductTypeUpdatedDto.cs
new file mode 100644
index 0000000..004878b
--- /dev/null
+++ b/src/api/SIGCM2.Application/ProductTypes/Update/ProductTypeUpdatedDto.cs
@@ -0,0 +1,16 @@
+namespace SIGCM2.Application.ProductTypes.Update;
+
+public sealed record ProductTypeUpdatedDto(
+    int Id,
+    string Nombre,
+    bool HasDuration,
+    bool RequiresText,
+    bool RequiresCategory,
+    bool IsBundle,
+    bool AllowImages,
+    int? MaxImages,
+    decimal? MaxImageSizeMB,
+    int? MaxImageWidth,
+    int? MaxImageHeight,
+    bool IsActive,
+    DateTime? FechaModificacion);
diff --git a/src/api/SIGCM2.Application/ProductTypes/Update/UpdateProductTypeCommand.cs b/src/api/SIGCM2.Application/ProductTypes/Update/UpdateProductTypeCommand.cs
new file mode 100644
index 0000000..990b7c9
--- /dev/null
+++ b/src/api/SIGCM2.Application/ProductTypes/Update/UpdateProductTypeCommand.cs
@@ -0,0 +1,14 @@
+namespace SIGCM2.Application.ProductTypes.Update;
+
+public sealed record UpdateProductTypeCommand(
+    int Id,
+    string Nombre,
+    bool HasDuration,
+    bool RequiresText,
+    bool RequiresCategory,
+    bool IsBundle,
+    bool AllowImages,
+    int? MaxImages,
+    decimal? MaxImageSizeMB,
+    int? MaxImageWidth,
+    int? MaxImageHeight);
diff --git a/src/api/SIGCM2.Application/ProductTypes/Update/UpdateProductTypeCommandHandler.cs b/src/api/SIGCM2.Application/ProductTypes/Update/UpdateProductTypeCommandHandler.cs
new file mode 100644
index 0000000..d2d6745
--- /dev/null
+++ b/src/api/SIGCM2.Application/ProductTypes/Update/UpdateProductTypeCommandHandler.cs
@@ -0,0 +1,74 @@
+using System.Transactions;
+using SIGCM2.Application.Abstractions;
+using SIGCM2.Application.Abstractions.Persistence;
+using SIGCM2.Application.Audit;
+using SIGCM2.Domain.Entities;
+using SIGCM2.Domain.Exceptions;
+
+namespace SIGCM2.Application.ProductTypes.Update;
+
+public sealed class UpdateProductTypeCommandHandler
+    : ICommandHandler<UpdateProductTypeCommand, ProductTypeUpdatedDto>
+{
+    private readonly IProductTypeRepository _repo;
+    private readonly IAuditLogger _audit;
+    private readonly TimeProvider _timeProvider;
+
+    public UpdateProductTypeCommandHandler(
+        IProductTypeRepository repo,
+        IAuditLogger audit,
+        TimeProvider timeProvider)
+    {
+        _repo = repo;
+        _audit = audit;
+        _timeProvider = timeProvider;
+    }
+
+    public async Task<ProductTypeUpdatedDto> Handle(UpdateProductTypeCommand command)
+    {
+        // 1. Load entity (throws if not found)
+        var target = await _repo.GetByIdAsync(command.Id)
+            ?? throw new ProductTypeNotFoundException(command.Id);
+
+        // 2. If nombre changed, check for duplicate (skip call when same name — optimization)
+        if (!string.Equals(command.Nombre, target.Nombre, StringComparison.OrdinalIgnoreCase))
+        {
+            var duplicateExists = await _repo.ExistsByNombreAsync(command.Nombre, excludeId: command.Id);
+            if (duplicateExists)
+                throw new ProductTypeNombreDuplicadoException(command.Nombre);
+        }
+
+        // 3. Build updated entity via With* methods (immutable, each returns new instance)
+        var updated = target
+            .WithRenamed(command.Nombre, _timeProvider)
+            .WithUpdatedFlags(command.HasDuration, command.RequiresText, command.RequiresCategory, command.IsBundle, _timeProvider)
+            .WithUpdatedMultimedia(command.AllowImages, command.MaxImages, command.MaxImageSizeMB, command.MaxImageWidth, command.MaxImageHeight, _timeProvider);
+
+        // 4. Persist + audit (fail-closed)
+        using var tx = new TransactionScope(
+            TransactionScopeOption.Required,
+            new TransactionOptions { IsolationLevel = System.Transactions.IsolationLevel.ReadCommitted },
+            TransactionScopeAsyncFlowOption.Enabled);
+
+        await _repo.UpdateAsync(updated);
+
+        await _audit.LogAsync(
+            action: "producto_tipo.updated",
+            targetType: "ProductType",
+            targetId: command.Id.ToString(),
+            metadata: new
+            {
+                before = new { target.Nombre, target.HasDuration, target.RequiresText, target.RequiresCategory, target.IsBundle, target.AllowImages },
+                after = new { updated.Nombre, updated.HasDuration, updated.RequiresText, updated.RequiresCategory, updated.IsBundle, updated.AllowImages }
+            });
+
+        tx.Complete();
+
+        return new ProductTypeUpdatedDto(
+            updated.Id, updated.Nombre,
+            updated.HasDuration, updated.RequiresText, updated.RequiresCategory, updated.IsBundle,
+            updated.AllowImages,
+            updated.MaxImages, updated.MaxImageSizeMB, updated.MaxImageWidth, updated.MaxImageHeight,
+            updated.IsActive, updated.FechaModificacion);
+    }
+}
diff --git a/src/api/SIGCM2.Application/ProductTypes/Update/UpdateProductTypeCommandValidator.cs b/src/api/SIGCM2.Application/ProductTypes/Update/UpdateProductTypeCommandValidator.cs
new file mode 100644
index 0000000..1ce8b9a
--- /dev/null
+++ b/src/api/SIGCM2.Application/ProductTypes/Update/UpdateProductTypeCommandValidator.cs
@@ -0,0 +1,32 @@
+using FluentValidation;
+
+namespace SIGCM2.Application.ProductTypes.Update;
+
+public sealed class UpdateProductTypeCommandValidator : AbstractValidator<UpdateProductTypeCommand>
+{
+    public UpdateProductTypeCommandValidator()
+    {
+        RuleFor(x => x.Id)
+            .GreaterThan(0).WithMessage("El Id debe ser un entero positivo.");
+
+        RuleFor(x => x.Nombre)
+            .NotEmpty().WithMessage("El nombre del tipo de producto es requerido.")
+            .MaximumLength(200).WithMessage("El nombre no puede superar los 200 caracteres.");
+
+        RuleFor(x => x.MaxImages)
+            .GreaterThan(0).When(x => x.MaxImages.HasValue)
+            .WithMessage("MaxImages debe ser mayor que 0 (o null para sin límite).");
+
+        RuleFor(x => x.MaxImageSizeMB)
+            .GreaterThan(0).When(x => x.MaxImageSizeMB.HasValue)
+            .WithMessage("MaxImageSizeMB debe ser mayor que 0 (o null para sin límite).");
+
+        RuleFor(x => x.MaxImageWidth)
+            .GreaterThan(0).When(x => x.MaxImageWidth.HasValue)
+            .WithMessage("MaxImageWidth debe ser mayor que 0 (o null para sin límite).");
+
+        RuleFor(x => x.MaxImageHeight)
+            .GreaterThan(0).When(x => x.MaxImageHeight.HasValue)
+            .WithMessage("MaxImageHeight debe ser mayor que 0 (o null para sin límite).");
+    }
+}
diff --git a/src/api/SIGCM2.Application/Products/NullProductQueryRepository.cs b/src/api/SIGCM2.Application/Products/NullProductQueryRepository.cs
new file mode 100644
index 0000000..0f9b509
--- /dev/null
+++ b/src/api/SIGCM2.Application/Products/NullProductQueryRepository.cs
@@ -0,0 +1,14 @@
+using SIGCM2.Application.Abstractions.Persistence;
+
+namespace SIGCM2.Application.Products;
+
+/// <summary>
+/// STUB — PRD-002 replaces the DI binding with a real Dapper impl against dbo.Product.
+/// Returns false for all queries so DeactivateProductTypeCommandHandler guard always passes.
+/// This is intentional for PRD-001: the mechanism is installed; the data feed arrives in PRD-002.
+/// </summary>
+public sealed class NullProductQueryRepository : IProductQueryRepository
+{
+    public Task<bool> ExistsActiveByProductTypeAsync(int productTypeId, CancellationToken ct = default)
+        => Task.FromResult(false);
+}
diff --git a/src/api/SIGCM2.Domain/Entities/ProductType.cs b/src/api/SIGCM2.Domain/Entities/ProductType.cs
new file mode 100644
index 0000000..ea3de1a
--- /dev/null
+++ b/src/api/SIGCM2.Domain/Entities/ProductType.cs
@@ -0,0 +1,186 @@
+namespace SIGCM2.Domain.Entities;
+
+/// <summary>
+/// Immutable product-type descriptor for the commercial catalog.
+/// Flags drive form behavior (HasDuration, RequiresText, RequiresCategory, IsBundle).
+/// Multimedia limits (Max*) are null = no limit.
+/// Invariant: if AllowImages == false, the 4 Max* fields must be null
+/// (enforced by ForCreation and WithUpdatedMultimedia).
+/// </summary>
+public sealed class ProductType
+{
+    private const int NombreMaxLength = 200;
+
+    public int Id { get; }
+    public string Nombre { get; }
+    public bool HasDuration { get; }
+    public bool RequiresText { get; }
+    public bool RequiresCategory { get; }
+    public bool IsBundle { get; }
+    public bool AllowImages { get; }
+    public int? MaxImages { get; }
+    public decimal? MaxImageSizeMB { get; }
+    public int? MaxImageWidth { get; }
+    public int? MaxImageHeight { get; }
+    public bool IsActive { get; }
+    public DateTime FechaCreacion { get; }
+    public DateTime? FechaModificacion { get; }
+
+    /// <summary>
+    /// Full hydration constructor — used by the repository to reconstruct from DB rows.
+    /// </summary>
+    public ProductType(
+        int id,
+        string nombre,
+        bool hasDuration,
+        bool requiresText,
+        bool requiresCategory,
+        bool isBundle,
+        bool allowImages,
+        int? maxImages,
+        decimal? maxImageSizeMB,
+        int? maxImageWidth,
+        int? maxImageHeight,
+        bool isActive,
+        DateTime fechaCreacion,
+        DateTime? fechaModificacion)
+    {
+        Id = id;
+        Nombre = nombre;
+        HasDuration = hasDuration;
+        RequiresText = requiresText;
+        RequiresCategory = requiresCategory;
+        IsBundle = isBundle;
+        AllowImages = allowImages;
+        MaxImages = maxImages;
+        MaxImageSizeMB = maxImageSizeMB;
+        MaxImageWidth = maxImageWidth;
+        MaxImageHeight = maxImageHeight;
+        IsActive = isActive;
+        FechaCreacion = fechaCreacion;
+        FechaModificacion = fechaModificacion;
+    }
+
+    /// <summary>
+    /// Factory for creating a new ProductType.
+    /// Id=0 — DB assigns via IDENTITY.
+    /// IsActive=true, FechaModificacion=null by default.
+    /// AllowImages=false normalizes all 4 Max* fields to null.
+    /// </summary>
+    public static ProductType ForCreation(
+        string nombre,
+        bool hasDuration,
+        bool requiresText,
+        bool requiresCategory,
+        bool isBundle,
+        bool allowImages,
+        int? maxImages,
+        decimal? maxImageSizeMB,
+        int? maxImageWidth,
+        int? maxImageHeight,
+        TimeProvider timeProvider)
+    {
+        ValidateNombre(nombre);
+
+        var (mi, ms, mw, mh) = NormalizeMultimedia(allowImages, maxImages, maxImageSizeMB, maxImageWidth, maxImageHeight);
+
+        return new ProductType(
+            id: 0,
+            nombre: nombre,
+            hasDuration: hasDuration,
+            requiresText: requiresText,
+            requiresCategory: requiresCategory,
+            isBundle: isBundle,
+            allowImages: allowImages,
+            maxImages: mi,
+            maxImageSizeMB: ms,
+            maxImageWidth: mw,
+            maxImageHeight: mh,
+            isActive: true,
+            fechaCreacion: timeProvider.GetUtcNow().UtcDateTime,
+            fechaModificacion: null);
+    }
+
+    /// <summary>
+    /// Returns a new ProductType with an updated Nombre and FechaModificacion.
+    /// Does NOT mutate the current instance.
+    /// </summary>
+    public ProductType WithRenamed(string nuevoNombre, TimeProvider timeProvider)
+    {
+        ValidateNombre(nuevoNombre);
+
+        return new ProductType(
+            Id, nuevoNombre, HasDuration, RequiresText, RequiresCategory, IsBundle,
+            AllowImages, MaxImages, MaxImageSizeMB, MaxImageWidth, MaxImageHeight,
+            IsActive, FechaCreacion, timeProvider.GetUtcNow().UtcDateTime);
+    }
+
+    /// <summary>
+    /// Returns a new ProductType with updated flags, preserving multimedia fields.
+    /// Does NOT mutate the current instance.
+    /// </summary>
+    public ProductType WithUpdatedFlags(
+        bool hasDuration,
+        bool requiresText,
+        bool requiresCategory,
+        bool isBundle,
+        TimeProvider timeProvider)
+    {
+        return new ProductType(
+            Id, Nombre, hasDuration, requiresText, requiresCategory, isBundle,
+            AllowImages, MaxImages, MaxImageSizeMB, MaxImageWidth, MaxImageHeight,
+            IsActive, FechaCreacion, timeProvider.GetUtcNow().UtcDateTime);
+    }
+
+    /// <summary>
+    /// Returns a new ProductType with updated multimedia limits.
+    /// AllowImages=false normalizes all 4 Max* fields to null.
+    /// Does NOT mutate the current instance.
+    /// </summary>
+    public ProductType WithUpdatedMultimedia(
+        bool allowImages,
+        int? maxImages,
+        decimal? maxImageSizeMB,
+        int? maxImageWidth,
+        int? maxImageHeight,
+        TimeProvider timeProvider)
+    {
+        var (mi, ms, mw, mh) = NormalizeMultimedia(allowImages, maxImages, maxImageSizeMB, maxImageWidth, maxImageHeight);
+
+        return new ProductType(
+            Id, Nombre, HasDuration, RequiresText, RequiresCategory, IsBundle,
+            allowImages, mi, ms, mw, mh,
+            IsActive, FechaCreacion, timeProvider.GetUtcNow().UtcDateTime);
+    }
+
+    /// <summary>
+    /// Returns a new ProductType with IsActive=false and FechaModificacion updated.
+    /// Does NOT mutate the current instance.
+    /// </summary>
+    public ProductType WithDeactivated(TimeProvider timeProvider)
+    {
+        return new ProductType(
+            Id, Nombre, HasDuration, RequiresText, RequiresCategory, IsBundle,
+            AllowImages, MaxImages, MaxImageSizeMB, MaxImageWidth, MaxImageHeight,
+            isActive: false, FechaCreacion, timeProvider.GetUtcNow().UtcDateTime);
+    }
+
+    // ── Private helpers ───────────────────────────────────────────────────────
+
+    private static (int?, decimal?, int?, int?) NormalizeMultimedia(
+        bool allow, int? mi, decimal? ms, int? mw, int? mh)
+        => allow ? (mi, ms, mw, mh) : (null, null, null, null);
+
+    private static void ValidateNombre(string nombre)
+    {
+        if (string.IsNullOrWhiteSpace(nombre))
+            throw new ArgumentException(
+                "El nombre del tipo de producto no puede estar vacío o ser solo espacios.",
+                nameof(nombre));
+
+        if (nombre.Length > NombreMaxLength)
+            throw new ArgumentException(
+                $"El nombre del tipo de producto no puede superar los {NombreMaxLength} caracteres.",
+                nameof(nombre));
+    }
+}
diff --git a/src/api/SIGCM2.Domain/Exceptions/ProductTypeEnUsoException.cs b/src/api/SIGCM2.Domain/Exceptions/ProductTypeEnUsoException.cs
new file mode 100644
index 0000000..b3cf72b
--- /dev/null
+++ b/src/api/SIGCM2.Domain/Exceptions/ProductTypeEnUsoException.cs
@@ -0,0 +1,17 @@
+namespace SIGCM2.Domain.Exceptions;
+
+/// <summary>
+/// Thrown when attempting to deactivate a ProductType that has active products. → HTTP 409
+/// </summary>
+public sealed class ProductTypeEnUsoException : DomainException
+{
+    public int ProductTypeId { get; }
+    public int ProductsActivos { get; }
+
+    public ProductTypeEnUsoException(int id, int productsActivos)
+        : base($"El tipo de producto con id={id} no puede desactivarse: tiene {productsActivos} producto(s) activo(s) asociados.")
+    {
+        ProductTypeId = id;
+        ProductsActivos = productsActivos;
+    }
+}
diff --git a/src/api/SIGCM2.Domain/Exceptions/ProductTypeFlagsIncoherentesException.cs b/src/api/SIGCM2.Domain/Exceptions/ProductTypeFlagsIncoherentesException.cs
new file mode 100644
index 0000000..7901594
--- /dev/null
+++ b/src/api/SIGCM2.Domain/Exceptions/ProductTypeFlagsIncoherentesException.cs
@@ -0,0 +1,17 @@
+namespace SIGCM2.Domain.Exceptions;
+
+/// <summary>
+/// Thrown when a combination of flags/multimedia is logically incoherent. → HTTP 422
+/// Defensive exception — PRD-001 normalizes instead of throwing.
+/// Reserved for future rules (e.g., PRD-004 IsBundle+HasDuration constraints).
+/// </summary>
+public sealed class ProductTypeFlagsIncoherentesException : DomainException
+{
+    public string Reason { get; }
+
+    public ProductTypeFlagsIncoherentesException(string reason)
+        : base($"Combinación de flags/multimedia inválida: {reason}")
+    {
+        Reason = reason;
+    }
+}
diff --git a/src/api/SIGCM2.Domain/Exceptions/ProductTypeNombreDuplicadoException.cs b/src/api/SIGCM2.Domain/Exceptions/ProductTypeNombreDuplicadoException.cs
new file mode 100644
index 0000000..79a4914
--- /dev/null
+++ b/src/api/SIGCM2.Domain/Exceptions/ProductTypeNombreDuplicadoException.cs
@@ -0,0 +1,15 @@
+namespace SIGCM2.Domain.Exceptions;
+
+/// <summary>
+/// Thrown when a ProductType with the same active name already exists. → HTTP 409
+/// </summary>
+public sealed class ProductTypeNombreDuplicadoException : DomainException
+{
+    public string Nombre { get; }
+
+    public ProductTypeNombreDuplicadoException(string nombre)
+        : base($"Ya existe un tipo de producto activo con el nombre '{nombre}'.")
+    {
+        Nombre = nombre;
+    }
+}
diff --git a/src/api/SIGCM2.Domain/Exceptions/ProductTypeNotFoundException.cs b/src/api/SIGCM2.Domain/Exceptions/ProductTypeNotFoundException.cs
new file mode 100644
index 0000000..0507af8
--- /dev/null
+++ b/src/api/SIGCM2.Domain/Exceptions/ProductTypeNotFoundException.cs
@@ -0,0 +1,15 @@
+namespace SIGCM2.Domain.Exceptions;
+
+/// <summary>
+/// Thrown when a requested ProductType does not exist. → HTTP 404
+/// </summary>
+public sealed class ProductTypeNotFoundException : DomainException
+{
+    public int ProductTypeId { get; }
+
+    public ProductTypeNotFoundException(int id)
+        : base($"El tipo de producto con id={id} no existe.")
+    {
+        ProductTypeId = id;
+    }
+}
diff --git a/src/api/SIGCM2.Infrastructure/DependencyInjection.cs b/src/api/SIGCM2.Infrastructure/DependencyInjection.cs
index 40ee1ab..809c334 100644
--- a/src/api/SIGCM2.Infrastructure/DependencyInjection.cs
+++ b/src/api/SIGCM2.Infrastructure/DependencyInjection.cs
@@ -39,6 +39,7 @@ public static class DependencyInjection
         services.AddScoped<ITipoDeIvaRepository, TipoDeIvaRepository>();
         services.AddScoped<IIngresosBrutosRepository, IngresosBrutosRepository>();
         services.AddScoped<IRubroRepository, RubroRepository>();
+        services.AddScoped<IProductTypeRepository, ProductTypeRepository>();
 
         // JWT Options — bound lazily via IOptions so tests can override via ConfigureWebHost
         services.Configure<JwtOptions>(configuration.GetSection("Jwt"));
diff --git a/src/api/SIGCM2.Infrastructure/Persistence/ProductTypeRepository.cs b/src/api/SIGCM2.Infrastructure/Persistence/ProductTypeRepository.cs
new file mode 100644
index 0000000..3ebab93
--- /dev/null
+++ b/src/api/SIGCM2.Infrastructure/Persistence/ProductTypeRepository.cs
@@ -0,0 +1,214 @@
+using Dapper;
+using SIGCM2.Application.Abstractions.Persistence;
+using SIGCM2.Application.Common;
+using SIGCM2.Domain.Entities;
+
+namespace SIGCM2.Infrastructure.Persistence;
+
+public sealed class ProductTypeRepository : IProductTypeRepository
+{
+    private readonly SqlConnectionFactory _factory;
+
+    public ProductTypeRepository(SqlConnectionFactory factory)
+    {
+        _factory = factory;
+    }
+
+    public async Task<int> AddAsync(ProductType productType, CancellationToken ct = default)
+    {
+        // DF handles: IsActive (1), FechaCreacion (SYSUTCDATETIME()).
+        const string sql = """
+            INSERT INTO dbo.ProductType (
+                Nombre, HasDuration, RequiresText, RequiresCategory, IsBundle,
+                AllowImages, MaxImages, MaxImageSizeMB, MaxImageWidth, MaxImageHeight
+            )
+            OUTPUT INSERTED.Id
+            VALUES (
+                @Nombre, @HasDuration, @RequiresText, @RequiresCategory, @IsBundle,
+                @AllowImages, @MaxImages, @MaxImageSizeMB, @MaxImageWidth, @MaxImageHeight
+            )
+            """;
+
+        await using var connection = _factory.CreateConnection();
+        await connection.OpenAsync(ct);
+
+        return await connection.ExecuteScalarAsync<int>(sql, new
+        {
+            productType.Nombre,
+            HasDuration = productType.HasDuration ? 1 : 0,
+            RequiresText = productType.RequiresText ? 1 : 0,
+            RequiresCategory = productType.RequiresCategory ? 1 : 0,
+            IsBundle = productType.IsBundle ? 1 : 0,
+            AllowImages = productType.AllowImages ? 1 : 0,
+            productType.MaxImages,
+            productType.MaxImageSizeMB,
+            productType.MaxImageWidth,
+            productType.MaxImageHeight,
+        });
+    }
+
+    public async Task<ProductType?> GetByIdAsync(int id, CancellationToken ct = default)
+    {
+        const string sql = """
+            SELECT Id, Nombre, HasDuration, RequiresText, RequiresCategory, IsBundle,
+                   AllowImages, MaxImages, MaxImageSizeMB, MaxImageWidth, MaxImageHeight,
+                   IsActive, FechaCreacion, FechaModificacion
+            FROM dbo.ProductType
+            WHERE Id = @Id
+            """;
+
+        await using var connection = _factory.CreateConnection();
+        await connection.OpenAsync(ct);
+
+        var row = await connection.QuerySingleOrDefaultAsync<ProductTypeRow>(sql, new { Id = id });
+        return row is null ? null : MapRow(row);
+    }
+
+    public async Task<PagedResult<ProductType>> GetPagedAsync(
+        ProductTypesQuery query,
+        CancellationToken ct = default)
+    {
+        // Build the WHERE clause dynamically.
+        var conditions = new List<string>();
+        if (query.Activo.HasValue)
+            conditions.Add("IsActive = @Activo");
+        if (!string.IsNullOrWhiteSpace(query.Search))
+            conditions.Add("Nombre LIKE '%' + @Search + '%'");
+
+        var where = conditions.Count > 0
+            ? "WHERE " + string.Join(" AND ", conditions)
+            : string.Empty;
+
+        var countSql = $"SELECT COUNT(1) FROM dbo.ProductType {where}";
+        var dataSql = $"""
+            SELECT Id, Nombre, HasDuration, RequiresText, RequiresCategory, IsBundle,
+                   AllowImages, MaxImages, MaxImageSizeMB, MaxImageWidth, MaxImageHeight,
+                   IsActive, FechaCreacion, FechaModificacion
+            FROM dbo.ProductType
+            {where}
+            ORDER BY Nombre
+            OFFSET @Offset ROWS FETCH NEXT @PageSize ROWS ONLY
+            """;
+
+        var offset = (query.Page - 1) * query.PageSize;
+        var parameters = new
+        {
+            Activo = query.Activo.HasValue ? (object)(query.Activo.Value ? 1 : 0) : null,
+            Search = string.IsNullOrWhiteSpace(query.Search) ? null : query.Search,
+            Offset = offset,
+            PageSize = query.PageSize,
+        };
+
+        await using var connection = _factory.CreateConnection();
+        await connection.OpenAsync(ct);
+
+        var total = await connection.ExecuteScalarAsync<int>(countSql, parameters);
+        var rows = await connection.QueryAsync<ProductTypeRow>(dataSql, parameters);
+        var items = rows.Select(MapRow).ToList();
+
+        return new PagedResult<ProductType>(items, query.Page, query.PageSize, total);
+    }
+
+    public async Task UpdateAsync(ProductType productType, CancellationToken ct = default)
+    {
+        const string sql = """
+            UPDATE dbo.ProductType
+            SET Nombre              = @Nombre,
+                HasDuration         = @HasDuration,
+                RequiresText        = @RequiresText,
+                RequiresCategory    = @RequiresCategory,
+                IsBundle            = @IsBundle,
+                AllowImages         = @AllowImages,
+                MaxImages           = @MaxImages,
+                MaxImageSizeMB      = @MaxImageSizeMB,
+                MaxImageWidth       = @MaxImageWidth,
+                MaxImageHeight      = @MaxImageHeight,
+                IsActive            = @IsActive,
+                FechaModificacion   = @FechaModificacion
+            WHERE Id = @Id
+            """;
+
+        await using var connection = _factory.CreateConnection();
+        await connection.OpenAsync(ct);
+
+        await connection.ExecuteAsync(sql, new
+        {
+            productType.Nombre,
+            HasDuration = productType.HasDuration ? 1 : 0,
+            RequiresText = productType.RequiresText ? 1 : 0,
+            RequiresCategory = productType.RequiresCategory ? 1 : 0,
+            IsBundle = productType.IsBundle ? 1 : 0,
+            AllowImages = productType.AllowImages ? 1 : 0,
+            productType.MaxImages,
+            productType.MaxImageSizeMB,
+            productType.MaxImageWidth,
+            productType.MaxImageHeight,
+            IsActive = productType.IsActive ? 1 : 0,
+            productType.FechaModificacion,
+            productType.Id,
+        });
+    }
+
+    public async Task<bool> ExistsByNombreAsync(
+        string nombre,
+        int? excludeId = null,
+        CancellationToken ct = default)
+    {
+        // DB collation is SQL_Latin1_General_CP1_CI_AI on Nombre (CI) — comparison is
+        // already case-insensitive; no need for UPPER(). The filtered unique index
+        // (UQ_ProductType_Nombre_Activo WHERE IsActive=1) aligns with this query.
+        const string sql = """
+            SELECT COUNT(1)
+            FROM dbo.ProductType
+            WHERE Nombre = @Nombre
+              AND IsActive = 1
+              AND (@ExcludeId IS NULL OR Id <> @ExcludeId)
+            """;
+
+        await using var connection = _factory.CreateConnection();
+        await connection.OpenAsync(ct);
+
+        var count = await connection.ExecuteScalarAsync<int>(sql, new
+        {
+            Nombre = nombre,
+            ExcludeId = excludeId,
+        });
+
+        return count > 0;
+    }
+
+    // ── mapping ───────────────────────────────────────────────────────────────
+
+    private static ProductType MapRow(ProductTypeRow r)
+        => new(
+            id: r.Id,
+            nombre: r.Nombre,
+            hasDuration: r.HasDuration,
+            requiresText: r.RequiresText,
+            requiresCategory: r.RequiresCategory,
+            isBundle: r.IsBundle,
+            allowImages: r.AllowImages,
+            maxImages: r.MaxImages,
+            maxImageSizeMB: r.MaxImageSizeMB,
+            maxImageWidth: r.MaxImageWidth,
+            maxImageHeight: r.MaxImageHeight,
+            isActive: r.IsActive,
+            fechaCreacion: r.FechaCreacion,
+            fechaModificacion: r.FechaModificacion);
+
+    private sealed record ProductTypeRow(
+        int Id,
+        string Nombre,
+        bool HasDuration,
+        bool RequiresText,
+        bool RequiresCategory,
+        bool IsBundle,
+        bool AllowImages,
+        int? MaxImages,
+        decimal? MaxImageSizeMB,
+        int? MaxImageWidth,
+        int? MaxImageHeight,
+        bool IsActive,
+        DateTime FechaCreacion,
+        DateTime? FechaModificacion);
+}
diff --git a/src/web/src/components/layout/AppSidebar.tsx b/src/web/src/components/layout/AppSidebar.tsx
index f587e89..3331aa9 100644
--- a/src/web/src/components/layout/AppSidebar.tsx
+++ b/src/web/src/components/layout/AppSidebar.tsx
@@ -16,6 +16,7 @@ import {
   Columns3,
   Store,
   Tag,
+  Layers,
 } from 'lucide-react'
 import { cn } from '@/lib/utils'
 import { Badge } from '@/components/ui/badge'
@@ -75,6 +76,12 @@ const adminItems: NavItem[] = [
     icon: Tag,
     requiredPermission: 'catalogo:rubros:gestionar',
   },
+  {
+    label: 'Tipos de Producto',
+    href: '/admin/product-types',
+    icon: Layers,
+    requiredPermission: 'catalogo:tipos:gestionar',
+  },
 ]
 
 interface SidebarNavProps {
diff --git a/src/web/src/features/product-types/api/createProductType.ts b/src/web/src/features/product-types/api/createProductType.ts
new file mode 100644
index 0000000..195ca30
--- /dev/null
+++ b/src/web/src/features/product-types/api/createProductType.ts
@@ -0,0 +1,12 @@
+import { axiosClient } from '@/api/axiosClient'
+import type { CreateProductTypeRequest, ProductTypeDetail } from '../types'
+
+export async function createProductType(
+  payload: CreateProductTypeRequest,
+): Promise<ProductTypeDetail> {
+  const response = await axiosClient.post<ProductTypeDetail>(
+    '/api/v1/admin/product-types',
+    payload,
+  )
+  return response.data
+}
diff --git a/src/web/src/features/product-types/api/deactivateProductType.ts b/src/web/src/features/product-types/api/deactivateProductType.ts
new file mode 100644
index 0000000..041ef7c
--- /dev/null
+++ b/src/web/src/features/product-types/api/deactivateProductType.ts
@@ -0,0 +1,5 @@
+import { axiosClient } from '@/api/axiosClient'
+
+export async function deactivateProductType(id: number): Promise<void> {
+  await axiosClient.delete(`/api/v1/admin/product-types/${id}`)
+}
diff --git a/src/web/src/features/product-types/api/getProductTypeById.ts b/src/web/src/features/product-types/api/getProductTypeById.ts
new file mode 100644
index 0000000..6582d6e
--- /dev/null
+++ b/src/web/src/features/product-types/api/getProductTypeById.ts
@@ -0,0 +1,7 @@
+import { axiosClient } from '@/api/axiosClient'
+import type { ProductTypeDetail } from '../types'
+
+export async function getProductTypeById(id: number): Promise<ProductTypeDetail> {
+  const response = await axiosClient.get<ProductTypeDetail>(`/api/v1/product-types/${id}`)
+  return response.data
+}
diff --git a/src/web/src/features/product-types/api/listProductTypes.ts b/src/web/src/features/product-types/api/listProductTypes.ts
new file mode 100644
index 0000000..de72971
--- /dev/null
+++ b/src/web/src/features/product-types/api/listProductTypes.ts
@@ -0,0 +1,12 @@
+import { axiosClient } from '@/api/axiosClient'
+import type { ListProductTypesParams, PagedResult, ProductTypeListItem } from '../types'
+
+export async function listProductTypes(
+  params?: ListProductTypesParams,
+): Promise<PagedResult<ProductTypeListItem>> {
+  const response = await axiosClient.get<PagedResult<ProductTypeListItem>>(
+    '/api/v1/product-types',
+    { params },
+  )
+  return response.data
+}
diff --git a/src/web/src/features/product-types/api/updateProductType.ts b/src/web/src/features/product-types/api/updateProductType.ts
new file mode 100644
index 0000000..bcaa6f3
--- /dev/null
+++ b/src/web/src/features/product-types/api/updateProductType.ts
@@ -0,0 +1,13 @@
+import { axiosClient } from '@/api/axiosClient'
+import type { UpdateProductTypeRequest, ProductTypeDetail } from '../types'
+
+export async function updateProductType(
+  id: number,
+  payload: UpdateProductTypeRequest,
+): Promise<ProductTypeDetail> {
+  const response = await axiosClient.put<ProductTypeDetail>(
+    `/api/v1/admin/product-types/${id}`,
+    payload,
+  )
+  return response.data
+}
diff --git a/src/web/src/features/product-types/components/DeactivateProductTypeDialog.tsx b/src/web/src/features/product-types/components/DeactivateProductTypeDialog.tsx
new file mode 100644
index 0000000..717b2e3
--- /dev/null
+++ b/src/web/src/features/product-types/components/DeactivateProductTypeDialog.tsx
@@ -0,0 +1,87 @@
+import { useState } from 'react'
+import { AlertCircle } from 'lucide-react'
+import {
+  AlertDialog,
+  AlertDialogAction,
+  AlertDialogCancel,
+  AlertDialogContent,
+  AlertDialogDescription,
+  AlertDialogFooter,
+  AlertDialogHeader,
+  AlertDialogTitle,
+} from '@/components/ui/alert-dialog'
+import { Alert, AlertDescription } from '@/components/ui/alert'
+import type { ProductTypeListItem } from '../types'
+
+// ─── Error resolver ────────────────────────────────────────────────────────────
+
+function resolveDeactivateError(err: unknown): string | null {
+  if (!err) return null
+  const errObj = err as { response?: { status?: number; data?: { message?: string } } }
+  if (errObj?.response?.data?.message) {
+    return errObj.response.data.message
+  }
+  return 'Error al desactivar el tipo de producto'
+}
+
+// ─── Props ────────────────────────────────────────────────────────────────────
+
+interface DeactivateProductTypeDialogProps {
+  open: boolean
+  onOpenChange: (open: boolean) => void
+  productType: ProductTypeListItem
+  onConfirm: (id: number) => Promise<void> | void
+}
+
+// ─── Component ────────────────────────────────────────────────────────────────
+
+export function DeactivateProductTypeDialog({
+  open,
+  onOpenChange,
+  productType,
+  onConfirm,
+}: DeactivateProductTypeDialogProps) {
+  const [error, setError] = useState<string | null>(null)
+  const [isPending, setIsPending] = useState(false)
+
+  async function handleConfirm() {
+    setError(null)
+    setIsPending(true)
+    try {
+      await onConfirm(productType.id)
+      onOpenChange(false)
+    } catch (err) {
+      setError(resolveDeactivateError(err))
+    } finally {
+      setIsPending(false)
+    }
+  }
+
+  return (
+    <AlertDialog open={open} onOpenChange={onOpenChange}>
+      <AlertDialogContent>
+        <AlertDialogHeader>
+          <AlertDialogTitle>Desactivar tipo de producto</AlertDialogTitle>
+          <AlertDialogDescription>
+            ¿Desactivar el tipo &ldquo;{productType.nombre}&rdquo;? Los productos asociados conservan
+            la referencia pero el tipo no aparecerá en listados activos.
+          </AlertDialogDescription>
+        </AlertDialogHeader>
+
+        {error && (
+          <Alert variant="destructive">
+            <AlertCircle className="h-4 w-4" />
+            <AlertDescription>{error}</AlertDescription>
+          </Alert>
+        )}
+
+        <AlertDialogFooter>
+          <AlertDialogCancel disabled={isPending}>Cancelar</AlertDialogCancel>
+          <AlertDialogAction onClick={handleConfirm} disabled={isPending}>
+            {isPending ? 'Procesando...' : 'Desactivar'}
+          </AlertDialogAction>
+        </AlertDialogFooter>
+      </AlertDialogContent>
+    </AlertDialog>
+  )
+}
diff --git a/src/web/src/features/product-types/components/ProductTypeForm.tsx b/src/web/src/features/product-types/components/ProductTypeForm.tsx
new file mode 100644
index 0000000..c592d9e
--- /dev/null
+++ b/src/web/src/features/product-types/components/ProductTypeForm.tsx
@@ -0,0 +1,408 @@
+import { useEffect } from 'react'
+import { useForm } from 'react-hook-form'
+import { zodResolver } from '@hookform/resolvers/zod'
+import { z } from 'zod'
+import { Button } from '@/components/ui/button'
+import { Input } from '@/components/ui/input'
+import {
+  Form,
+  FormControl,
+  FormField,
+  FormItem,
+  FormLabel,
+  FormMessage,
+} from '@/components/ui/form'
+
+// ─── Schema ───────────────────────────────────────────────────────────────────
+
+function nullablePositiveInt() {
+  return z
+    .string()
+    .optional()
+    .transform((v) => (v === '' || v == null ? null : Number(v)))
+    .pipe(z.number().int().positive().nullable())
+}
+
+function nullablePositiveDecimal() {
+  return z
+    .string()
+    .optional()
+    .transform((v) => (v === '' || v == null ? null : Number(v)))
+    .pipe(z.number().positive().nullable())
+}
+
+const productTypeFormSchema = z.object({
+  nombre: z.string().trim().min(1, 'Nombre requerido').max(100, 'Máximo 100 caracteres'),
+  hasDuration: z.boolean(),
+  requiresText: z.boolean(),
+  requiresCategory: z.boolean(),
+  isBundle: z.boolean(),
+  allowImages: z.boolean(),
+  maxImages: nullablePositiveInt(),
+  maxImageSizeMB: nullablePositiveDecimal(),
+  maxImageWidth: nullablePositiveInt(),
+  maxImageHeight: nullablePositiveInt(),
+})
+
+// Raw form field types (strings before zod transforms)
+type ProductTypeFormRaw = {
+  nombre: string
+  hasDuration: boolean
+  requiresText: boolean
+  requiresCategory: boolean
+  isBundle: boolean
+  allowImages: boolean
+  maxImages: string
+  maxImageSizeMB: string
+  maxImageWidth: string
+  maxImageHeight: string
+}
+
+// Output type after zod transforms (what onSubmit receives at runtime)
+export type ProductTypeFormOutput = {
+  nombre: string
+  hasDuration: boolean
+  requiresText: boolean
+  requiresCategory: boolean
+  isBundle: boolean
+  allowImages: boolean
+  maxImages: number | null
+  maxImageSizeMB: number | null
+  maxImageWidth: number | null
+  maxImageHeight: number | null
+}
+
+// ─── Props ────────────────────────────────────────────────────────────────────
+
+export interface ProductTypeFormDefaultValues {
+  nombre?: string
+  hasDuration?: boolean
+  requiresText?: boolean
+  requiresCategory?: boolean
+  isBundle?: boolean
+  allowImages?: boolean
+  maxImages?: number | null
+  maxImageSizeMB?: number | null
+  maxImageWidth?: number | null
+  maxImageHeight?: number | null
+}
+
+interface ProductTypeFormProps {
+  defaultValues?: ProductTypeFormDefaultValues
+  onSubmit: (values: ProductTypeFormOutput) => void
+  onCancel: () => void
+  isPending?: boolean
+  isEdit?: boolean
+}
+
+// ─── Component ────────────────────────────────────────────────────────────────
+
+export function ProductTypeForm({
+  defaultValues,
+  onSubmit,
+  onCancel,
+  isPending = false,
+  isEdit = false,
+}: ProductTypeFormProps) {
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  const form = useForm<ProductTypeFormRaw>({
+    resolver: zodResolver(productTypeFormSchema) as any,
+    defaultValues: {
+      nombre: defaultValues?.nombre ?? '',
+      hasDuration: defaultValues?.hasDuration ?? false,
+      requiresText: defaultValues?.requiresText ?? false,
+      requiresCategory: defaultValues?.requiresCategory ?? false,
+      isBundle: defaultValues?.isBundle ?? false,
+      allowImages: defaultValues?.allowImages ?? false,
+      maxImages: defaultValues?.maxImages != null ? String(defaultValues.maxImages) : '',
+      maxImageSizeMB: defaultValues?.maxImageSizeMB != null ? String(defaultValues.maxImageSizeMB) : '',
+      maxImageWidth: defaultValues?.maxImageWidth != null ? String(defaultValues.maxImageWidth) : '',
+      maxImageHeight: defaultValues?.maxImageHeight != null ? String(defaultValues.maxImageHeight) : '',
+    },
+  })
+
+  const allowImages = form.watch('allowImages')
+
+  useEffect(() => {
+    form.reset({
+      nombre: defaultValues?.nombre ?? '',
+      hasDuration: defaultValues?.hasDuration ?? false,
+      requiresText: defaultValues?.requiresText ?? false,
+      requiresCategory: defaultValues?.requiresCategory ?? false,
+      isBundle: defaultValues?.isBundle ?? false,
+      allowImages: defaultValues?.allowImages ?? false,
+      maxImages: defaultValues?.maxImages != null ? String(defaultValues.maxImages) : '',
+      maxImageSizeMB: defaultValues?.maxImageSizeMB != null ? String(defaultValues.maxImageSizeMB) : '',
+      maxImageWidth: defaultValues?.maxImageWidth != null ? String(defaultValues.maxImageWidth) : '',
+      maxImageHeight: defaultValues?.maxImageHeight != null ? String(defaultValues.maxImageHeight) : '',
+    })
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [defaultValues?.nombre, defaultValues?.allowImages])
+
+  function handleSubmit(data: ProductTypeFormOutput) {
+    // Normalize multimedia to null when allowImages=false
+    if (!data.allowImages) {
+      data = {
+        ...data,
+        maxImages: null,
+        maxImageSizeMB: null,
+        maxImageWidth: null,
+        maxImageHeight: null,
+      }
+    }
+    onSubmit(data)
+  }
+
+  return (
+    <Form {...form}>
+      <form
+        onSubmit={form.handleSubmit(
+          handleSubmit as unknown as Parameters<typeof form.handleSubmit>[0],
+        )}
+        className="space-y-4"
+        noValidate
+      >
+        {/* Nombre */}
+        <FormField
+          control={form.control}
+          name="nombre"
+          render={({ field }) => (
+            <FormItem>
+              <FormLabel>Nombre</FormLabel>
+              <FormControl>
+                <Input
+                  {...field}
+                  type="text"
+                  disabled={isPending}
+                  placeholder="Nombre del tipo de producto"
+                />
+              </FormControl>
+              <FormMessage />
+            </FormItem>
+          )}
+        />
+
+        {/* Flags */}
+        <div className="grid grid-cols-2 gap-3">
+          <FormField
+            control={form.control}
+            name="hasDuration"
+            render={({ field }) => (
+              <FormItem className="flex flex-row items-center gap-2 space-y-0">
+                <FormControl>
+                  <input
+                    id="hasDuration"
+                    type="checkbox"
+                    checked={field.value as boolean}
+                    onChange={(e) => field.onChange(e.target.checked)}
+                    disabled={isPending}
+                    aria-label="Tiene duración"
+                    className="h-4 w-4 cursor-pointer"
+                  />
+                </FormControl>
+                <FormLabel htmlFor="hasDuration" className="font-normal cursor-pointer">
+                  Tiene duración
+                </FormLabel>
+              </FormItem>
+            )}
+          />
+
+          <FormField
+            control={form.control}
+            name="requiresText"
+            render={({ field }) => (
+              <FormItem className="flex flex-row items-center gap-2 space-y-0">
+                <FormControl>
+                  <input
+                    id="requiresText"
+                    type="checkbox"
+                    checked={field.value as boolean}
+                    onChange={(e) => field.onChange(e.target.checked)}
+                    disabled={isPending}
+                    aria-label="Requiere texto"
+                    className="h-4 w-4 cursor-pointer"
+                  />
+                </FormControl>
+                <FormLabel htmlFor="requiresText" className="font-normal cursor-pointer">
+                  Requiere texto
+                </FormLabel>
+              </FormItem>
+            )}
+          />
+
+          <FormField
+            control={form.control}
+            name="requiresCategory"
+            render={({ field }) => (
+              <FormItem className="flex flex-row items-center gap-2 space-y-0">
+                <FormControl>
+                  <input
+                    id="requiresCategory"
+                    type="checkbox"
+                    checked={field.value as boolean}
+                    onChange={(e) => field.onChange(e.target.checked)}
+                    disabled={isPending}
+                    aria-label="Requiere categoría"
+                    className="h-4 w-4 cursor-pointer"
+                  />
+                </FormControl>
+                <FormLabel htmlFor="requiresCategory" className="font-normal cursor-pointer">
+                  Requiere categoría
+                </FormLabel>
+              </FormItem>
+            )}
+          />
+
+          <FormField
+            control={form.control}
+            name="isBundle"
+            render={({ field }) => (
+              <FormItem className="flex flex-row items-center gap-2 space-y-0">
+                <FormControl>
+                  <input
+                    id="isBundle"
+                    type="checkbox"
+                    checked={field.value as boolean}
+                    onChange={(e) => field.onChange(e.target.checked)}
+                    disabled={isPending}
+                    aria-label="Es bundle"
+                    className="h-4 w-4 cursor-pointer"
+                  />
+                </FormControl>
+                <FormLabel htmlFor="isBundle" className="font-normal cursor-pointer">
+                  Es bundle
+                </FormLabel>
+              </FormItem>
+            )}
+          />
+        </div>
+
+        {/* Allow Images toggle */}
+        <FormField
+          control={form.control}
+          name="allowImages"
+          render={({ field }) => (
+            <FormItem className="flex flex-row items-center gap-2 space-y-0">
+              <FormControl>
+                <input
+                  id="allowImages"
+                  type="checkbox"
+                  checked={field.value as boolean}
+                  onChange={(e) => field.onChange(e.target.checked)}
+                  disabled={isPending}
+                  aria-label="Permite imágenes"
+                  className="h-4 w-4 cursor-pointer"
+                />
+              </FormControl>
+              <FormLabel htmlFor="allowImages" className="font-normal cursor-pointer">
+                Permite imágenes
+              </FormLabel>
+            </FormItem>
+          )}
+        />
+
+        {/* Multimedia fields — always rendered, disabled when allowImages=false */}
+        <div className="grid grid-cols-2 gap-3 border rounded-md p-3">
+          <FormField
+            control={form.control}
+            name="maxImages"
+            render={({ field }) => (
+              <FormItem>
+                <FormLabel>Máx. imágenes</FormLabel>
+                <FormControl>
+                  <Input
+                    {...field}
+                    type="number"
+                    min={1}
+                    disabled={isPending || !allowImages}
+                    placeholder="Sin límite"
+                    aria-label="Máx. imágenes"
+                  />
+                </FormControl>
+                <FormMessage />
+              </FormItem>
+            )}
+          />
+
+          <FormField
+            control={form.control}
+            name="maxImageSizeMB"
+            render={({ field }) => (
+              <FormItem>
+                <FormLabel>Máx. tamaño (MB)</FormLabel>
+                <FormControl>
+                  <Input
+                    {...field}
+                    type="number"
+                    min={0.1}
+                    step={0.1}
+                    disabled={isPending || !allowImages}
+                    placeholder="Sin límite"
+                    aria-label="Máx. tamaño (MB)"
+                  />
+                </FormControl>
+                <FormMessage />
+              </FormItem>
+            )}
+          />
+
+          <FormField
+            control={form.control}
+            name="maxImageWidth"
+            render={({ field }) => (
+              <FormItem>
+                <FormLabel>Ancho máx. (px)</FormLabel>
+                <FormControl>
+                  <Input
+                    {...field}
+                    type="number"
+                    min={1}
+                    disabled={isPending || !allowImages}
+                    placeholder="Sin límite"
+                    aria-label="Ancho máx. (px)"
+                  />
+                </FormControl>
+                <FormMessage />
+              </FormItem>
+            )}
+          />
+
+          <FormField
+            control={form.control}
+            name="maxImageHeight"
+            render={({ field }) => (
+              <FormItem>
+                <FormLabel>Alto máx. (px)</FormLabel>
+                <FormControl>
+                  <Input
+                    {...field}
+                    type="number"
+                    min={1}
+                    disabled={isPending || !allowImages}
+                    placeholder="Sin límite"
+                    aria-label="Alto máx. (px)"
+                  />
+                </FormControl>
+                <FormMessage />
+              </FormItem>
+            )}
+          />
+        </div>
+
+        <div className="flex justify-end gap-2 pt-2">
+          <Button
+            type="button"
+            variant="outline"
+            onClick={onCancel}
+            disabled={isPending}
+          >
+            Cancelar
+          </Button>
+          <Button type="submit" disabled={isPending}>
+            {isPending ? 'Guardando...' : isEdit ? 'Guardar cambios' : 'Guardar'}
+          </Button>
+        </div>
+      </form>
+    </Form>
+  )
+}
diff --git a/src/web/src/features/product-types/components/ProductTypeFormDialog.tsx b/src/web/src/features/product-types/components/ProductTypeFormDialog.tsx
new file mode 100644
index 0000000..4a5c757
--- /dev/null
+++ b/src/web/src/features/product-types/components/ProductTypeFormDialog.tsx
@@ -0,0 +1,111 @@
+import { useState } from 'react'
+import { isAxiosError } from 'axios'
+import { AlertCircle } from 'lucide-react'
+import { toast } from 'sonner'
+import {
+  Dialog,
+  DialogContent,
+  DialogDescription,
+  DialogHeader,
+  DialogTitle,
+} from '@/components/ui/dialog'
+import { Alert, AlertDescription } from '@/components/ui/alert'
+import { ProductTypeForm } from './ProductTypeForm'
+import type { ProductTypeFormOutput } from './ProductTypeForm'
+import { useCreateProductType } from '../hooks/useCreateProductType'
+import { useUpdateProductType } from '../hooks/useUpdateProductType'
+import type { ProductTypeDetail } from '../types'
+
+// ─── Error resolver ────────────────────────────────────────────────────────────
+
+function resolveBackendError(err: unknown): string | null {
+  if (!err) return null
+  if (isAxiosError(err) && err.response?.data) {
+    const data = err.response.data as { error?: string; message?: string }
+    return data.message ?? data.error ?? 'Error al guardar el tipo de producto'
+  }
+  const errObj = err as { response?: { data?: { message?: string } } }
+  if (errObj?.response?.data?.message) {
+    return errObj.response.data.message
+  }
+  return 'Error al guardar el tipo de producto'
+}
+
+// ─── Props ────────────────────────────────────────────────────────────────────
+
+interface ProductTypeFormDialogProps {
+  open: boolean
+  onOpenChange: (open: boolean) => void
+  productType?: ProductTypeDetail
+  onSuccess?: () => void
+}
+
+// ─── Component ────────────────────────────────────────────────────────────────
+
+export function ProductTypeFormDialog({
+  open,
+  onOpenChange,
+  productType,
+  onSuccess,
+}: ProductTypeFormDialogProps) {
+  const [backendError, setBackendError] = useState<string | null>(null)
+
+  const isEdit = !!productType
+  const { mutateAsync: createProductType, isPending: creating } = useCreateProductType()
+  const { mutateAsync: updateProductType, isPending: updating } = useUpdateProductType()
+  const isPending = creating || updating
+
+  async function handleSubmit(values: ProductTypeFormOutput) {
+    setBackendError(null)
+    try {
+      if (isEdit) {
+        await updateProductType({ id: productType.id, data: values })
+        toast.success('Tipo de producto actualizado')
+      } else {
+        await createProductType(values)
+        toast.success('Tipo de producto creado')
+      }
+      onOpenChange(false)
+      onSuccess?.()
+    } catch (err) {
+      const msg = resolveBackendError(err)
+      setBackendError(msg)
+      if (
+        !isAxiosError(err) ||
+        (err.response?.status !== 409 && err.response?.status !== 422 && err.response?.status !== 400)
+      ) {
+        toast.error(isEdit ? 'Error al actualizar tipo de producto' : 'Error al crear tipo de producto')
+      }
+    }
+  }
+
+  return (
+    <Dialog open={open} onOpenChange={onOpenChange}>
+      <DialogContent className="sm:max-w-lg">
+        <DialogHeader>
+          <DialogTitle>{isEdit ? 'Editar tipo de producto' : 'Nuevo tipo de producto'}</DialogTitle>
+          <DialogDescription>
+            {isEdit
+              ? `Modificá los datos del tipo "${productType?.nombre ?? ''}".`
+              : 'Completá los datos para crear un nuevo tipo de producto.'}
+          </DialogDescription>
+        </DialogHeader>
+
+        {backendError && (
+          <Alert variant="destructive">
+            <AlertCircle className="h-4 w-4" />
+            <AlertDescription>{backendError}</AlertDescription>
+          </Alert>
+        )}
+
+        <ProductTypeForm
+          defaultValues={productType}
+          onSubmit={handleSubmit}
+          onCancel={() => onOpenChange(false)}
+          isPending={isPending}
+          isEdit={isEdit}
+        />
+      </DialogContent>
+    </Dialog>
+  )
+}
diff --git a/src/web/src/features/product-types/hooks/useCreateProductType.ts b/src/web/src/features/product-types/hooks/useCreateProductType.ts
new file mode 100644
index 0000000..73cc225
--- /dev/null
+++ b/src/web/src/features/product-types/hooks/useCreateProductType.ts
@@ -0,0 +1,13 @@
+import { useMutation, useQueryClient } from '@tanstack/react-query'
+import { createProductType } from '../api/createProductType'
+import type { CreateProductTypeRequest } from '../types'
+
+export function useCreateProductType() {
+  const queryClient = useQueryClient()
+  return useMutation({
+    mutationFn: (payload: CreateProductTypeRequest) => createProductType(payload),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: ['product-types'] })
+    },
+  })
+}
diff --git a/src/web/src/features/product-types/hooks/useDeactivateProductType.ts b/src/web/src/features/product-types/hooks/useDeactivateProductType.ts
new file mode 100644
index 0000000..9e60cc1
--- /dev/null
+++ b/src/web/src/features/product-types/hooks/useDeactivateProductType.ts
@@ -0,0 +1,12 @@
+import { useMutation, useQueryClient } from '@tanstack/react-query'
+import { deactivateProductType } from '../api/deactivateProductType'
+
+export function useDeactivateProductType() {
+  const queryClient = useQueryClient()
+  return useMutation({
+    mutationFn: (id: number) => deactivateProductType(id),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: ['product-types'] })
+    },
+  })
+}
diff --git a/src/web/src/features/product-types/hooks/useProductTypes.ts b/src/web/src/features/product-types/hooks/useProductTypes.ts
new file mode 100644
index 0000000..dd22848
--- /dev/null
+++ b/src/web/src/features/product-types/hooks/useProductTypes.ts
@@ -0,0 +1,10 @@
+import { useQuery } from '@tanstack/react-query'
+import { listProductTypes } from '../api/listProductTypes'
+import type { ListProductTypesParams } from '../types'
+
+export function useProductTypes(params?: ListProductTypesParams) {
+  return useQuery({
+    queryKey: ['product-types', params],
+    queryFn: () => listProductTypes(params),
+  })
+}
diff --git a/src/web/src/features/product-types/hooks/useUpdateProductType.ts b/src/web/src/features/product-types/hooks/useUpdateProductType.ts
new file mode 100644
index 0000000..ac2b68b
--- /dev/null
+++ b/src/web/src/features/product-types/hooks/useUpdateProductType.ts
@@ -0,0 +1,14 @@
+import { useMutation, useQueryClient } from '@tanstack/react-query'
+import { updateProductType } from '../api/updateProductType'
+import type { UpdateProductTypeRequest } from '../types'
+
+export function useUpdateProductType() {
+  const queryClient = useQueryClient()
+  return useMutation({
+    mutationFn: ({ id, data }: { id: number; data: UpdateProductTypeRequest }) =>
+      updateProductType(id, data),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: ['product-types'] })
+    },
+  })
+}
diff --git a/src/web/src/features/product-types/index.ts b/src/web/src/features/product-types/index.ts
new file mode 100644
index 0000000..d8af869
--- /dev/null
+++ b/src/web/src/features/product-types/index.ts
@@ -0,0 +1,3 @@
+// PRD-001 — product-types feature public API
+export { ProductTypesPage } from './pages/ProductTypesPage'
+export type { ProductTypeListItem, ProductTypeDetail, CreateProductTypeRequest, UpdateProductTypeRequest } from './types'
diff --git a/src/web/src/features/product-types/pages/ProductTypesPage.tsx b/src/web/src/features/product-types/pages/ProductTypesPage.tsx
new file mode 100644
index 0000000..3f6c68e
--- /dev/null
+++ b/src/web/src/features/product-types/pages/ProductTypesPage.tsx
@@ -0,0 +1,186 @@
+import { useState } from 'react'
+import { AlertCircle, Plus } from 'lucide-react'
+import { toast } from 'sonner'
+import { Button } from '@/components/ui/button'
+import { Skeleton } from '@/components/ui/skeleton'
+import { Alert, AlertDescription } from '@/components/ui/alert'
+import { CanPerform } from '@/components/auth/CanPerform'
+import { useProductTypes } from '../hooks/useProductTypes'
+import { useDeactivateProductType } from '../hooks/useDeactivateProductType'
+import { ProductTypeFormDialog } from '../components/ProductTypeFormDialog'
+import { DeactivateProductTypeDialog } from '../components/DeactivateProductTypeDialog'
+import type { ProductTypeListItem, ProductTypeDetail } from '../types'
+
+export function ProductTypesPage() {
+  // ── Create dialog state ──────────────────────────────────────────────────
+  const [createOpen, setCreateOpen] = useState(false)
+
+  // ── Edit dialog state ────────────────────────────────────────────────────
+  const [editOpen, setEditOpen] = useState(false)
+  const [editingProductType, setEditingProductType] = useState<ProductTypeDetail | null>(null)
+
+  // ── Deactivate dialog state ──────────────────────────────────────────────
+  const [deactivateOpen, setDeactivateOpen] = useState(false)
+  const [deactivatingProductType, setDeactivatingProductType] = useState<ProductTypeListItem | null>(null)
+
+  const { data: paged, isLoading, isError } = useProductTypes({ activo: true })
+  const { mutateAsync: deactivateProductType } = useDeactivateProductType()
+
+  // ── Handlers ─────────────────────────────────────────────────────────────
+
+  function openCreate() {
+    setCreateOpen(true)
+  }
+
+  function openEdit(pt: ProductTypeListItem) {
+    // Map list item to detail shape for pre-filling (multimedia nulls are fine for list item)
+    const detail: ProductTypeDetail = {
+      ...pt,
+      maxImages: null,
+      maxImageSizeMB: null,
+      maxImageWidth: null,
+      maxImageHeight: null,
+      fechaCreacion: '',
+      fechaModificacion: null,
+    }
+    setEditingProductType(detail)
+    setEditOpen(true)
+  }
+
+  function openDeactivate(pt: ProductTypeListItem) {
+    setDeactivatingProductType(pt)
+    setDeactivateOpen(true)
+  }
+
+  async function handleDeactivate(id: number) {
+    await deactivateProductType(id)
+    toast.success('Tipo de producto desactivado')
+  }
+
+  // ── Loading / Error ───────────────────────────────────────────────────────
+
+  if (isLoading) {
+    return (
+      <div className="space-y-4 p-4">
+        <Skeleton className="h-10 w-48" />
+        <Skeleton className="h-64 w-full" />
+      </div>
+    )
+  }
+
+  if (isError) {
+    return (
+      <Alert variant="destructive" className="m-4">
+        <AlertCircle className="h-4 w-4" />
+        <AlertDescription>Error al cargar tipos de producto.</AlertDescription>
+      </Alert>
+    )
+  }
+
+  const isEmpty = !paged?.items.length
+
+  return (
+    <div className="space-y-4 p-4">
+      <div className="flex items-center justify-between">
+        <h1 className="text-2xl font-bold">Tipos de Producto</h1>
+        <CanPerform permission="catalogo:tipos:gestionar">
+          <Button size="sm" onClick={openCreate}>
+            <Plus className="mr-2 h-4 w-4" />
+            Nuevo Tipo
+          </Button>
+        </CanPerform>
+      </div>
+
+      {isEmpty ? (
+        <div className="flex flex-col items-center gap-4 py-16 text-center text-muted-foreground">
+          <p>No hay tipos de producto.</p>
+          <CanPerform permission="catalogo:tipos:gestionar">
+            <Button variant="outline" onClick={openCreate}>
+              Crear primer tipo
+            </Button>
+          </CanPerform>
+        </div>
+      ) : (
+        <div className="rounded-md border">
+          <table className="w-full text-sm">
+            <thead>
+              <tr className="border-b bg-muted/50">
+                <th className="px-4 py-2 text-left font-medium">Nombre</th>
+                <th className="px-4 py-2 text-left font-medium">Duración</th>
+                <th className="px-4 py-2 text-left font-medium">Texto</th>
+                <th className="px-4 py-2 text-left font-medium">Categoría</th>
+                <th className="px-4 py-2 text-left font-medium">Bundle</th>
+                <th className="px-4 py-2 text-left font-medium">Imágenes</th>
+                <th className="px-4 py-2 text-left font-medium">Activo</th>
+                <th className="px-4 py-2" />
+              </tr>
+            </thead>
+            <tbody>
+              {paged.items.map((pt: ProductTypeListItem) => (
+                <tr key={pt.id} className="border-b last:border-0 hover:bg-muted/25">
+                  <td className="px-4 py-2 font-medium">{pt.nombre}</td>
+                  <td className="px-4 py-2">{pt.hasDuration ? 'Sí' : 'No'}</td>
+                  <td className="px-4 py-2">{pt.requiresText ? 'Sí' : 'No'}</td>
+                  <td className="px-4 py-2">{pt.requiresCategory ? 'Sí' : 'No'}</td>
+                  <td className="px-4 py-2">{pt.isBundle ? 'Sí' : 'No'}</td>
+                  <td className="px-4 py-2">{pt.allowImages ? 'Sí' : 'No'}</td>
+                  <td className="px-4 py-2">
+                    <span className={pt.isActive ? 'text-green-600' : 'text-red-500'}>
+                      {pt.isActive ? 'Activo' : 'Inactivo'}
+                    </span>
+                  </td>
+                  <td className="px-4 py-2">
+                    <CanPerform permission="catalogo:tipos:gestionar">
+                      <div className="flex gap-1">
+                        <Button
+                          variant="ghost"
+                          size="sm"
+                          onClick={() => openEdit(pt)}
+                        >
+                          Editar
+                        </Button>
+                        <Button
+                          variant="ghost"
+                          size="sm"
+                          onClick={() => openDeactivate(pt)}
+                          disabled={!pt.isActive}
+                        >
+                          Desactivar
+                        </Button>
+                      </div>
+                    </CanPerform>
+                  </td>
+                </tr>
+              ))}
+            </tbody>
+          </table>
+        </div>
+      )}
+
+      {/* Create dialog */}
+      <ProductTypeFormDialog
+        open={createOpen}
+        onOpenChange={setCreateOpen}
+      />
+
+      {/* Edit dialog */}
+      {editingProductType && (
+        <ProductTypeFormDialog
+          open={editOpen}
+          onOpenChange={setEditOpen}
+          productType={editingProductType}
+        />
+      )}
+
+      {/* Deactivate confirmation dialog */}
+      {deactivatingProductType && (
+        <DeactivateProductTypeDialog
+          open={deactivateOpen}
+          onOpenChange={setDeactivateOpen}
+          productType={deactivatingProductType}
+          onConfirm={handleDeactivate}
+        />
+      )}
+    </div>
+  )
+}
diff --git a/src/web/src/features/product-types/types.ts b/src/web/src/features/product-types/types.ts
new file mode 100644
index 0000000..380b128
--- /dev/null
+++ b/src/web/src/features/product-types/types.ts
@@ -0,0 +1,69 @@
+// PRD-001 — shared types for product-types feature
+
+export interface ProductTypeListItem {
+  id: number
+  nombre: string
+  hasDuration: boolean
+  requiresText: boolean
+  requiresCategory: boolean
+  isBundle: boolean
+  allowImages: boolean
+  isActive: boolean
+}
+
+export interface ProductTypeDetail {
+  id: number
+  nombre: string
+  hasDuration: boolean
+  requiresText: boolean
+  requiresCategory: boolean
+  isBundle: boolean
+  allowImages: boolean
+  maxImages: number | null
+  maxImageSizeMB: number | null
+  maxImageWidth: number | null
+  maxImageHeight: number | null
+  isActive: boolean
+  fechaCreacion: string
+  fechaModificacion: string | null
+}
+
+export interface CreateProductTypeRequest {
+  nombre: string
+  hasDuration: boolean
+  requiresText: boolean
+  requiresCategory: boolean
+  isBundle: boolean
+  allowImages: boolean
+  maxImages?: number | null
+  maxImageSizeMB?: number | null
+  maxImageWidth?: number | null
+  maxImageHeight?: number | null
+}
+
+export interface UpdateProductTypeRequest {
+  nombre: string
+  hasDuration: boolean
+  requiresText: boolean
+  requiresCategory: boolean
+  isBundle: boolean
+  allowImages: boolean
+  maxImages?: number | null
+  maxImageSizeMB?: number | null
+  maxImageWidth?: number | null
+  maxImageHeight?: number | null
+}
+
+export interface PagedResult<T> {
+  items: T[]
+  page: number
+  pageSize: number
+  total: number
+}
+
+export interface ListProductTypesParams {
+  page?: number
+  pageSize?: number
+  activo?: boolean | null
+  search?: string
+}
diff --git a/src/web/src/router.tsx b/src/web/src/router.tsx
index 94559d9..992cc76 100644
--- a/src/web/src/router.tsx
+++ b/src/web/src/router.tsx
@@ -28,6 +28,7 @@ import { EditPuntoDeVentaPage } from './features/puntos-de-venta/pages/EditPunto
 import { TiposDeIvaPage } from './features/fiscal/iva/pages/TiposDeIvaPage'
 import { TiposDeIibbPage } from './features/fiscal/iibb/pages/TiposDeIibbPage'
 import { RubrosPage } from './features/rubros/pages/RubrosPage'
+import { ProductTypesPage } from './features/product-types/pages/ProductTypesPage'
 import { HomePage } from './pages/HomePage'
 import { PublicLayout } from './layouts/PublicLayout'
 import { ProtectedLayout } from './layouts/ProtectedLayout'
@@ -309,6 +310,16 @@ export function AppRoutes() {
         }
       />
 
+      {/* ProductTypes routes — PRD-001 */}
+      <Route
+        path="/admin/product-types"
+        element={
+          <ProtectedPage requiredPermissions={['catalogo:tipos:gestionar']}>
+            <ProductTypesPage />
+          </ProtectedPage>
+        }
+      />
+
       <Route path="*" element={<Navigate to="/" replace />} />
     </Routes>
   )
diff --git a/src/web/src/tests/features/product-types/DeactivateProductTypeDialog.test.tsx b/src/web/src/tests/features/product-types/DeactivateProductTypeDialog.test.tsx
new file mode 100644
index 0000000..aed12d4
--- /dev/null
+++ b/src/web/src/tests/features/product-types/DeactivateProductTypeDialog.test.tsx
@@ -0,0 +1,99 @@
+import { describe, it, expect, vi } from 'vitest'
+import { render, screen, waitFor } from '@testing-library/react'
+import userEvent from '@testing-library/user-event'
+import { QueryClient, QueryClientProvider } from '@tanstack/react-query'
+import { MemoryRouter } from 'react-router-dom'
+import React from 'react'
+import { DeactivateProductTypeDialog } from '../../../features/product-types/components/DeactivateProductTypeDialog'
+import type { ProductTypeListItem } from '../../../features/product-types/types'
+
+vi.mock('sonner', () => ({ toast: { success: vi.fn(), error: vi.fn() } }))
+
+const sampleProductType: ProductTypeListItem = {
+  id: 1,
+  nombre: 'Clasificados',
+  hasDuration: true,
+  requiresText: false,
+  requiresCategory: false,
+  isBundle: false,
+  allowImages: false,
+  isActive: true,
+}
+
+function wrap(children: React.ReactNode) {
+  const qc = new QueryClient({
+    defaultOptions: { queries: { retry: false }, mutations: { retry: false } },
+  })
+  return render(
+    <QueryClientProvider client={qc}>
+      <MemoryRouter>{children}</MemoryRouter>
+    </QueryClientProvider>,
+  )
+}
+
+describe('DeactivateProductTypeDialog', () => {
+  it('renders confirmation message with product type name', () => {
+    wrap(
+      <DeactivateProductTypeDialog
+        open={true}
+        onOpenChange={vi.fn()}
+        productType={sampleProductType}
+        onConfirm={vi.fn()}
+      />,
+    )
+    expect(screen.getByText(/Clasificados/i)).toBeInTheDocument()
+    expect(screen.getByRole('heading', { name: /desactivar tipo/i })).toBeInTheDocument()
+  })
+
+  it('calls onConfirm with product type id when user confirms', async () => {
+    const onConfirm = vi.fn().mockResolvedValue(undefined)
+    wrap(
+      <DeactivateProductTypeDialog
+        open={true}
+        onOpenChange={vi.fn()}
+        productType={sampleProductType}
+        onConfirm={onConfirm}
+      />,
+    )
+    const buttons = screen.getAllByRole('button', { name: /desactivar/i })
+    const confirmBtn = buttons.find((b) => b.textContent?.trim() === 'Desactivar')!
+    await userEvent.click(confirmBtn)
+    await waitFor(() => expect(onConfirm).toHaveBeenCalledWith(sampleProductType.id))
+  })
+
+  it('shows inline error when backend returns 409 EnUso', async () => {
+    const onConfirm = vi.fn(() =>
+      Promise.reject({
+        response: { status: 409, data: { message: 'No se puede desactivar: el tipo está en uso por Products.' } },
+      }),
+    )
+    wrap(
+      <DeactivateProductTypeDialog
+        open={true}
+        onOpenChange={vi.fn()}
+        productType={sampleProductType}
+        onConfirm={onConfirm}
+      />,
+    )
+    const buttons = screen.getAllByRole('button', { name: /desactivar/i })
+    const confirmBtn = buttons.find((b) => b.textContent?.trim() === 'Desactivar')!
+    await userEvent.click(confirmBtn)
+    await waitFor(() => {
+      expect(screen.getByText(/en uso/i)).toBeInTheDocument()
+    })
+  })
+
+  it('closes dialog when cancel is clicked', async () => {
+    const onOpenChange = vi.fn()
+    wrap(
+      <DeactivateProductTypeDialog
+        open={true}
+        onOpenChange={onOpenChange}
+        productType={sampleProductType}
+        onConfirm={vi.fn()}
+      />,
+    )
+    await userEvent.click(screen.getByRole('button', { name: /cancelar/i }))
+    await waitFor(() => expect(onOpenChange).toHaveBeenCalled())
+  })
+})
diff --git a/src/web/src/tests/features/product-types/ProductTypeForm.test.tsx b/src/web/src/tests/features/product-types/ProductTypeForm.test.tsx
new file mode 100644
index 0000000..4b7db5a
--- /dev/null
+++ b/src/web/src/tests/features/product-types/ProductTypeForm.test.tsx
@@ -0,0 +1,129 @@
+import { describe, it, expect, vi } from 'vitest'
+import { render, screen, waitFor } from '@testing-library/react'
+import userEvent from '@testing-library/user-event'
+import { QueryClient, QueryClientProvider } from '@tanstack/react-query'
+import { MemoryRouter } from 'react-router-dom'
+import React from 'react'
+import { ProductTypeForm } from '../../../features/product-types/components/ProductTypeForm'
+
+vi.mock('sonner', () => ({ toast: { success: vi.fn(), error: vi.fn() } }))
+
+function wrap(children: React.ReactNode) {
+  const qc = new QueryClient({
+    defaultOptions: { queries: { retry: false }, mutations: { retry: false } },
+  })
+  return render(
+    <QueryClientProvider client={qc}>
+      <MemoryRouter>{children}</MemoryRouter>
+    </QueryClientProvider>,
+  )
+}
+
+// ─── ProductTypeForm — field rendering ─────────────────────────────────────
+
+describe('ProductTypeForm — field rendering', () => {
+  it('renders nombre field and all flag checkboxes', () => {
+    wrap(
+      <ProductTypeForm onSubmit={vi.fn()} onCancel={vi.fn()} />,
+    )
+    expect(screen.getByLabelText(/nombre/i)).toBeInTheDocument()
+    expect(screen.getByLabelText('Tiene duración')).toBeInTheDocument()
+    expect(screen.getByLabelText('Requiere texto')).toBeInTheDocument()
+    expect(screen.getByLabelText('Requiere categoría')).toBeInTheDocument()
+    expect(screen.getByLabelText('Es bundle')).toBeInTheDocument()
+    expect(screen.getByLabelText('Permite imágenes')).toBeInTheDocument()
+  })
+
+  it('renders multimedia fields when allowImages is true', async () => {
+    wrap(
+      <ProductTypeForm onSubmit={vi.fn()} onCancel={vi.fn()} defaultValues={{ allowImages: true }} />,
+    )
+    expect(screen.getByLabelText('Máx. imágenes')).toBeInTheDocument()
+    expect(screen.getByLabelText('Máx. tamaño (MB)')).toBeInTheDocument()
+    expect(screen.getByLabelText('Ancho máx. (px)')).toBeInTheDocument()
+    expect(screen.getByLabelText('Alto máx. (px)')).toBeInTheDocument()
+  })
+
+  it('disables multimedia fields when allowImages is false', () => {
+    wrap(
+      <ProductTypeForm onSubmit={vi.fn()} onCancel={vi.fn()} defaultValues={{ allowImages: false }} />,
+    )
+    expect(screen.getByLabelText('Máx. imágenes')).toBeDisabled()
+    expect(screen.getByLabelText('Máx. tamaño (MB)')).toBeDisabled()
+    expect(screen.getByLabelText('Ancho máx. (px)')).toBeDisabled()
+    expect(screen.getByLabelText('Alto máx. (px)')).toBeDisabled()
+  })
+})
+
+// ─── ProductTypeForm — allowImages toggle ──────────────────────────────────
+
+describe('ProductTypeForm — allowImages toggle', () => {
+  it('enables multimedia fields after toggling allowImages on', async () => {
+    wrap(
+      <ProductTypeForm onSubmit={vi.fn()} onCancel={vi.fn()} defaultValues={{ allowImages: false }} />,
+    )
+    const allowImagesCheckbox = screen.getByLabelText('Permite imágenes')
+    await userEvent.click(allowImagesCheckbox)
+    await waitFor(() => {
+      expect(screen.getByLabelText('Máx. imágenes')).not.toBeDisabled()
+    })
+  })
+})
+
+// ─── ProductTypeForm — validation ─────────────────────────────────────────
+
+describe('ProductTypeForm — zod validation', () => {
+  it('shows validation error when nombre is empty', async () => {
+    wrap(
+      <ProductTypeForm onSubmit={vi.fn()} onCancel={vi.fn()} />,
+    )
+    await userEvent.click(screen.getByRole('button', { name: /guardar|crear/i }))
+    await waitFor(() => {
+      expect(screen.getByText(/nombre.*requerido/i)).toBeInTheDocument()
+    })
+  })
+
+  it('calls onSubmit with correct payload when form is valid', async () => {
+    const onSubmit = vi.fn()
+    wrap(
+      <ProductTypeForm onSubmit={onSubmit} onCancel={vi.fn()} />,
+    )
+    await userEvent.type(screen.getByLabelText(/nombre/i), 'Clasificados')
+    await userEvent.click(screen.getByRole('button', { name: /guardar|crear/i }))
+    await waitFor(() => {
+      expect(onSubmit).toHaveBeenCalled()
+      const payload = onSubmit.mock.calls[0][0]
+      expect(payload).toMatchObject({ nombre: 'Clasificados' })
+    })
+  })
+
+  it('normalizes multimedia fields to null when allowImages is false on submit', async () => {
+    const onSubmit = vi.fn()
+    wrap(
+      <ProductTypeForm onSubmit={onSubmit} onCancel={vi.fn()} defaultValues={{ allowImages: false }} />,
+    )
+    await userEvent.type(screen.getByLabelText(/nombre/i), 'Sin imágenes')
+    await userEvent.click(screen.getByRole('button', { name: /guardar|crear/i }))
+    await waitFor(() => {
+      expect(onSubmit).toHaveBeenCalled()
+      const payload = onSubmit.mock.calls[0][0]
+      expect(payload.maxImages).toBeNull()
+      expect(payload.maxImageSizeMB).toBeNull()
+      expect(payload.maxImageWidth).toBeNull()
+      expect(payload.maxImageHeight).toBeNull()
+    })
+  })
+})
+
+// ─── ProductTypeForm — cancel ──────────────────────────────────────────────
+
+describe('ProductTypeForm — cancel', () => {
+  it('calls onCancel when cancel button is clicked', async () => {
+    const onCancel = vi.fn()
+    wrap(
+      <ProductTypeForm onSubmit={vi.fn()} onCancel={onCancel} />,
+    )
+    await userEvent.click(screen.getByRole('button', { name: /cancelar/i }))
+    expect(onCancel).toHaveBeenCalled()
+  })
+})
diff --git a/src/web/src/tests/features/product-types/ProductTypeFormDialog.test.tsx b/src/web/src/tests/features/product-types/ProductTypeFormDialog.test.tsx
new file mode 100644
index 0000000..aa4b3fe
--- /dev/null
+++ b/src/web/src/tests/features/product-types/ProductTypeFormDialog.test.tsx
@@ -0,0 +1,138 @@
+import { describe, it, expect, vi, beforeAll, afterAll, afterEach } from 'vitest'
+import { render, screen, waitFor } from '@testing-library/react'
+import userEvent from '@testing-library/user-event'
+import { http, HttpResponse } from 'msw'
+import { setupServer } from 'msw/node'
+import { QueryClient, QueryClientProvider } from '@tanstack/react-query'
+import { MemoryRouter } from 'react-router-dom'
+import React from 'react'
+import { ProductTypeFormDialog } from '../../../features/product-types/components/ProductTypeFormDialog'
+import type { ProductTypeDetail } from '../../../features/product-types/types'
+
+vi.mock('sonner', () => ({ toast: { success: vi.fn(), error: vi.fn() } }))
+
+const API_URL = 'http://localhost:5000'
+
+const mockDetail: ProductTypeDetail = {
+  id: 1,
+  nombre: 'Clasificados',
+  hasDuration: true,
+  requiresText: true,
+  requiresCategory: false,
+  isBundle: false,
+  allowImages: false,
+  maxImages: null,
+  maxImageSizeMB: null,
+  maxImageWidth: null,
+  maxImageHeight: null,
+  isActive: true,
+  fechaCreacion: '2026-04-19T00:00:00Z',
+  fechaModificacion: null,
+}
+
+const server = setupServer()
+
+beforeAll(() => server.listen({ onUnhandledRequest: 'error' }))
+afterEach(() => {
+  server.resetHandlers()
+  vi.clearAllMocks()
+})
+afterAll(() => server.close())
+
+function wrap(children: React.ReactNode) {
+  const qc = new QueryClient({
+    defaultOptions: { queries: { retry: false }, mutations: { retry: false } },
+  })
+  return render(
+    <QueryClientProvider client={qc}>
+      <MemoryRouter>{children}</MemoryRouter>
+    </QueryClientProvider>,
+  )
+}
+
+// ─── ProductTypeFormDialog — create mode ──────────────────────────────────
+
+describe('ProductTypeFormDialog — create mode', () => {
+  it('renders create dialog title when no productType prop', () => {
+    wrap(
+      <ProductTypeFormDialog open={true} onOpenChange={vi.fn()} />,
+    )
+    expect(screen.getByRole('heading', { name: /nuevo tipo/i })).toBeInTheDocument()
+  })
+
+  it('has aria-describedby on DialogDescription (NFR8)', () => {
+    wrap(
+      <ProductTypeFormDialog open={true} onOpenChange={vi.fn()} />,
+    )
+    const desc = screen.getByText(/completá los datos/i)
+    expect(desc).toBeInTheDocument()
+  })
+
+  it('calls create mutation and closes dialog on success', async () => {
+    server.use(
+      http.post(`${API_URL}/api/v1/admin/product-types`, () =>
+        HttpResponse.json({ id: 5, nombre: 'Nuevo Tipo' }, { status: 201 }),
+      ),
+    )
+    const onOpenChange = vi.fn()
+    wrap(
+      <ProductTypeFormDialog open={true} onOpenChange={onOpenChange} />,
+    )
+    await userEvent.type(screen.getByLabelText(/nombre/i), 'Nuevo Tipo')
+    await userEvent.click(screen.getByRole('button', { name: /guardar|crear/i }))
+    await waitFor(() => {
+      expect(onOpenChange).toHaveBeenCalledWith(false)
+    })
+  })
+
+  it('shows inline error when backend returns 409 NombreDuplicado', async () => {
+    server.use(
+      http.post(`${API_URL}/api/v1/admin/product-types`, () =>
+        HttpResponse.json(
+          { error: 'producto_tipo_nombre_duplicado', message: 'Ya existe un tipo con ese nombre' },
+          { status: 409 },
+        ),
+      ),
+    )
+    wrap(
+      <ProductTypeFormDialog open={true} onOpenChange={vi.fn()} />,
+    )
+    await userEvent.type(screen.getByLabelText(/nombre/i), 'Duplicado')
+    await userEvent.click(screen.getByRole('button', { name: /guardar|crear/i }))
+    await waitFor(() => {
+      expect(screen.getByText(/ya existe un tipo con ese nombre/i)).toBeInTheDocument()
+    })
+  })
+})
+
+// ─── ProductTypeFormDialog — edit mode ────────────────────────────────────
+
+describe('ProductTypeFormDialog — edit mode', () => {
+  it('renders edit dialog title and pre-fills nombre', () => {
+    wrap(
+      <ProductTypeFormDialog open={true} onOpenChange={vi.fn()} productType={mockDetail} />,
+    )
+    expect(screen.getByRole('heading', { name: /editar tipo/i })).toBeInTheDocument()
+    const input = screen.getByLabelText(/nombre/i) as HTMLInputElement
+    expect(input.value).toBe('Clasificados')
+  })
+
+  it('calls update mutation and closes dialog on success', async () => {
+    server.use(
+      http.put(`${API_URL}/api/v1/admin/product-types/1`, () =>
+        HttpResponse.json({ ...mockDetail, nombre: 'Modificado' }),
+      ),
+    )
+    const onOpenChange = vi.fn()
+    wrap(
+      <ProductTypeFormDialog open={true} onOpenChange={onOpenChange} productType={mockDetail} />,
+    )
+    const input = screen.getByLabelText(/nombre/i) as HTMLInputElement
+    await userEvent.clear(input)
+    await userEvent.type(input, 'Modificado')
+    await userEvent.click(screen.getByRole('button', { name: /guardar/i }))
+    await waitFor(() => {
+      expect(onOpenChange).toHaveBeenCalledWith(false)
+    })
+  })
+})
diff --git a/src/web/src/tests/features/product-types/ProductTypesPage.test.tsx b/src/web/src/tests/features/product-types/ProductTypesPage.test.tsx
new file mode 100644
index 0000000..b96fe1a
--- /dev/null
+++ b/src/web/src/tests/features/product-types/ProductTypesPage.test.tsx
@@ -0,0 +1,204 @@
+import { describe, it, expect, beforeAll, afterAll, afterEach, vi } from 'vitest'
+import { render, screen, waitFor } from '@testing-library/react'
+import userEvent from '@testing-library/user-event'
+import { http, HttpResponse } from 'msw'
+import { setupServer } from 'msw/node'
+import { QueryClient, QueryClientProvider } from '@tanstack/react-query'
+import { MemoryRouter, Routes, Route } from 'react-router-dom'
+import React from 'react'
+import { ProductTypesPage } from '../../../features/product-types/pages/ProductTypesPage'
+import { useAuthStore } from '../../../stores/authStore'
+import type { ProductTypeListItem, PagedResult } from '../../../features/product-types/types'
+
+const API_URL = 'http://localhost:5000'
+
+vi.mock('sonner', () => ({
+  toast: { success: vi.fn(), error: vi.fn() },
+}))
+
+const adminUser = {
+  id: 1,
+  username: 'admin',
+  nombre: 'Admin',
+  rol: 'admin',
+  permisos: ['catalogo:tipos:gestionar'],
+  mustChangePassword: false,
+}
+
+const regularUser = {
+  id: 2,
+  username: 'viewer',
+  nombre: 'Viewer',
+  rol: 'viewer',
+  permisos: [],
+  mustChangePassword: false,
+}
+
+const mockItem: ProductTypeListItem = {
+  id: 1,
+  nombre: 'Clasificados',
+  hasDuration: true,
+  requiresText: true,
+  requiresCategory: false,
+  isBundle: false,
+  allowImages: false,
+  isActive: true,
+}
+
+const mockPaged: PagedResult<ProductTypeListItem> = {
+  items: [mockItem],
+  page: 1,
+  pageSize: 20,
+  total: 1,
+}
+
+const emptyPaged: PagedResult<ProductTypeListItem> = {
+  items: [],
+  page: 1,
+  pageSize: 20,
+  total: 0,
+}
+
+const server = setupServer()
+
+beforeAll(() => server.listen({ onUnhandledRequest: 'error' }))
+afterEach(() => {
+  server.resetHandlers()
+  useAuthStore.getState().clearAuth()
+  vi.clearAllMocks()
+})
+afterAll(() => server.close())
+
+function renderPage(user = adminUser) {
+  useAuthStore.setState({ user })
+  const qc = new QueryClient({
+    defaultOptions: { queries: { retry: false }, mutations: { retry: false } },
+  })
+  return render(
+    <QueryClientProvider client={qc}>
+      <MemoryRouter initialEntries={['/admin/product-types']}>
+        <Routes>
+          <Route path="/admin/product-types" element={<ProductTypesPage />} />
+        </Routes>
+      </MemoryRouter>
+    </QueryClientProvider>,
+  )
+}
+
+// ─── Loading / Error / Data states ──────────────────────────────────────────
+
+describe('ProductTypesPage — loading and error states', () => {
+  it('renders loading skeleton while fetching', () => {
+    server.use(
+      http.get(`${API_URL}/api/v1/product-types`, async () => {
+        await new Promise(() => {})
+        return HttpResponse.json(emptyPaged)
+      }),
+    )
+    renderPage()
+    // During loading, skeletons are shown — verify they are rendered
+    const skeletons = document.querySelectorAll('[class*="skeleton"], .animate-pulse')
+    expect(skeletons.length).toBeGreaterThan(0)
+  })
+
+  it('renders data when loaded', async () => {
+    server.use(
+      http.get(`${API_URL}/api/v1/product-types`, () => HttpResponse.json(mockPaged)),
+    )
+    renderPage()
+    await waitFor(() => expect(screen.getByText('Clasificados')).toBeInTheDocument())
+  })
+
+  it('shows error state on fetch failure', async () => {
+    server.use(
+      http.get(`${API_URL}/api/v1/product-types`, () =>
+        HttpResponse.json({ error: 'server_error' }, { status: 500 }),
+      ),
+    )
+    renderPage()
+    await waitFor(() =>
+      expect(screen.getByText(/error al cargar tipos de producto/i)).toBeInTheDocument(),
+    )
+  })
+
+  it('shows empty state when no product types', async () => {
+    server.use(
+      http.get(`${API_URL}/api/v1/product-types`, () => HttpResponse.json(emptyPaged)),
+    )
+    renderPage()
+    await waitFor(() =>
+      expect(screen.getByText(/no hay tipos de producto/i)).toBeInTheDocument(),
+    )
+  })
+})
+
+// ─── Create dialog ───────────────────────────────────────────────────────────
+
+describe('ProductTypesPage — create dialog', () => {
+  it('opens create dialog when "Nuevo Tipo" button is clicked', async () => {
+    server.use(
+      http.get(`${API_URL}/api/v1/product-types`, () => HttpResponse.json(mockPaged)),
+    )
+    renderPage(adminUser)
+    await waitFor(() => expect(screen.getByRole('button', { name: /nuevo tipo/i })).toBeInTheDocument())
+    await userEvent.click(screen.getByRole('button', { name: /nuevo tipo/i }))
+    await waitFor(() =>
+      expect(screen.getByRole('heading', { name: /nuevo tipo de producto/i })).toBeInTheDocument(),
+    )
+  })
+
+  it('opens create dialog from empty state CTA', async () => {
+    server.use(
+      http.get(`${API_URL}/api/v1/product-types`, () => HttpResponse.json(emptyPaged)),
+    )
+    renderPage(adminUser)
+    await waitFor(() => expect(screen.getByRole('button', { name: /crear primer tipo/i })).toBeInTheDocument())
+    await userEvent.click(screen.getByRole('button', { name: /crear primer tipo/i }))
+    await waitFor(() =>
+      expect(screen.getByRole('heading', { name: /nuevo tipo de producto/i })).toBeInTheDocument(),
+    )
+  })
+
+  it('hides "Nuevo Tipo" button when user lacks permission', async () => {
+    server.use(
+      http.get(`${API_URL}/api/v1/product-types`, () => HttpResponse.json(mockPaged)),
+    )
+    renderPage(regularUser)
+    await waitFor(() => expect(screen.getByText('Clasificados')).toBeInTheDocument())
+    expect(screen.queryByRole('button', { name: /nuevo tipo/i })).not.toBeInTheDocument()
+  })
+})
+
+// ─── Edit dialog ─────────────────────────────────────────────────────────────
+
+describe('ProductTypesPage — edit dialog', () => {
+  it('opens edit dialog pre-filled when Edit button is clicked', async () => {
+    server.use(
+      http.get(`${API_URL}/api/v1/product-types`, () => HttpResponse.json(mockPaged)),
+    )
+    renderPage(adminUser)
+    await waitFor(() => expect(screen.getByText('Clasificados')).toBeInTheDocument())
+    await userEvent.click(screen.getByRole('button', { name: /editar/i }))
+    await waitFor(() =>
+      expect(screen.getByRole('heading', { name: /editar tipo/i })).toBeInTheDocument(),
+    )
+    const input = screen.getByLabelText(/nombre/i) as HTMLInputElement
+    expect(input.value).toBe('Clasificados')
+  })
+})
+
+// ─── Deactivate dialog ───────────────────────────────────────────────────────
+
+describe('ProductTypesPage — deactivate dialog', () => {
+  it('opens deactivate confirmation dialog when Desactivar is clicked', async () => {
+    server.use(
+      http.get(`${API_URL}/api/v1/product-types`, () => HttpResponse.json(mockPaged)),
+    )
+    renderPage(adminUser)
+    await waitFor(() => expect(screen.getByText('Clasificados')).toBeInTheDocument())
+    await userEvent.click(screen.getByRole('button', { name: /desactivar/i }))
+    await waitFor(() =>
+      expect(screen.getByRole('heading', { name: /desactivar tipo de producto/i })).toBeInTheDocument(),
+    )
+  })
+})
diff --git a/src/web/src/tests/features/product-types/api.test.ts b/src/web/src/tests/features/product-types/api.test.ts
new file mode 100644
index 0000000..12c178d
--- /dev/null
+++ b/src/web/src/tests/features/product-types/api.test.ts
@@ -0,0 +1,137 @@
+import { describe, it, expect, beforeAll, afterAll, afterEach } from 'vitest'
+import { http, HttpResponse } from 'msw'
+import { setupServer } from 'msw/node'
+import { listProductTypes } from '../../../features/product-types/api/listProductTypes'
+import { getProductTypeById } from '../../../features/product-types/api/getProductTypeById'
+import { createProductType } from '../../../features/product-types/api/createProductType'
+import { updateProductType } from '../../../features/product-types/api/updateProductType'
+import { deactivateProductType } from '../../../features/product-types/api/deactivateProductType'
+import type { ProductTypeListItem, ProductTypeDetail, PagedResult } from '../../../features/product-types/types'
+
+const API_URL = 'http://localhost:5000'
+
+const mockListItem: ProductTypeListItem = {
+  id: 1,
+  nombre: 'Avisos Clasificados',
+  hasDuration: true,
+  requiresText: true,
+  requiresCategory: true,
+  isBundle: false,
+  allowImages: true,
+  isActive: true,
+}
+
+const mockDetail: ProductTypeDetail = {
+  id: 1,
+  nombre: 'Avisos Clasificados',
+  hasDuration: true,
+  requiresText: true,
+  requiresCategory: true,
+  isBundle: false,
+  allowImages: true,
+  maxImages: 5,
+  maxImageSizeMB: 2.5,
+  maxImageWidth: 800,
+  maxImageHeight: 600,
+  isActive: true,
+  fechaCreacion: '2026-04-19T00:00:00Z',
+  fechaModificacion: null,
+}
+
+const mockPaged: PagedResult<ProductTypeListItem> = {
+  items: [mockListItem],
+  page: 1,
+  pageSize: 20,
+  total: 1,
+}
+
+const server = setupServer()
+
+beforeAll(() => server.listen({ onUnhandledRequest: 'error' }))
+afterEach(() => server.resetHandlers())
+afterAll(() => server.close())
+
+describe('listProductTypes', () => {
+  it('calls GET /api/v1/product-types and returns paged result', async () => {
+    server.use(
+      http.get(`${API_URL}/api/v1/product-types`, () => HttpResponse.json(mockPaged)),
+    )
+    const result = await listProductTypes()
+    expect(result).toEqual(mockPaged)
+  })
+
+  it('passes query params when provided', async () => {
+    let capturedUrl = ''
+    server.use(
+      http.get(`${API_URL}/api/v1/product-types`, ({ request }) => {
+        capturedUrl = request.url
+        return HttpResponse.json(mockPaged)
+      }),
+    )
+    await listProductTypes({ page: 2, pageSize: 10, activo: true, search: 'test' })
+    expect(capturedUrl).toContain('page=2')
+    expect(capturedUrl).toContain('pageSize=10')
+    expect(capturedUrl).toContain('search=test')
+  })
+})
+
+describe('getProductTypeById', () => {
+  it('calls GET /api/v1/product-types/:id and returns detail', async () => {
+    server.use(
+      http.get(`${API_URL}/api/v1/product-types/1`, () => HttpResponse.json(mockDetail)),
+    )
+    const result = await getProductTypeById(1)
+    expect(result).toEqual(mockDetail)
+  })
+})
+
+describe('createProductType', () => {
+  it('calls POST /api/v1/admin/product-types with payload', async () => {
+    let capturedBody: unknown = null
+    server.use(
+      http.post(`${API_URL}/api/v1/admin/product-types`, async ({ request }) => {
+        capturedBody = await request.json()
+        return HttpResponse.json(mockDetail, { status: 201 })
+      }),
+    )
+    const req = {
+      nombre: 'Avisos Clasificados',
+      hasDuration: true,
+      requiresText: true,
+      requiresCategory: false,
+      isBundle: false,
+      allowImages: true,
+    }
+    await createProductType(req)
+    expect(capturedBody).toEqual(req)
+  })
+})
+
+describe('updateProductType', () => {
+  it('calls PUT /api/v1/admin/product-types/:id with payload', async () => {
+    let capturedBody: unknown = null
+    server.use(
+      http.put(`${API_URL}/api/v1/admin/product-types/1`, async ({ request }) => {
+        capturedBody = await request.json()
+        return HttpResponse.json(mockDetail)
+      }),
+    )
+    const req = { nombre: 'Modificado', hasDuration: false, requiresText: false, requiresCategory: false, isBundle: false, allowImages: false }
+    await updateProductType(1, req)
+    expect(capturedBody).toEqual(req)
+  })
+})
+
+describe('deactivateProductType', () => {
+  it('calls DELETE /api/v1/admin/product-types/:id', async () => {
+    let called = false
+    server.use(
+      http.delete(`${API_URL}/api/v1/admin/product-types/1`, () => {
+        called = true
+        return new HttpResponse(null, { status: 204 })
+      }),
+    )
+    await deactivateProductType(1)
+    expect(called).toBe(true)
+  })
+})
diff --git a/src/web/src/tests/features/product-types/hooks.test.ts b/src/web/src/tests/features/product-types/hooks.test.ts
new file mode 100644
index 0000000..4613183
--- /dev/null
+++ b/src/web/src/tests/features/product-types/hooks.test.ts
@@ -0,0 +1,148 @@
+import { describe, it, expect, beforeAll, afterAll, afterEach, vi } from 'vitest'
+import { renderHook, waitFor, act } from '@testing-library/react'
+import { http, HttpResponse } from 'msw'
+import { setupServer } from 'msw/node'
+import { QueryClient, QueryClientProvider } from '@tanstack/react-query'
+import React from 'react'
+import { useProductTypes } from '../../../features/product-types/hooks/useProductTypes'
+import { useCreateProductType } from '../../../features/product-types/hooks/useCreateProductType'
+import { useUpdateProductType } from '../../../features/product-types/hooks/useUpdateProductType'
+import { useDeactivateProductType } from '../../../features/product-types/hooks/useDeactivateProductType'
+import type { ProductTypeListItem, PagedResult } from '../../../features/product-types/types'
+
+const API_URL = 'http://localhost:5000'
+
+const mockItem: ProductTypeListItem = {
+  id: 1,
+  nombre: 'Avisos',
+  hasDuration: false,
+  requiresText: false,
+  requiresCategory: false,
+  isBundle: false,
+  allowImages: false,
+  isActive: true,
+}
+
+const mockPaged: PagedResult<ProductTypeListItem> = {
+  items: [mockItem],
+  page: 1,
+  pageSize: 20,
+  total: 1,
+}
+
+const server = setupServer()
+
+beforeAll(() => server.listen({ onUnhandledRequest: 'error' }))
+afterEach(() => {
+  server.resetHandlers()
+  vi.clearAllMocks()
+})
+afterAll(() => server.close())
+
+function makeWrapper() {
+  const qc = new QueryClient({
+    defaultOptions: { queries: { retry: false }, mutations: { retry: false } },
+  })
+  return ({ children }: { children: React.ReactNode }) =>
+    React.createElement(QueryClientProvider, { client: qc }, children)
+}
+
+describe('useProductTypes', () => {
+  it('returns paged data on success', async () => {
+    server.use(
+      http.get(`${API_URL}/api/v1/product-types`, () => HttpResponse.json(mockPaged)),
+    )
+    const { result } = renderHook(() => useProductTypes(), { wrapper: makeWrapper() })
+    await waitFor(() => expect(result.current.isSuccess).toBe(true))
+    expect(result.current.data).toEqual(mockPaged)
+  })
+
+  it('returns error state on failure', async () => {
+    server.use(
+      http.get(`${API_URL}/api/v1/product-types`, () =>
+        HttpResponse.json({ error: 'server_error' }, { status: 500 }),
+      ),
+    )
+    const { result } = renderHook(() => useProductTypes(), { wrapper: makeWrapper() })
+    await waitFor(() => expect(result.current.isError).toBe(true))
+  })
+})
+
+describe('useCreateProductType', () => {
+  it('calls create and invalidates product-types queries on success', async () => {
+    server.use(
+      http.post(`${API_URL}/api/v1/admin/product-types`, () =>
+        HttpResponse.json(mockItem, { status: 201 }),
+      ),
+    )
+    const qc = new QueryClient({
+      defaultOptions: { queries: { retry: false }, mutations: { retry: false } },
+    })
+    const invalidateSpy = vi.spyOn(qc, 'invalidateQueries')
+    const wrapper = ({ children }: { children: React.ReactNode }) =>
+      React.createElement(QueryClientProvider, { client: qc }, children)
+
+    const { result } = renderHook(() => useCreateProductType(), { wrapper })
+    await act(async () => {
+      result.current.mutate({
+        nombre: 'Nuevo',
+        hasDuration: false,
+        requiresText: false,
+        requiresCategory: false,
+        isBundle: false,
+        allowImages: false,
+      })
+    })
+    await waitFor(() => expect(result.current.isSuccess).toBe(true))
+    expect(invalidateSpy).toHaveBeenCalledWith({ queryKey: ['product-types'] })
+  })
+})
+
+describe('useUpdateProductType', () => {
+  it('calls update and invalidates product-types queries on success', async () => {
+    server.use(
+      http.put(`${API_URL}/api/v1/admin/product-types/1`, () =>
+        HttpResponse.json(mockItem),
+      ),
+    )
+    const qc = new QueryClient({
+      defaultOptions: { queries: { retry: false }, mutations: { retry: false } },
+    })
+    const invalidateSpy = vi.spyOn(qc, 'invalidateQueries')
+    const wrapper = ({ children }: { children: React.ReactNode }) =>
+      React.createElement(QueryClientProvider, { client: qc }, children)
+
+    const { result } = renderHook(() => useUpdateProductType(), { wrapper })
+    await act(async () => {
+      result.current.mutate({
+        id: 1,
+        data: { nombre: 'Modificado', hasDuration: false, requiresText: false, requiresCategory: false, isBundle: false, allowImages: false },
+      })
+    })
+    await waitFor(() => expect(result.current.isSuccess).toBe(true))
+    expect(invalidateSpy).toHaveBeenCalledWith({ queryKey: ['product-types'] })
+  })
+})
+
+describe('useDeactivateProductType', () => {
+  it('calls deactivate and invalidates product-types queries on success', async () => {
+    server.use(
+      http.delete(`${API_URL}/api/v1/admin/product-types/1`, () =>
+        new HttpResponse(null, { status: 204 }),
+      ),
+    )
+    const qc = new QueryClient({
+      defaultOptions: { queries: { retry: false }, mutations: { retry: false } },
+    })
+    const invalidateSpy = vi.spyOn(qc, 'invalidateQueries')
+    const wrapper = ({ children }: { children: React.ReactNode }) =>
+      React.createElement(QueryClientProvider, { client: qc }, children)
+
+    const { result } = renderHook(() => useDeactivateProductType(), { wrapper })
+    await act(async () => {
+      result.current.mutate(1)
+    })
+    await waitFor(() => expect(result.current.isSuccess).toBe(true))
+    expect(invalidateSpy).toHaveBeenCalledWith({ queryKey: ['product-types'] })
+  })
+})
diff --git a/tests/SIGCM2.Api.Tests/Auth/AuthControllerTests.cs b/tests/SIGCM2.Api.Tests/Auth/AuthControllerTests.cs
index 5649e52..062b771 100644
--- a/tests/SIGCM2.Api.Tests/Auth/AuthControllerTests.cs
+++ b/tests/SIGCM2.Api.Tests/Auth/AuthControllerTests.cs
@@ -50,8 +50,9 @@ public class AuthControllerTests
         // V011 (ADM-001) adds 'administracion:secciones:gestionar' → 22
         // V013 (ADM-008) adds 'administracion:puntos_de_venta:gestionar' → 23
         // V014 (ADM-009) adds 'administracion:fiscal:gestionar' → 24
-        // V016 (CAT-001) adds 'catalogo:rubros:gestionar' → 25 total
-        Assert.Equal(25, permisos.GetArrayLength());
+        // V016 (CAT-001) adds 'catalogo:rubros:gestionar' → 25
+        // V017 (PRD-001) adds 'catalogo:tipos:gestionar' → 26 total
+        Assert.Equal(26, permisos.GetArrayLength());
     }
 
     // Scenario: invalid credentials return 401 with opaque error
diff --git a/tests/SIGCM2.Api.Tests/Permisos/PermisosEndpointTests.cs b/tests/SIGCM2.Api.Tests/Permisos/PermisosEndpointTests.cs
index 4fa9e24..372509b 100644
--- a/tests/SIGCM2.Api.Tests/Permisos/PermisosEndpointTests.cs
+++ b/tests/SIGCM2.Api.Tests/Permisos/PermisosEndpointTests.cs
@@ -129,7 +129,7 @@ public sealed class PermisosEndpointTests : IAsyncLifetime
     // ── GET /api/v1/permisos — catalog ───────────────────────────────────────
 
     [Fact]
-    public async Task GetPermisos_WithAdmin_Returns200With25Items()
+    public async Task GetPermisos_WithAdmin_Returns200With26Items()
     {
         var token = await GetBearerTokenAsync(AdminUsername, AdminPassword);
         using var req = BuildRequest(HttpMethod.Get, "/api/v1/permisos", bearerToken: token);
@@ -140,8 +140,9 @@ public sealed class PermisosEndpointTests : IAsyncLifetime
         // V011 (ADM-001) adds 'administracion:secciones:gestionar' → 22
         // V013 (ADM-008) adds 'administracion:puntos_de_venta:gestionar' → 23
         // V014 (ADM-009) adds 'administracion:fiscal:gestionar' → 24
-        // V016 (CAT-001) adds 'catalogo:rubros:gestionar' → 25 total
-        Assert.Equal(25, list.GetArrayLength());
+        // V016 (CAT-001) adds 'catalogo:rubros:gestionar' → 25
+        // V017 (PRD-001) adds 'catalogo:tipos:gestionar' → 26 total
+        Assert.Equal(26, list.GetArrayLength());
     }
 
     [Fact]
@@ -184,7 +185,7 @@ public sealed class PermisosEndpointTests : IAsyncLifetime
     // ── GET /api/v1/roles/{codigo}/permisos ──────────────────────────────────
 
     [Fact]
-    public async Task GetRolPermisos_AdminRol_Returns200With25Items()
+    public async Task GetRolPermisos_AdminRol_Returns200With26Items()
     {
         var token = await GetBearerTokenAsync(AdminUsername, AdminPassword);
         using var req = BuildRequest(HttpMethod.Get, "/api/v1/roles/admin/permisos", bearerToken: token);
@@ -195,8 +196,9 @@ public sealed class PermisosEndpointTests : IAsyncLifetime
         // V011 (ADM-001) adds 'administracion:secciones:gestionar' → 22
         // V013 (ADM-008) adds 'administracion:puntos_de_venta:gestionar' → 23
         // V014 (ADM-009) adds 'administracion:fiscal:gestionar' → 24
-        // V016 (CAT-001) adds 'catalogo:rubros:gestionar' → 25 total
-        Assert.Equal(25, list.GetArrayLength());
+        // V016 (CAT-001) adds 'catalogo:rubros:gestionar' → 25
+        // V017 (PRD-001) adds 'catalogo:tipos:gestionar' → 26 total
+        Assert.Equal(26, list.GetArrayLength());
     }
 
     [Fact]
diff --git a/tests/SIGCM2.Api.Tests/ProductTypes/ProductTypesControllerTests.cs b/tests/SIGCM2.Api.Tests/ProductTypes/ProductTypesControllerTests.cs
new file mode 100644
index 0000000..8ddc743
--- /dev/null
+++ b/tests/SIGCM2.Api.Tests/ProductTypes/ProductTypesControllerTests.cs
@@ -0,0 +1,265 @@
+using System.Net;
+using System.Net.Http.Headers;
+using System.Net.Http.Json;
+using System.Text.Json;
+using SIGCM2.TestSupport;
+
+namespace SIGCM2.Api.Tests.ProductTypes;
+
+/// <summary>
+/// PRD-001 — Integration tests for /api/v1/product-types and /api/v1/admin/product-types.
+/// Read endpoints require authentication (any role).
+/// Write endpoints require permission 'catalogo:tipos:gestionar'.
+/// Verifies HTTP status codes, response shapes, and ExceptionFilter mappings.
+/// </summary>
+[Collection("ApiIntegration")]
+public sealed class ProductTypesControllerTests : IAsyncLifetime
+{
+    private const string ReadEndpoint = "/api/v1/product-types";
+    private const string AdminEndpoint = "/api/v1/admin/product-types";
+    private const string AdminUsername = "admin";
+    private const string AdminPassword = "@Diego550@";
+
+    private readonly HttpClient _client;
+
+    public ProductTypesControllerTests(TestWebAppFactory factory)
+    {
+        _client = factory.CreateClient();
+    }
+
+    public Task InitializeAsync() => Task.CompletedTask;
+    public Task DisposeAsync() => Task.CompletedTask;
+
+    // ── Helpers ───────────────────────────────────────────────────────────────
+
+    private async Task<string> GetAdminTokenAsync()
+    {
+        var response = await _client.PostAsJsonAsync("/api/v1/auth/login", new
+        {
+            username = AdminUsername,
+            password = AdminPassword
+        });
+        response.EnsureSuccessStatusCode();
+        var json = await response.Content.ReadFromJsonAsync<JsonElement>();
+        return json.GetProperty("accessToken").GetString()!;
+    }
+
+    private HttpRequestMessage BuildRequest(HttpMethod method, string url, object? body = null, string? bearerToken = null)
+    {
+        var request = new HttpRequestMessage(method, url);
+        if (bearerToken is not null)
+            request.Headers.Authorization = new AuthenticationHeaderValue("Bearer", bearerToken);
+        if (body is not null)
+            request.Content = JsonContent.Create(body);
+        return request;
+    }
+
+    // ── 401 guards on READ endpoints ───────────────────────────────────────────
+
+    [Fact]
+    public async Task List_WithoutAuth_Returns401()
+    {
+        using var req = BuildRequest(HttpMethod.Get, ReadEndpoint);
+        var resp = await _client.SendAsync(req);
+        Assert.Equal(HttpStatusCode.Unauthorized, resp.StatusCode);
+    }
+
+    [Fact]
+    public async Task GetById_WithoutAuth_Returns401()
+    {
+        using var req = BuildRequest(HttpMethod.Get, $"{ReadEndpoint}/999999");
+        var resp = await _client.SendAsync(req);
+        Assert.Equal(HttpStatusCode.Unauthorized, resp.StatusCode);
+    }
+
+    // ── 401 / 403 guards on WRITE endpoints ───────────────────────────────────
+
+    [Fact]
+    public async Task Create_WithoutAuth_Returns401()
+    {
+        using var req = BuildRequest(HttpMethod.Post, AdminEndpoint, new { nombre = "Test" });
+        var resp = await _client.SendAsync(req);
+        Assert.Equal(HttpStatusCode.Unauthorized, resp.StatusCode);
+    }
+
+    // ── POST /api/v1/admin/product-types ──────────────────────────────────────
+
+    [Fact]
+    public async Task Create_WithAdmin_Returns201WithId()
+    {
+        var token = await GetAdminTokenAsync();
+        var uniqueName = $"Tipo_Create_{Guid.NewGuid():N}";
+
+        using var req = BuildRequest(HttpMethod.Post, AdminEndpoint, new
+        {
+            nombre = uniqueName,
+            hasDuration = true,
+            requiresText = false,
+            requiresCategory = false,
+            isBundle = false,
+            allowImages = true,
+            maxImages = 3,
+            maxImageSizeMB = 1.5,
+            maxImageWidth = (int?)null,
+            maxImageHeight = (int?)null
+        }, token);
+
+        var resp = await _client.SendAsync(req);
+
+        Assert.Equal(HttpStatusCode.Created, resp.StatusCode);
+        var json = await resp.Content.ReadFromJsonAsync<JsonElement>();
+        Assert.True(json.GetProperty("id").GetInt32() > 0);
+        Assert.Equal(uniqueName, json.GetProperty("nombre").GetString());
+        Assert.True(json.GetProperty("isActive").GetBoolean());
+    }
+
+    [Fact]
+    public async Task Create_DuplicateNombre_Returns409()
+    {
+        var token = await GetAdminTokenAsync();
+        var uniqueName = $"DupNombre_{Guid.NewGuid():N}";
+
+        using var req1 = BuildRequest(HttpMethod.Post, AdminEndpoint, new
+        {
+            nombre = uniqueName,
+            hasDuration = false, requiresText = false, requiresCategory = false, isBundle = false,
+            allowImages = false
+        }, token);
+        var resp1 = await _client.SendAsync(req1);
+        Assert.Equal(HttpStatusCode.Created, resp1.StatusCode);
+
+        using var req2 = BuildRequest(HttpMethod.Post, AdminEndpoint, new
+        {
+            nombre = uniqueName,
+            hasDuration = false, requiresText = false, requiresCategory = false, isBundle = false,
+            allowImages = false
+        }, token);
+        var resp2 = await _client.SendAsync(req2);
+
+        Assert.Equal(HttpStatusCode.Conflict, resp2.StatusCode);
+    }
+
+    [Fact]
+    public async Task Create_InvalidBody_Returns400()
+    {
+        var token = await GetAdminTokenAsync();
+
+        using var req = BuildRequest(HttpMethod.Post, AdminEndpoint, new
+        {
+            nombre = string.Empty,   // invalid
+            hasDuration = false, requiresText = false, requiresCategory = false, isBundle = false,
+            allowImages = false
+        }, token);
+
+        var resp = await _client.SendAsync(req);
+
+        Assert.Equal(HttpStatusCode.BadRequest, resp.StatusCode);
+    }
+
+    // ── GET /api/v1/product-types ─────────────────────────────────────────────
+
+    [Fact]
+    public async Task List_WithAdmin_Returns200WithPaginatedResult()
+    {
+        var token = await GetAdminTokenAsync();
+
+        using var req = BuildRequest(HttpMethod.Get, $"{ReadEndpoint}?page=1&pageSize=10", bearerToken: token);
+        var resp = await _client.SendAsync(req);
+
+        Assert.Equal(HttpStatusCode.OK, resp.StatusCode);
+        var json = await resp.Content.ReadFromJsonAsync<JsonElement>();
+        Assert.True(json.TryGetProperty("items", out _));
+        Assert.True(json.TryGetProperty("total", out _));
+    }
+
+    // ── GET /api/v1/product-types/{id} ────────────────────────────────────────
+
+    [Fact]
+    public async Task GetById_NotFound_Returns404()
+    {
+        var token = await GetAdminTokenAsync();
+        using var req = BuildRequest(HttpMethod.Get, $"{ReadEndpoint}/999999999", bearerToken: token);
+        var resp = await _client.SendAsync(req);
+        Assert.Equal(HttpStatusCode.NotFound, resp.StatusCode);
+    }
+
+    [Fact]
+    public async Task GetById_ExistingId_Returns200()
+    {
+        var token = await GetAdminTokenAsync();
+        var uniqueName = $"Tipo_GetById_{Guid.NewGuid():N}";
+
+        using var createReq = BuildRequest(HttpMethod.Post, AdminEndpoint, new
+        {
+            nombre = uniqueName,
+            hasDuration = false, requiresText = false, requiresCategory = false, isBundle = false,
+            allowImages = false
+        }, token);
+        var createResp = await _client.SendAsync(createReq);
+        Assert.Equal(HttpStatusCode.Created, createResp.StatusCode);
+        var created = await createResp.Content.ReadFromJsonAsync<JsonElement>();
+        var id = created.GetProperty("id").GetInt32();
+
+        using var req = BuildRequest(HttpMethod.Get, $"{ReadEndpoint}/{id}", bearerToken: token);
+        var resp = await _client.SendAsync(req);
+
+        Assert.Equal(HttpStatusCode.OK, resp.StatusCode);
+        var json = await resp.Content.ReadFromJsonAsync<JsonElement>();
+        Assert.Equal(id, json.GetProperty("id").GetInt32());
+        Assert.Equal(uniqueName, json.GetProperty("nombre").GetString());
+    }
+
+    // ── PUT /api/v1/admin/product-types/{id} ──────────────────────────────────
+
+    [Fact]
+    public async Task Update_NotFound_Returns404()
+    {
+        var token = await GetAdminTokenAsync();
+        using var req = BuildRequest(HttpMethod.Put, $"{AdminEndpoint}/999999999", new
+        {
+            nombre = "No Existe",
+            hasDuration = false, requiresText = false, requiresCategory = false, isBundle = false,
+            allowImages = false
+        }, token);
+        var resp = await _client.SendAsync(req);
+        Assert.Equal(HttpStatusCode.NotFound, resp.StatusCode);
+    }
+
+    // ── DELETE /api/v1/admin/product-types/{id} ───────────────────────────────
+
+    // TODO PRD-002: agregar e2e test para DELETE → 409 cuando IProductQueryRepository.IsInUseAsync retorna true.
+    // Bloqueado por W1 (RSA singleton sealed en TestWebApplicationFactory). Ref issue #36.
+    // Coverage compositional actual: DeactivateProductTypeCommandHandlerTests (unit) + ExceptionFilterTests (unit → 409).
+
+    [Fact]
+    public async Task Deactivate_NotFound_Returns404()
+    {
+        var token = await GetAdminTokenAsync();
+        using var req = BuildRequest(HttpMethod.Delete, $"{AdminEndpoint}/999999999", bearerToken: token);
+        var resp = await _client.SendAsync(req);
+        Assert.Equal(HttpStatusCode.NotFound, resp.StatusCode);
+    }
+
+    [Fact]
+    public async Task Deactivate_ExistingActive_Returns204()
+    {
+        var token = await GetAdminTokenAsync();
+        var uniqueName = $"Tipo_Deactivate_{Guid.NewGuid():N}";
+
+        using var createReq = BuildRequest(HttpMethod.Post, AdminEndpoint, new
+        {
+            nombre = uniqueName,
+            hasDuration = false, requiresText = false, requiresCategory = false, isBundle = false,
+            allowImages = false
+        }, token);
+        var createResp = await _client.SendAsync(createReq);
+        Assert.Equal(HttpStatusCode.Created, createResp.StatusCode);
+        var created = await createResp.Content.ReadFromJsonAsync<JsonElement>();
+        var id = created.GetProperty("id").GetInt32();
+
+        using var req = BuildRequest(HttpMethod.Delete, $"{AdminEndpoint}/{id}", bearerToken: token);
+        var resp = await _client.SendAsync(req);
+
+        Assert.Equal(HttpStatusCode.NoContent, resp.StatusCode);
+    }
+}
diff --git a/tests/SIGCM2.Application.Tests/Domain/ProductTypes/ProductTypeExceptionsTests.cs b/tests/SIGCM2.Application.Tests/Domain/ProductTypes/ProductTypeExceptionsTests.cs
new file mode 100644
index 0000000..8b1f926
--- /dev/null
+++ b/tests/SIGCM2.Application.Tests/Domain/ProductTypes/ProductTypeExceptionsTests.cs
@@ -0,0 +1,112 @@
+using FluentAssertions;
+using SIGCM2.Domain.Exceptions;
+
+namespace SIGCM2.Application.Tests.Domain.ProductTypes;
+
+public class ProductTypeExceptionsTests
+{
+    // ── ProductTypeNotFoundException ──────────────────────────────────────────
+
+    [Fact]
+    public void ProductTypeNotFoundException_ContainsIdInMessage()
+    {
+        var ex = new ProductTypeNotFoundException(42);
+
+        ex.Message.Should().Contain("42");
+    }
+
+    [Fact]
+    public void ProductTypeNotFoundException_ExposesProductTypeId()
+    {
+        var ex = new ProductTypeNotFoundException(99);
+
+        ex.ProductTypeId.Should().Be(99);
+    }
+
+    [Fact]
+    public void ProductTypeNotFoundException_IsSubclassOfDomainException()
+    {
+        var ex = new ProductTypeNotFoundException(1);
+
+        ex.Should().BeAssignableTo<DomainException>();
+    }
+
+    // ── ProductTypeNombreDuplicadoException ───────────────────────────────────
+
+    [Fact]
+    public void ProductTypeNombreDuplicadoException_ContainsNombreInMessage()
+    {
+        var ex = new ProductTypeNombreDuplicadoException("Clasificados");
+
+        ex.Message.Should().Contain("Clasificados");
+    }
+
+    [Fact]
+    public void ProductTypeNombreDuplicadoException_ExposesNombre()
+    {
+        var ex = new ProductTypeNombreDuplicadoException("Notables");
+
+        ex.Nombre.Should().Be("Notables");
+    }
+
+    [Fact]
+    public void ProductTypeNombreDuplicadoException_IsSubclassOfDomainException()
+    {
+        var ex = new ProductTypeNombreDuplicadoException("x");
+
+        ex.Should().BeAssignableTo<DomainException>();
+    }
+
+    // ── ProductTypeEnUsoException ─────────────────────────────────────────────
+
+    [Fact]
+    public void ProductTypeEnUsoException_ContainsCountInMessage()
+    {
+        var ex = new ProductTypeEnUsoException(id: 5, productsActivos: 7);
+
+        ex.Message.Should().Contain("7");
+    }
+
+    [Fact]
+    public void ProductTypeEnUsoException_ExposesProductTypeIdAndCount()
+    {
+        var ex = new ProductTypeEnUsoException(id: 10, productsActivos: 3);
+
+        ex.ProductTypeId.Should().Be(10);
+        ex.ProductsActivos.Should().Be(3);
+    }
+
+    [Fact]
+    public void ProductTypeEnUsoException_IsSubclassOfDomainException()
+    {
+        var ex = new ProductTypeEnUsoException(1, 0);
+
+        ex.Should().BeAssignableTo<DomainException>();
+    }
+
+    // ── ProductTypeFlagsIncoherentesException ─────────────────────────────────
+
+    [Fact]
+    public void ProductTypeFlagsIncoherentesException_ContainsReasonInMessage()
+    {
+        var ex = new ProductTypeFlagsIncoherentesException("IsBundle sin hijos definidos");
+
+        ex.Message.Should().Contain("IsBundle sin hijos definidos");
+    }
+
+    [Fact]
+    public void ProductTypeFlagsIncoherentesException_ExposesReason()
+    {
+        var ex = new ProductTypeFlagsIncoherentesException("razón técnica");
+
+        ex.Reason.Should().Be("razón técnica");
+    }
+
+    [Fact]
+    public void ProductTypeFlagsIncoherentesException_IsSubclassOfDomainException()
+    {
+        var ex = new ProductTypeFlagsIncoherentesException("x");
+
+        ex.Should().BeAssignableTo<DomainException>();
+    }
+}
diff --git a/tests/SIGCM2.Application.Tests/Domain/ProductTypes/ProductTypeTests.cs b/tests/SIGCM2.Application.Tests/Domain/ProductTypes/ProductTypeTests.cs
new file mode 100644
index 0000000..3332b89
--- /dev/null
+++ b/tests/SIGCM2.Application.Tests/Domain/ProductTypes/ProductTypeTests.cs
@@ -0,0 +1,254 @@
+using FluentAssertions;
+using Microsoft.Extensions.Time.Testing;
+using SIGCM2.Domain.Entities;
+
+namespace SIGCM2.Application.Tests.Domain.ProductTypes;
+
+public class ProductTypeTests
+{
+    private static readonly FakeTimeProvider FakeTime =
+        new(new DateTimeOffset(2026, 4, 19, 10, 0, 0, TimeSpan.Zero));
+
+    // ── ForCreation: happy path ──────────────────────────────────────────────
+
+    [Fact]
+    public void ForCreation_ValidInputs_ReturnsNewInstance_WithActiveTrue()
+    {
+        var pt = ProductType.ForCreation(
+            "Clasificados",
+            hasDuration: true, requiresText: true, requiresCategory: false, isBundle: false,
+            allowImages: false,
+            maxImages: null, maxImageSizeMB: null, maxImageWidth: null, maxImageHeight: null,
+            FakeTime);
+
+        pt.Id.Should().Be(0);
+        pt.Nombre.Should().Be("Clasificados");
+        pt.HasDuration.Should().BeTrue();
+        pt.RequiresText.Should().BeTrue();
+        pt.RequiresCategory.Should().BeFalse();
+        pt.IsBundle.Should().BeFalse();
+        pt.AllowImages.Should().BeFalse();
+        pt.IsActive.Should().BeTrue();
+        pt.FechaCreacion.Should().Be(FakeTime.GetUtcNow().UtcDateTime);
+        pt.FechaModificacion.Should().BeNull();
+    }
+
+    // ── ForCreation: Nombre validations ──────────────────────────────────────
+
+    [Fact]
+    public void ForCreation_NombreNull_ThrowsArgumentException()
+    {
+        var act = () => ProductType.ForCreation(
+            null!, false, false, false, false, false,
+            null, null, null, null, FakeTime);
+
+        act.Should().Throw<ArgumentException>();
+    }
+
+    [Fact]
+    public void ForCreation_NombreWhitespace_ThrowsArgumentException()
+    {
+        var act = () => ProductType.ForCreation(
+            "   ", false, false, false, false, false,
+            null, null, null, null, FakeTime);
+
+        act.Should().Throw<ArgumentException>();
+    }
+
+    [Fact]
+    public void ForCreation_NombreOver200Chars_ThrowsArgumentException()
+    {
+        var nombre = new string('X', 201);
+
+        var act = () => ProductType.ForCreation(
+            nombre, false, false, false, false, false,
+            null, null, null, null, FakeTime);
+
+        act.Should().Throw<ArgumentException>();
+    }
+
+    // ── ForCreation: multimedia normalization ────────────────────────────────
+
+    [Fact]
+    public void ForCreation_AllowImagesFalse_NormalizesAll4MultimediaFieldsToNull()
+    {
+        var pt = ProductType.ForCreation(
+            "Clasificados",
+            false, false, false, false,
+            allowImages: false,
+            maxImages: 5, maxImageSizeMB: 2.5m, maxImageWidth: 1920, maxImageHeight: 1080,
+            FakeTime);
+
+        pt.MaxImages.Should().BeNull();
+        pt.MaxImageSizeMB.Should().BeNull();
+        pt.MaxImageWidth.Should().BeNull();
+        pt.MaxImageHeight.Should().BeNull();
+    }
+
+    [Fact]
+    public void ForCreation_AllowImagesTrue_PreservesMultimediaValues()
+    {
+        var pt = ProductType.ForCreation(
+            "Fotos",
+            false, false, false, false,
+            allowImages: true,
+            maxImages: 10, maxImageSizeMB: 5.0m, maxImageWidth: 800, maxImageHeight: 600,
+            FakeTime);
+
+        pt.AllowImages.Should().BeTrue();
+        pt.MaxImages.Should().Be(10);
+        pt.MaxImageSizeMB.Should().Be(5.0m);
+        pt.MaxImageWidth.Should().Be(800);
+        pt.MaxImageHeight.Should().Be(600);
+    }
+
+    [Fact]
+    public void ForCreation_AllowImagesTrue_AllMaxNull_IsValid()
+    {
+        var pt = ProductType.ForCreation(
+            "Fotos sin límite",
+            false, false, false, false,
+            allowImages: true,
+            maxImages: null, maxImageSizeMB: null, maxImageWidth: null, maxImageHeight: null,
+            FakeTime);
+
+        pt.AllowImages.Should().BeTrue();
+        pt.MaxImages.Should().BeNull();
+        pt.MaxImageSizeMB.Should().BeNull();
+        pt.MaxImageWidth.Should().BeNull();
+        pt.MaxImageHeight.Should().BeNull();
+    }
+
+    // ── WithRenamed ──────────────────────────────────────────────────────────
+
+    [Fact]
+    public void WithRenamed_ValidNombre_ReturnsNewInstance_WithFechaModificacionUpdated()
+    {
+        var original = ProductType.ForCreation("Original", false, false, false, false, false, null, null, null, null, FakeTime);
+        var updated = FakeTimeProvider2();
+        var renamed = original.WithRenamed("Nuevo", updated);
+
+        renamed.Nombre.Should().Be("Nuevo");
+        renamed.FechaModificacion.Should().Be(updated.GetUtcNow().UtcDateTime);
+    }
+
+    [Fact]
+    public void WithRenamed_DoesNotMutateOriginal()
+    {
+        var original = ProductType.ForCreation("Original", false, false, false, false, false, null, null, null, null, FakeTime);
+        _ = original.WithRenamed("Nuevo", FakeTime);
+
+        original.Nombre.Should().Be("Original");
+        original.FechaModificacion.Should().BeNull();
+    }
+
+    // ── WithUpdatedFlags ─────────────────────────────────────────────────────
+
+    [Fact]
+    public void WithUpdatedFlags_SetsFlags_PreservesMultimedia()
+    {
+        var original = ProductType.ForCreation(
+            "Tipo", false, false, false, false,
+            allowImages: true, maxImages: 5, maxImageSizeMB: 2.0m, maxImageWidth: null, maxImageHeight: null,
+            FakeTime);
+        var updated = original.WithUpdatedFlags(true, true, true, true, FakeTime);
+
+        updated.HasDuration.Should().BeTrue();
+        updated.RequiresText.Should().BeTrue();
+        updated.RequiresCategory.Should().BeTrue();
+        updated.IsBundle.Should().BeTrue();
+        updated.AllowImages.Should().BeTrue();
+        updated.MaxImages.Should().Be(5);
+        updated.MaxImageSizeMB.Should().Be(2.0m);
+    }
+
+    // ── WithUpdatedMultimedia ─────────────────────────────────────────────────
+
+    [Fact]
+    public void WithUpdatedMultimedia_AllowImagesFalse_NullifiesAllLimits()
+    {
+        var original = ProductType.ForCreation(
+            "Tipo", false, false, false, false,
+            allowImages: true, maxImages: 5, maxImageSizeMB: 2.0m, maxImageWidth: 1024, maxImageHeight: 768,
+            FakeTime);
+        var updated = original.WithUpdatedMultimedia(false, 3, 1.0m, 800, 600, FakeTime);
+
+        updated.AllowImages.Should().BeFalse();
+        updated.MaxImages.Should().BeNull();
+        updated.MaxImageSizeMB.Should().BeNull();
+        updated.MaxImageWidth.Should().BeNull();
+        updated.MaxImageHeight.Should().BeNull();
+    }
+
+    [Fact]
+    public void WithUpdatedMultimedia_AllowImagesTrue_PreservesLimits()
+    {
+        var original = ProductType.ForCreation("Tipo", false, false, false, false, false, null, null, null, null, FakeTime);
+        var updated = original.WithUpdatedMultimedia(true, 8, 3.5m, 1920, 1080, FakeTime);
+
+        updated.AllowImages.Should().BeTrue();
+        updated.MaxImages.Should().Be(8);
+        updated.MaxImageSizeMB.Should().Be(3.5m);
+        updated.MaxImageWidth.Should().Be(1920);
+        updated.MaxImageHeight.Should().Be(1080);
+    }
+
+    // ── WithDeactivated ──────────────────────────────────────────────────────
+
+    [Fact]
+    public void WithDeactivated_SetsIsActiveFalse_AndFechaModificacion()
+    {
+        var original = ProductType.ForCreation("Tipo", false, false, false, false, false, null, null, null, null, FakeTime);
+        var tp2 = FakeTimeProvider2();
+        var deactivated = original.WithDeactivated(tp2);
+
+        deactivated.IsActive.Should().BeFalse();
+        deactivated.FechaModificacion.Should().Be(tp2.GetUtcNow().UtcDateTime);
+        original.IsActive.Should().BeTrue(); // original not mutated
+    }
+
+    // ── Hydration ────────────────────────────────────────────────────────────
+
+    [Fact]
+    public void Constructor_HydrationRoundtrip_PreservesAllFields()
+    {
+        var fechaCreacion = new DateTime(2026, 1, 15, 8, 0, 0, DateTimeKind.Utc);
+        var fechaModificacion = new DateTime(2026, 3, 10, 9, 30, 0, DateTimeKind.Utc);
+
+        var pt = new ProductType(
+            id: 42,
+            nombre: "Bundle Aniversario",
+            hasDuration: true,
+            requiresText: false,
+            requiresCategory: true,
+            isBundle: true,
+            allowImages: true,
+            maxImages: 12,
+            maxImageSizeMB: 2.75m,
+            maxImageWidth: 1920,
+            maxImageHeight: 1080,
+            isActive: false,
+            fechaCreacion: fechaCreacion,
+            fechaModificacion: fechaModificacion);
+
+        pt.Id.Should().Be(42);
+        pt.Nombre.Should().Be("Bundle Aniversario");
+        pt.HasDuration.Should().BeTrue();
+        pt.RequiresText.Should().BeFalse();
+        pt.RequiresCategory.Should().BeTrue();
+        pt.IsBundle.Should().BeTrue();
+        pt.AllowImages.Should().BeTrue();
+        pt.MaxImages.Should().Be(12);
+        pt.MaxImageSizeMB.Should().Be(2.75m);
+        pt.MaxImageWidth.Should().Be(1920);
+        pt.MaxImageHeight.Should().Be(1080);
+        pt.IsActive.Should().BeFalse();
+        pt.FechaCreacion.Should().Be(fechaCreacion);
+        pt.FechaModificacion.Should().Be(fechaModificacion);
+    }
+
+    // ── Helper ───────────────────────────────────────────────────────────────
+
+    private static FakeTimeProvider FakeTimeProvider2() =>
+        new(new DateTimeOffset(2026, 4, 20, 15, 0, 0, TimeSpan.Zero));
+}
diff --git a/tests/SIGCM2.Application.Tests/Integration/PermisoRepositoryTests.cs b/tests/SIGCM2.Application.Tests/Integration/PermisoRepositoryTests.cs
index a30e5a2..cf91367 100644
--- a/tests/SIGCM2.Application.Tests/Integration/PermisoRepositoryTests.cs
+++ b/tests/SIGCM2.Application.Tests/Integration/PermisoRepositoryTests.cs
@@ -73,7 +73,7 @@ public class PermisoRepositoryTests : IAsyncLifetime
     // ── ListAsync ────────────────────────────────────────────────────────────
 
     [Fact]
-    public async Task ListAsync_Returns25CanonicalSeeds()
+    public async Task ListAsync_Returns26CanonicalSeeds()
     {
         var list = await _repository.ListAsync();
 
@@ -81,8 +81,9 @@ public class PermisoRepositoryTests : IAsyncLifetime
         // + V011 (ADM-001) adds 'administracion:secciones:gestionar'
         // + V013 (ADM-008) adds 'administracion:puntos_de_venta:gestionar'
         // + V014 (ADM-009) adds 'administracion:fiscal:gestionar'
-        // + V016 (CAT-001) adds 'catalogo:rubros:gestionar' = 25 total
-        Assert.Equal(25, list.Count);
+        // + V016 (CAT-001) adds 'catalogo:rubros:gestionar'
+        // + V017 (PRD-001) adds 'catalogo:tipos:gestionar' = 26 total
+        Assert.Equal(26, list.Count);
     }
 
     [Fact]
diff --git a/tests/SIGCM2.Application.Tests/Integration/RolPermisoRepositoryTests.cs b/tests/SIGCM2.Application.Tests/Integration/RolPermisoRepositoryTests.cs
index a387abc..71fdfd7 100644
--- a/tests/SIGCM2.Application.Tests/Integration/RolPermisoRepositoryTests.cs
+++ b/tests/SIGCM2.Application.Tests/Integration/RolPermisoRepositoryTests.cs
@@ -173,16 +173,17 @@ public class RolPermisoRepositoryTests : IAsyncLifetime
     // ── GetByRolCodigoAsync ──────────────────────────────────────────────────
 
     [Fact]
-    public async Task GetByRolCodigoAsync_Admin_Returns25Permisos()
+    public async Task GetByRolCodigoAsync_Admin_Returns26Permisos()
     {
         // admin has 18 permisos from V006 + 3 new admin permisos from V007 (UDT-006)
         // + 1 from V011 (ADM-001): 'administracion:secciones:gestionar'
         // + 1 from V013 (ADM-008): 'administracion:puntos_de_venta:gestionar'
         // + 1 from V014 (ADM-009): 'administracion:fiscal:gestionar'
-        // + 1 from V016 (CAT-001): 'catalogo:rubros:gestionar' = 25 total
+        // + 1 from V016 (CAT-001): 'catalogo:rubros:gestionar'
+        // + 1 from V017 (PRD-001): 'catalogo:tipos:gestionar' = 26 total
         var permisos = await _repository.GetByRolCodigoAsync("admin");
 
-        Assert.Equal(25, permisos.Count);
+        Assert.Equal(26, permisos.Count);
     }
 
     [Fact]
diff --git a/tests/SIGCM2.Application.Tests/ProductTypes/Create/CreateProductTypeCommandHandlerTests.cs b/tests/SIGCM2.Application.Tests/ProductTypes/Create/CreateProductTypeCommandHandlerTests.cs
new file mode 100644
index 0000000..98ab0a7
--- /dev/null
+++ b/tests/SIGCM2.Application.Tests/ProductTypes/Create/CreateProductTypeCommandHandlerTests.cs
@@ -0,0 +1,182 @@
+using FluentAssertions;
+using Microsoft.Extensions.Time.Testing;
+using NSubstitute;
+using NSubstitute.ExceptionExtensions;
+using SIGCM2.Application.Abstractions.Persistence;
+using SIGCM2.Application.Audit;
+using SIGCM2.Application.ProductTypes.Create;
+using SIGCM2.Domain.Entities;
+using SIGCM2.Domain.Exceptions;
+
+namespace SIGCM2.Application.Tests.ProductTypes.Create;
+
+public class CreateProductTypeCommandHandlerTests
+{
+    private readonly IProductTypeRepository _repo = Substitute.For<IProductTypeRepository>();
+    private readonly IAuditLogger _audit = Substitute.For<IAuditLogger>();
+    private readonly FakeTimeProvider _timeProvider = new(new DateTimeOffset(2026, 4, 19, 10, 0, 0, TimeSpan.Zero));
+    private readonly CreateProductTypeCommandHandler _handler;
+
+    public CreateProductTypeCommandHandlerTests()
+    {
+        _repo.ExistsByNombreAsync(Arg.Any<string>(), Arg.Any<int?>(), Arg.Any<CancellationToken>()).Returns(false);
+        _repo.AddAsync(Arg.Any<ProductType>(), Arg.Any<CancellationToken>()).Returns(1);
+        _handler = new CreateProductTypeCommandHandler(_repo, _audit, _timeProvider);
+    }
+
+    private static CreateProductTypeCommand ValidCommand(bool allowImages = false) => new(
+        Nombre: "Clasificados",
+        HasDuration: true, RequiresText: true, RequiresCategory: false, IsBundle: false,
+        AllowImages: allowImages,
+        MaxImages: null, MaxImageSizeMB: null, MaxImageWidth: null, MaxImageHeight: null);
+
+    // ── Happy path ───────────────────────────────────────────────────────────
+
+    [Fact]
+    public async Task Handle_ValidCommand_InsertsAndReturnsDto()
+    {
+        _repo.AddAsync(Arg.Any<ProductType>(), Arg.Any<CancellationToken>()).Returns(42);
+
+        var result = await _handler.Handle(ValidCommand());
+
+        result.Id.Should().Be(42);
+        result.Nombre.Should().Be("Clasificados");
+    }
+
+    [Fact]
+    public async Task Handle_ValidCommand_CallsAddAsync()
+    {
+        await _handler.Handle(ValidCommand());
+
+        await _repo.Received(1).AddAsync(
+            Arg.Is<ProductType>(pt => pt.Nombre == "Clasificados"),
+            Arg.Any<CancellationToken>());
+    }
+
+    [Fact]
+    public async Task Handle_SuccessfulInsert_LogsAuditEventProductoTipoCreated()
+    {
+        _repo.AddAsync(Arg.Any<ProductType>(), Arg.Any<CancellationToken>()).Returns(7);
+
+        await _handler.Handle(ValidCommand());
+
+        await _audit.Received(1).LogAsync(
+            action: "producto_tipo.created",
+            targetType: "ProductType",
+            targetId: "7",
+            metadata: Arg.Any<object?>(),
+            ct: Arg.Any<CancellationToken>());
+    }
+
+    [Fact]
+    public async Task Handle_PreservesFlagsAsProvided()
+    {
+        var cmd = ValidCommand() with { HasDuration = true, IsBundle = true };
+
+        await _handler.Handle(cmd);
+
+        await _repo.Received(1).AddAsync(
+            Arg.Is<ProductType>(pt => pt.HasDuration && pt.IsBundle),
+            Arg.Any<CancellationToken>());
+    }
+
+    [Fact]
+    public async Task Handle_AllowImagesTrue_WithAllMaxNull_PersistsAllNull()
+    {
+        var cmd = ValidCommand(allowImages: true);
+
+        await _handler.Handle(cmd);
+
+        await _repo.Received(1).AddAsync(
+            Arg.Is<ProductType>(pt => pt.AllowImages && pt.MaxImages == null),
+            Arg.Any<CancellationToken>());
+    }
+
+    [Fact]
+    public async Task Handle_UsesTimeProvider_NotDateTimeNow()
+    {
+        var expectedDate = _timeProvider.GetUtcNow().UtcDateTime;
+
+        await _handler.Handle(ValidCommand());
+
+        await _repo.Received(1).AddAsync(
+            Arg.Is<ProductType>(pt => pt.FechaCreacion == expectedDate),
+            Arg.Any<CancellationToken>());
+    }
+
+    [Fact]
+    public async Task Handle_ReturnsCreatedDtoWithPersistedId()
+    {
+        _repo.AddAsync(Arg.Any<ProductType>(), Arg.Any<CancellationToken>()).Returns(99);
+
+        var result = await _handler.Handle(ValidCommand());
+
+        result.Id.Should().Be(99);
+        result.IsActive.Should().BeTrue();
+    }
+
+    // ── AllowImages=false normalization ───────────────────────────────────────
+
+    [Fact]
+    public async Task Handle_AllowImagesFalse_MaxImagesInput5_PersistsWithMaxImagesNull()
+    {
+        var cmd = ValidCommand() with { AllowImages = false, MaxImages = 5 };
+
+        await _handler.Handle(cmd);
+
+        await _repo.Received(1).AddAsync(
+            Arg.Is<ProductType>(pt => pt.AllowImages == false && pt.MaxImages == null),
+            Arg.Any<CancellationToken>());
+    }
+
+    // ── Nombre duplicado ─────────────────────────────────────────────────────
+
+    [Fact]
+    public async Task Handle_NombreDuplicado_ThrowsProductTypeNombreDuplicadoException()
+    {
+        _repo.ExistsByNombreAsync("Clasificados", Arg.Any<int?>(), Arg.Any<CancellationToken>()).Returns(true);
+
+        var act = async () => await _handler.Handle(ValidCommand());
+
+        await act.Should().ThrowAsync<ProductTypeNombreDuplicadoException>();
+    }
+
+    [Fact]
+    public async Task Handle_NombreDuplicado_CheckedBeforeFactory()
+    {
+        // If duplicate check throws, AddAsync should never be called
+        _repo.ExistsByNombreAsync(Arg.Any<string>(), Arg.Any<int?>(), Arg.Any<CancellationToken>()).Returns(true);
+
+        try { await _handler.Handle(ValidCommand()); } catch (ProductTypeNombreDuplicadoException) { }
+
+        await _repo.DidNotReceive().AddAsync(Arg.Any<ProductType>(), Arg.Any<CancellationToken>());
+    }
+
+    // ── Rollback scenarios ────────────────────────────────────────────────────
+
+    [Fact]
+    public async Task Handle_RepoThrows_AuditNotCalled_TransactionRollback()
+    {
+        _repo.AddAsync(Arg.Any<ProductType>(), Arg.Any<CancellationToken>())
+             .ThrowsAsync(new InvalidOperationException("DB error"));
+
+        var act = async () => await _handler.Handle(ValidCommand());
+        await act.Should().ThrowAsync<InvalidOperationException>();
+
+        await _audit.DidNotReceive().LogAsync(
+            Arg.Any<string>(), Arg.Any<string>(), Arg.Any<string>(),
+            Arg.Any<object?>(), Arg.Any<CancellationToken>());
+    }
+
+    [Fact]
+    public async Task Handle_AuditThrows_TransactionRollback()
+    {
+        _audit.LogAsync(Arg.Any<string>(), Arg.Any<string>(), Arg.Any<string>(),
+            Arg.Any<object?>(), Arg.Any<CancellationToken>())
+            .ThrowsAsync(new InvalidOperationException("Audit error"));
+
+        var act = async () => await _handler.Handle(ValidCommand());
+
+        await act.Should().ThrowAsync<InvalidOperationException>();
+    }
+}
diff --git a/tests/SIGCM2.Application.Tests/ProductTypes/Deactivate/DeactivateProductTypeCommandHandlerTests.cs b/tests/SIGCM2.Application.Tests/ProductTypes/Deactivate/DeactivateProductTypeCommandHandlerTests.cs
new file mode 100644
index 0000000..c1a0db7
--- /dev/null
+++ b/tests/SIGCM2.Application.Tests/ProductTypes/Deactivate/DeactivateProductTypeCommandHandlerTests.cs
@@ -0,0 +1,159 @@
+using FluentAssertions;
+using Microsoft.Extensions.Time.Testing;
+using NSubstitute;
+using NSubstitute.ExceptionExtensions;
+using SIGCM2.Application.Abstractions.Persistence;
+using SIGCM2.Application.Audit;
+using SIGCM2.Application.ProductTypes.Deactivate;
+using SIGCM2.Domain.Entities;
+using SIGCM2.Domain.Exceptions;
+
+namespace SIGCM2.Application.Tests.ProductTypes.Deactivate;
+
+public class DeactivateProductTypeCommandHandlerTests
+{
+    private readonly IProductTypeRepository _repo = Substitute.For<IProductTypeRepository>();
+    private readonly IProductQueryRepository _productQuery = Substitute.For<IProductQueryRepository>();
+    private readonly IAuditLogger _audit = Substitute.For<IAuditLogger>();
+    private readonly FakeTimeProvider _timeProvider = new(new DateTimeOffset(2026, 4, 19, 14, 0, 0, TimeSpan.Zero));
+    private readonly DeactivateProductTypeCommandHandler _handler;
+
+    public DeactivateProductTypeCommandHandlerTests()
+    {
+        _productQuery.ExistsActiveByProductTypeAsync(Arg.Any<int>(), Arg.Any<CancellationToken>()).Returns(false);
+        _handler = new DeactivateProductTypeCommandHandler(_repo, _productQuery, _audit, _timeProvider);
+    }
+
+    private static ProductType ActiveType(int id = 1) =>
+        new(id, "Clasificados", false, false, false, false, false, null, null, null, null,
+            isActive: true, new DateTime(2026, 1, 1, 0, 0, 0, DateTimeKind.Utc), null);
+
+    private static ProductType InactiveType(int id = 1) =>
+        new(id, "Clasificados", false, false, false, false, false, null, null, null, null,
+            isActive: false, new DateTime(2026, 1, 1, 0, 0, 0, DateTimeKind.Utc), null);
+
+    // ── Not found ────────────────────────────────────────────────────────────
+
+    [Fact]
+    public async Task Handle_NotFound_ThrowsProductTypeNotFoundException()
+    {
+        _repo.GetByIdAsync(99, Arg.Any<CancellationToken>()).Returns((ProductType?)null);
+
+        var act = async () => await _handler.Handle(new DeactivateProductTypeCommand(99));
+
+        await act.Should().ThrowAsync<ProductTypeNotFoundException>()
+            .Where(e => e.ProductTypeId == 99);
+    }
+
+    // ── Already inactive (idempotent) ─────────────────────────────────────────
+
+    [Fact]
+    public async Task Handle_AlreadyInactive_ReturnsIdempotentDto_NoAudit_NoRepoUpdate()
+    {
+        _repo.GetByIdAsync(1, Arg.Any<CancellationToken>()).Returns(InactiveType());
+
+        var result = await _handler.Handle(new DeactivateProductTypeCommand(1));
+
+        result.Id.Should().Be(1);
+        result.IsActive.Should().BeFalse();
+        await _repo.DidNotReceive().UpdateAsync(Arg.Any<ProductType>(), Arg.Any<CancellationToken>());
+        await _audit.DidNotReceive().LogAsync(
+            Arg.Any<string>(), Arg.Any<string>(), Arg.Any<string>(),
+            Arg.Any<object?>(), Arg.Any<CancellationToken>());
+    }
+
+    // ── In use guard ─────────────────────────────────────────────────────────
+
+    [Fact]
+    public async Task Handle_InUseGuardReturnsTrue_ThrowsProductTypeEnUsoException()
+    {
+        _repo.GetByIdAsync(1, Arg.Any<CancellationToken>()).Returns(ActiveType());
+        _productQuery.ExistsActiveByProductTypeAsync(1, Arg.Any<CancellationToken>()).Returns(true);
+
+        var act = async () => await _handler.Handle(new DeactivateProductTypeCommand(1));
+
+        await act.Should().ThrowAsync<ProductTypeEnUsoException>()
+            .Where(e => e.ProductTypeId == 1);
+    }
+
+    [Fact]
+    public async Task Handle_CallsIProductQueryRepository_Received1()
+    {
+        _repo.GetByIdAsync(1, Arg.Any<CancellationToken>()).Returns(ActiveType());
+
+        await _handler.Handle(new DeactivateProductTypeCommand(1));
+
+        await _productQuery.Received(1).ExistsActiveByProductTypeAsync(1, Arg.Any<CancellationToken>());
+    }
+
+    // ── Happy path ───────────────────────────────────────────────────────────
+
+    [Fact]
+    public async Task Handle_ValidDeactivation_UpdatesAndAuditsProductoTipoDeactivated()
+    {
+        _repo.GetByIdAsync(1, Arg.Any<CancellationToken>()).Returns(ActiveType());
+
+        await _handler.Handle(new DeactivateProductTypeCommand(1));
+
+        await _repo.Received(1).UpdateAsync(
+            Arg.Is<ProductType>(pt => !pt.IsActive),
+            Arg.Any<CancellationToken>());
+        await _audit.Received(1).LogAsync(
+            action: "producto_tipo.deactivated",
+            targetType: "ProductType",
+            targetId: "1",
+            metadata: Arg.Any<object?>(),
+            ct: Arg.Any<CancellationToken>());
+    }
+
+    [Fact]
+    public async Task Handle_UsesTimeProviderInDeactivate()
+    {
+        _repo.GetByIdAsync(1, Arg.Any<CancellationToken>()).Returns(ActiveType());
+        var expectedDate = _timeProvider.GetUtcNow().UtcDateTime;
+
+        await _handler.Handle(new DeactivateProductTypeCommand(1));
+
+        await _repo.Received(1).UpdateAsync(
+            Arg.Is<ProductType>(pt => pt.FechaModificacion == expectedDate),
+            Arg.Any<CancellationToken>());
+    }
+
+    [Fact]
+    public async Task Handle_ReturnsDtoWithIdAndIsActiveFalse()
+    {
+        _repo.GetByIdAsync(1, Arg.Any<CancellationToken>()).Returns(ActiveType());
+
+        var result = await _handler.Handle(new DeactivateProductTypeCommand(1));
+
+        result.Id.Should().Be(1);
+        result.IsActive.Should().BeFalse();
+    }
+
+    // ── Rollback scenarios ────────────────────────────────────────────────────
+
+    [Fact]
+    public async Task Handle_RepoThrows_Rollback()
+    {
+        _repo.GetByIdAsync(1, Arg.Any<CancellationToken>()).Returns(ActiveType());
+        _repo.UpdateAsync(Arg.Any<ProductType>(), Arg.Any<CancellationToken>())
+             .ThrowsAsync(new InvalidOperationException("DB"));
+
+        var act = async () => await _handler.Handle(new DeactivateProductTypeCommand(1));
+
+        await act.Should().ThrowAsync<InvalidOperationException>();
+    }
+
+    [Fact]
+    public async Task Handle_AuditThrows_Rollback()
+    {
+        _repo.GetByIdAsync(1, Arg.Any<CancellationToken>()).Returns(ActiveType());
+        _audit.LogAsync(Arg.Any<string>(), Arg.Any<string>(), Arg.Any<string>(),
+            Arg.Any<object?>(), Arg.Any<CancellationToken>())
+            .ThrowsAsync(new InvalidOperationException("Audit"));
+
+        var act = async () => await _handler.Handle(new DeactivateProductTypeCommand(1));
+
+        await act.Should().ThrowAsync<InvalidOperationException>();
+    }
+}
diff --git a/tests/SIGCM2.Application.Tests/ProductTypes/GetById/GetProductTypeByIdQueryHandlerTests.cs b/tests/SIGCM2.Application.Tests/ProductTypes/GetById/GetProductTypeByIdQueryHandlerTests.cs
new file mode 100644
index 0000000..640d278
--- /dev/null
+++ b/tests/SIGCM2.Application.Tests/ProductTypes/GetById/GetProductTypeByIdQueryHandlerTests.cs
@@ -0,0 +1,70 @@
+using FluentAssertions;
+using NSubstitute;
+using SIGCM2.Application.Abstractions.Persistence;
+using SIGCM2.Application.ProductTypes.GetById;
+using SIGCM2.Domain.Entities;
+using SIGCM2.Domain.Exceptions;
+
+namespace SIGCM2.Application.Tests.ProductTypes.GetById;
+
+public class GetProductTypeByIdQueryHandlerTests
+{
+    private readonly IProductTypeRepository _repo = Substitute.For<IProductTypeRepository>();
+    private readonly GetProductTypeByIdQueryHandler _handler;
+
+    public GetProductTypeByIdQueryHandlerTests()
+    {
+        _handler = new GetProductTypeByIdQueryHandler(_repo);
+    }
+
+    private static ProductType FullProductType(int id = 5) =>
+        new(id, "Clasificados",
+            hasDuration: true, requiresText: true, requiresCategory: false, isBundle: false,
+            allowImages: true, maxImages: 10, maxImageSizeMB: 2.5m, maxImageWidth: 1920, maxImageHeight: 1080,
+            isActive: true,
+            fechaCreacion: new DateTime(2026, 1, 10, 0, 0, 0, DateTimeKind.Utc),
+            fechaModificacion: new DateTime(2026, 3, 5, 0, 0, 0, DateTimeKind.Utc));
+
+    [Fact]
+    public async Task Handle_Found_ReturnsDetailDto()
+    {
+        _repo.GetByIdAsync(5, Arg.Any<CancellationToken>()).Returns(FullProductType(5));
+
+        var result = await _handler.Handle(new GetProductTypeByIdQuery(5));
+
+        result.Id.Should().Be(5);
+        result.Nombre.Should().Be("Clasificados");
+    }
+
+    [Fact]
+    public async Task Handle_NotFound_ThrowsProductTypeNotFoundException()
+    {
+        _repo.GetByIdAsync(999, Arg.Any<CancellationToken>()).Returns((ProductType?)null);
+
+        var act = async () => await _handler.Handle(new GetProductTypeByIdQuery(999));
+
+        await act.Should().ThrowAsync<ProductTypeNotFoundException>()
+            .Where(e => e.ProductTypeId == 999);
+    }
+
+    [Fact]
+    public async Task Handle_DetailContainsAllFields()
+    {
+        _repo.GetByIdAsync(5, Arg.Any<CancellationToken>()).Returns(FullProductType(5));
+
+        var result = await _handler.Handle(new GetProductTypeByIdQuery(5));
+
+        result.HasDuration.Should().BeTrue();
+        result.RequiresText.Should().BeTrue();
+        result.RequiresCategory.Should().BeFalse();
+        result.IsBundle.Should().BeFalse();
+        result.AllowImages.Should().BeTrue();
+        result.MaxImages.Should().Be(10);
+        result.MaxImageSizeMB.Should().Be(2.5m);
+        result.MaxImageWidth.Should().Be(1920);
+        result.MaxImageHeight.Should().Be(1080);
+        result.IsActive.Should().BeTrue();
+        result.FechaCreacion.Should().Be(new DateTime(2026, 1, 10, 0, 0, 0, DateTimeKind.Utc));
+        result.FechaModificacion.Should().Be(new DateTime(2026, 3, 5, 0, 0, 0, DateTimeKind.Utc));
+    }
+}
diff --git a/tests/SIGCM2.Application.Tests/ProductTypes/List/ListProductTypesQueryHandlerTests.cs b/tests/SIGCM2.Application.Tests/ProductTypes/List/ListProductTypesQueryHandlerTests.cs
new file mode 100644
index 0000000..1b525ab
--- /dev/null
+++ b/tests/SIGCM2.Application.Tests/ProductTypes/List/ListProductTypesQueryHandlerTests.cs
@@ -0,0 +1,109 @@
+using FluentAssertions;
+using NSubstitute;
+using SIGCM2.Application.Abstractions.Persistence;
+using SIGCM2.Application.Common;
+using SIGCM2.Application.ProductTypes.List;
+using SIGCM2.Domain.Entities;
+
+namespace SIGCM2.Application.Tests.ProductTypes.List;
+
+public class ListProductTypesQueryHandlerTests
+{
+    private readonly IProductTypeRepository _repo = Substitute.For<IProductTypeRepository>();
+    private readonly ListProductTypesQueryHandler _handler;
+
+    public ListProductTypesQueryHandlerTests()
+    {
+        _handler = new ListProductTypesQueryHandler(_repo);
+    }
+
+    private static ProductType MakeProductType(int id, string nombre, bool isActive = true) =>
+        new(id, nombre, false, false, false, false, false, null, null, null, null,
+            isActive, DateTime.UtcNow, null);
+
+    private static PagedResult<ProductType> PagedOf(List<ProductType> items, int page = 1, int pageSize = 20, int? total = null) =>
+        new(items, page, pageSize, total ?? items.Count);
+
+    // ── Happy path ───────────────────────────────────────────────────────────
+
+    [Fact]
+    public async Task Handle_DefaultQuery_Returns20Active()
+    {
+        var items = Enumerable.Range(1, 5).Select(i => MakeProductType(i, $"Tipo{i}")).ToList();
+        _repo.GetPagedAsync(Arg.Any<ProductTypesQuery>(), Arg.Any<CancellationToken>())
+             .Returns(PagedOf(items));
+
+        var result = await _handler.Handle(new ListProductTypesQuery());
+
+        result.Items.Should().HaveCount(5);
+    }
+
+    [Fact]
+    public async Task Handle_PageLessThan1_ClampsToOne()
+    {
+        _repo.GetPagedAsync(Arg.Any<ProductTypesQuery>(), Arg.Any<CancellationToken>())
+             .Returns(PagedOf([]));
+
+        await _handler.Handle(new ListProductTypesQuery(Page: 0));
+
+        await _repo.Received(1).GetPagedAsync(
+            Arg.Is<ProductTypesQuery>(q => q.Page == 1),
+            Arg.Any<CancellationToken>());
+    }
+
+    [Fact]
+    public async Task Handle_PageSizeOver100_ClampsTo100()
+    {
+        _repo.GetPagedAsync(Arg.Any<ProductTypesQuery>(), Arg.Any<CancellationToken>())
+             .Returns(PagedOf([]));
+
+        await _handler.Handle(new ListProductTypesQuery(PageSize: 200));
+
+        await _repo.Received(1).GetPagedAsync(
+            Arg.Is<ProductTypesQuery>(q => q.PageSize == 100),
+            Arg.Any<CancellationToken>());
+    }
+
+    [Fact]
+    public async Task Handle_ActivoFalse_ReturnsInactives()
+    {
+        var inactive = new List<ProductType> { MakeProductType(99, "Inactivo", false) };
+        _repo.GetPagedAsync(Arg.Any<ProductTypesQuery>(), Arg.Any<CancellationToken>())
+             .Returns(PagedOf(inactive));
+
+        var result = await _handler.Handle(new ListProductTypesQuery(Activo: false));
+
+        await _repo.Received(1).GetPagedAsync(
+            Arg.Is<ProductTypesQuery>(q => q.Activo == false),
+            Arg.Any<CancellationToken>());
+        result.Items.Should().HaveCount(1);
+    }
+
+    [Fact]
+    public async Task Handle_SearchFilter_PassesThroughToRepo()
+    {
+        _repo.GetPagedAsync(Arg.Any<ProductTypesQuery>(), Arg.Any<CancellationToken>())
+             .Returns(PagedOf([]));
+
+        await _handler.Handle(new ListProductTypesQuery(Search: "clasif"));
+
+        await _repo.Received(1).GetPagedAsync(
+            Arg.Is<ProductTypesQuery>(q => q.Search == "clasif"),
+            Arg.Any<CancellationToken>());
+    }
+
+    [Fact]
+    public async Task Handle_PagedResult_ReturnsItemsAndTotal()
+    {
+        var items = Enumerable.Range(1, 5).Select(i => MakeProductType(i, $"Tipo{i}")).ToList();
+        _repo.GetPagedAsync(Arg.Any<ProductTypesQuery>(), Arg.Any<CancellationToken>())
+             .Returns(new PagedResult<ProductType>(items, 2, 5, 15));
+
+        var result = await _handler.Handle(new ListProductTypesQuery(Page: 2, PageSize: 5));
+
+        result.Total.Should().Be(15);
+        result.Page.Should().Be(2);
+        result.PageSize.Should().Be(5);
+        result.Items.Should().HaveCount(5);
+    }
+}
diff --git a/tests/SIGCM2.Application.Tests/ProductTypes/NullProductQueryRepositoryTests.cs b/tests/SIGCM2.Application.Tests/ProductTypes/NullProductQueryRepositoryTests.cs
new file mode 100644
index 0000000..175b4cc
--- /dev/null
+++ b/tests/SIGCM2.Application.Tests/ProductTypes/NullProductQueryRepositoryTests.cs
@@ -0,0 +1,26 @@
+using FluentAssertions;
+using SIGCM2.Application.Products;
+
+namespace SIGCM2.Application.Tests.ProductTypes;
+
+public class NullProductQueryRepositoryTests
+{
+    private readonly NullProductQueryRepository _sut = new();
+
+    [Fact]
+    public async Task ExistsActiveByProductTypeAsync_AlwaysReturnsFalse()
+    {
+        var result = await _sut.ExistsActiveByProductTypeAsync(productTypeId: 1);
+
+        result.Should().BeFalse();
+    }
+
+    [Fact]
+    public async Task ExistsActiveByProductTypeAsync_WithCancellationToken_DoesNotThrow()
+    {
+        using var cts = new CancellationTokenSource();
+        var act = async () => await _sut.ExistsActiveByProductTypeAsync(productTypeId: 999, ct: cts.Token);
+
+        await act.Should().NotThrowAsync();
+    }
+}
diff --git a/tests/SIGCM2.Application.Tests/ProductTypes/ProductTypeRepositoryTests.cs b/tests/SIGCM2.Application.Tests/ProductTypes/ProductTypeRepositoryTests.cs
new file mode 100644
index 0000000..fd294d4
--- /dev/null
+++ b/tests/SIGCM2.Application.Tests/ProductTypes/ProductTypeRepositoryTests.cs
@@ -0,0 +1,233 @@
+using Dapper;
+using FluentAssertions;
+using SIGCM2.Domain.Entities;
+using SIGCM2.Infrastructure.Persistence;
+using SIGCM2.TestSupport;
+
+namespace SIGCM2.Application.Tests.ProductTypes;
+
+/// <summary>
+/// Integration tests for ProductTypeRepository against SIGCM2_Test_App.
+/// Uses shared SqlTestFixture via [Collection("Database")] — fixture maneja Respawn + seeds.
+/// Temporal: after UpdateAsync, dbo.ProductType_History MUST have ≥1 row for that Id.
+/// </summary>
+[Collection("Database")]
+public class ProductTypeRepositoryTests : IAsyncLifetime
+{
+    private readonly SqlTestFixture _db;
+    private ProductTypeRepository _repository = null!;
+    private TimeProvider _timeProvider = null!;
+
+    public ProductTypeRepositoryTests(SqlTestFixture db)
+    {
+        _db = db;
+    }
+
+    public async Task InitializeAsync()
+    {
+        await _db.ResetAndSeedAsync();
+
+        var factory = new SqlConnectionFactory(TestConnectionStrings.AppTestDb);
+        _repository = new ProductTypeRepository(factory);
+        _timeProvider = TimeProvider.System;
+    }
+
+    public Task DisposeAsync() => Task.CompletedTask;
+
+    // ── AddAsync + GetByIdAsync roundtrip ─────────────────────────────────────
+
+    [Fact]
+    public async Task AddAsync_AndGetById_ReturnsAllFields()
+    {
+        var pt = ProductType.ForCreation(
+            nombre: "Avisos Clasificados",
+            hasDuration: true,
+            requiresText: true,
+            requiresCategory: true,
+            isBundle: false,
+            allowImages: true,
+            maxImages: 5,
+            maxImageSizeMB: 2.5m,
+            maxImageWidth: 800,
+            maxImageHeight: 600,
+            timeProvider: _timeProvider);
+
+        var id = await _repository.AddAsync(pt);
+        var result = await _repository.GetByIdAsync(id);
+
+        result.Should().NotBeNull();
+        result!.Id.Should().Be(id);
+        result.Nombre.Should().Be("Avisos Clasificados");
+        result.HasDuration.Should().BeTrue();
+        result.RequiresText.Should().BeTrue();
+        result.RequiresCategory.Should().BeTrue();
+        result.IsBundle.Should().BeFalse();
+        result.AllowImages.Should().BeTrue();
+        result.MaxImages.Should().Be(5);
+        result.MaxImageSizeMB.Should().Be(2.5m);
+        result.MaxImageWidth.Should().Be(800);
+        result.MaxImageHeight.Should().Be(600);
+        result.IsActive.Should().BeTrue();
+        result.FechaCreacion.Should().BeAfter(DateTime.MinValue);
+        result.FechaModificacion.Should().BeNull();
+    }
+
+    [Fact]
+    public async Task AddAsync_NoImages_PersistsNullMultimedia()
+    {
+        var pt = ProductType.ForCreation(
+            nombre: "Aviso Simple",
+            hasDuration: false,
+            requiresText: false,
+            requiresCategory: false,
+            isBundle: false,
+            allowImages: false,
+            maxImages: null,
+            maxImageSizeMB: null,
+            maxImageWidth: null,
+            maxImageHeight: null,
+            timeProvider: _timeProvider);
+
+        var id = await _repository.AddAsync(pt);
+        var result = await _repository.GetByIdAsync(id);
+
+        result.Should().NotBeNull();
+        result!.AllowImages.Should().BeFalse();
+        result.MaxImages.Should().BeNull();
+        result.MaxImageSizeMB.Should().BeNull();
+        result.MaxImageWidth.Should().BeNull();
+        result.MaxImageHeight.Should().BeNull();
+    }
+
+    [Fact]
+    public async Task GetByIdAsync_NonExistent_ReturnsNull()
+    {
+        var result = await _repository.GetByIdAsync(999999);
+
+        result.Should().BeNull();
+    }
+
+    // ── ExistsByNombreAsync ────────────────────────────────────────────────────
+
+    [Fact]
+    public async Task ExistsByNombreAsync_ExistingActiveNombre_ReturnsTrue()
+    {
+        var pt = ProductType.ForCreation("Tipo Unico", false, false, false, false, false, null, null, null, null, _timeProvider);
+        await _repository.AddAsync(pt);
+
+        var exists = await _repository.ExistsByNombreAsync("Tipo Unico");
+
+        exists.Should().BeTrue();
+    }
+
+    [Fact]
+    public async Task ExistsByNombreAsync_WithExcludeId_ExcludesSelf()
+    {
+        var pt = ProductType.ForCreation("Auto-Excluido", false, false, false, false, false, null, null, null, null, _timeProvider);
+        var id = await _repository.AddAsync(pt);
+
+        var exists = await _repository.ExistsByNombreAsync("Auto-Excluido", excludeId: id);
+
+        exists.Should().BeFalse();
+    }
+
+    [Fact]
+    public async Task ExistsByNombreAsync_InactiveNombre_ReturnsFalse()
+    {
+        var pt = ProductType.ForCreation("Tipo Inactivo", false, false, false, false, false, null, null, null, null, _timeProvider);
+        var id = await _repository.AddAsync(pt);
+        var entity = await _repository.GetByIdAsync(id);
+        await _repository.UpdateAsync(entity!.WithDeactivated(_timeProvider));
+
+        var exists = await _repository.ExistsByNombreAsync("Tipo Inactivo");
+
+        exists.Should().BeFalse();
+    }
+
+    // ── UpdateAsync ────────────────────────────────────────────────────────────
+
+    [Fact]
+    public async Task UpdateAsync_PersistsChanges()
+    {
+        var pt = ProductType.ForCreation("Original", false, false, false, false, false, null, null, null, null, _timeProvider);
+        var id = await _repository.AddAsync(pt);
+        var loaded = await _repository.GetByIdAsync(id);
+
+        var updated = loaded!
+            .WithRenamed("Renombrado", _timeProvider)
+            .WithUpdatedFlags(true, true, false, false, _timeProvider);
+        await _repository.UpdateAsync(updated);
+
+        var result = await _repository.GetByIdAsync(id);
+        result!.Nombre.Should().Be("Renombrado");
+        result.HasDuration.Should().BeTrue();
+        result.RequiresText.Should().BeTrue();
+        result.FechaModificacion.Should().NotBeNull();
+    }
+
+    [Fact]
+    public async Task UpdateAsync_DeactivatesAndRecordsHistory()
+    {
+        var pt = ProductType.ForCreation("Para Baja", false, false, false, false, false, null, null, null, null, _timeProvider);
+        var id = await _repository.AddAsync(pt);
+        var loaded = await _repository.GetByIdAsync(id);
+
+        await _repository.UpdateAsync(loaded!.WithDeactivated(_timeProvider));
+
+        var result = await _repository.GetByIdAsync(id);
+        result!.IsActive.Should().BeFalse();
+
+        // Verify temporal history has at least 1 row
+        var historyCount = await _db.Connection.ExecuteScalarAsync<int>(
+            "SELECT COUNT(1) FROM dbo.ProductType_History WHERE Id = @Id", new { Id = id });
+        historyCount.Should().BeGreaterThan(0);
+    }
+
+    // ── GetPagedAsync ──────────────────────────────────────────────────────────
+
+    [Fact]
+    public async Task GetPagedAsync_FiltersActiveByDefault()
+    {
+        var active = ProductType.ForCreation("Activo Paginado", false, false, false, false, false, null, null, null, null, _timeProvider);
+        var inactive = ProductType.ForCreation("Inactivo Paginado", false, false, false, false, false, null, null, null, null, _timeProvider);
+
+        await _repository.AddAsync(active);
+        var inactiveId = await _repository.AddAsync(inactive);
+        var inactiveLoaded = await _repository.GetByIdAsync(inactiveId);
+        await _repository.UpdateAsync(inactiveLoaded!.WithDeactivated(_timeProvider));
+
+        var query = new SIGCM2.Application.Common.ProductTypesQuery(Page: 1, PageSize: 50, Activo: true);
+        var result = await _repository.GetPagedAsync(query);
+
+        result.Items.Should().Contain(x => x.Nombre == "Activo Paginado");
+        result.Items.Should().NotContain(x => x.Nombre == "Inactivo Paginado");
+    }
+
+    [Fact]
+    public async Task GetPagedAsync_SearchFilter_FiltersCorrectly()
+    {
+        await _repository.AddAsync(ProductType.ForCreation("Buscar ABC", false, false, false, false, false, null, null, null, null, _timeProvider));
+        await _repository.AddAsync(ProductType.ForCreation("Otro Tipo", false, false, false, false, false, null, null, null, null, _timeProvider));
+
+        var query = new SIGCM2.Application.Common.ProductTypesQuery(Page: 1, PageSize: 50, Activo: null, Search: "ABC");
+        var result = await _repository.GetPagedAsync(query);
+
+        result.Items.Should().Contain(x => x.Nombre == "Buscar ABC");
+        result.Items.Should().NotContain(x => x.Nombre == "Otro Tipo");
+    }
+
+    [Fact]
+    public async Task GetPagedAsync_Pagination_RespectsPageSize()
+    {
+        for (var i = 1; i <= 5; i++)
+            await _repository.AddAsync(ProductType.ForCreation($"Paginado {i:D2}", false, false, false, false, false, null, null, null, null, _timeProvider));
+
+        var query = new SIGCM2.Application.Common.ProductTypesQuery(Page: 1, PageSize: 3, Activo: null);
+        var result = await _repository.GetPagedAsync(query);
+
+        result.Items.Should().HaveCount(3);
+        result.Total.Should().BeGreaterThanOrEqualTo(5);
+        result.Page.Should().Be(1);
+        result.PageSize.Should().Be(3);
+    }
+}
diff --git a/tests/SIGCM2.Application.Tests/ProductTypes/Update/UpdateProductTypeCommandHandlerTests.cs b/tests/SIGCM2.Application.Tests/ProductTypes/Update/UpdateProductTypeCommandHandlerTests.cs
new file mode 100644
index 0000000..b6f0b58
--- /dev/null
+++ b/tests/SIGCM2.Application.Tests/ProductTypes/Update/UpdateProductTypeCommandHandlerTests.cs
@@ -0,0 +1,179 @@
+using FluentAssertions;
+using Microsoft.Extensions.Time.Testing;
+using NSubstitute;
+using NSubstitute.ExceptionExtensions;
+using SIGCM2.Application.Abstractions.Persistence;
+using SIGCM2.Application.Audit;
+using SIGCM2.Application.ProductTypes.Update;
+using SIGCM2.Domain.Entities;
+using SIGCM2.Domain.Exceptions;
+
+namespace SIGCM2.Application.Tests.ProductTypes.Update;
+
+public class UpdateProductTypeCommandHandlerTests
+{
+    private readonly IProductTypeRepository _repo = Substitute.For<IProductTypeRepository>();
+    private readonly IAuditLogger _audit = Substitute.For<IAuditLogger>();
+    private readonly FakeTimeProvider _timeProvider = new(new DateTimeOffset(2026, 4, 19, 12, 0, 0, TimeSpan.Zero));
+    private readonly UpdateProductTypeCommandHandler _handler;
+
+    public UpdateProductTypeCommandHandlerTests()
+    {
+        _repo.ExistsByNombreAsync(Arg.Any<string>(), Arg.Any<int?>(), Arg.Any<CancellationToken>()).Returns(false);
+        _handler = new UpdateProductTypeCommandHandler(_repo, _audit, _timeProvider);
+    }
+
+    private static ProductType ExistingType(int id = 1, string nombre = "Clasificados", bool isActive = true) =>
+        new(id, nombre, false, false, false, false, false, null, null, null, null,
+            isActive, new DateTime(2026, 1, 1, 0, 0, 0, DateTimeKind.Utc), null);
+
+    private static UpdateProductTypeCommand ValidCommand(int id = 1, string nombre = "Clasificados Actualizado") => new(
+        Id: id,
+        Nombre: nombre,
+        HasDuration: true, RequiresText: false, RequiresCategory: true, IsBundle: false,
+        AllowImages: false,
+        MaxImages: null, MaxImageSizeMB: null, MaxImageWidth: null, MaxImageHeight: null);
+
+    // ── Not found ────────────────────────────────────────────────────────────
+
+    [Fact]
+    public async Task Handle_NotFound_ThrowsProductTypeNotFoundException()
+    {
+        _repo.GetByIdAsync(1, Arg.Any<CancellationToken>()).Returns((ProductType?)null);
+
+        var act = async () => await _handler.Handle(ValidCommand());
+
+        await act.Should().ThrowAsync<ProductTypeNotFoundException>()
+            .Where(e => e.ProductTypeId == 1);
+    }
+
+    // ── Nombre duplicado ─────────────────────────────────────────────────────
+
+    [Fact]
+    public async Task Handle_RenameToSameName_DoesNotCheckDuplicate()
+    {
+        // Same nombre → no duplicate check needed
+        _repo.GetByIdAsync(1, Arg.Any<CancellationToken>()).Returns(ExistingType(nombre: "Clasificados"));
+
+        await _handler.Handle(ValidCommand(nombre: "Clasificados"));
+
+        await _repo.DidNotReceive().ExistsByNombreAsync(
+            Arg.Any<string>(), Arg.Any<int?>(), Arg.Any<CancellationToken>());
+    }
+
+    [Fact]
+    public async Task Handle_RenameToExistingActiveName_ThrowsProductTypeNombreDuplicadoException()
+    {
+        _repo.GetByIdAsync(1, Arg.Any<CancellationToken>()).Returns(ExistingType(nombre: "Clasificados"));
+        _repo.ExistsByNombreAsync("Notables", 1, Arg.Any<CancellationToken>()).Returns(true);
+
+        var act = async () => await _handler.Handle(ValidCommand(nombre: "Notables"));
+
+        await act.Should().ThrowAsync<ProductTypeNombreDuplicadoException>();
+    }
+
+    // ── Happy path ───────────────────────────────────────────────────────────
+
+    [Fact]
+    public async Task Handle_ValidUpdate_PersistsAndAuditsProductoTipoUpdated()
+    {
+        _repo.GetByIdAsync(1, Arg.Any<CancellationToken>()).Returns(ExistingType());
+
+        await _handler.Handle(ValidCommand());
+
+        await _repo.Received(1).UpdateAsync(Arg.Any<ProductType>(), Arg.Any<CancellationToken>());
+        await _audit.Received(1).LogAsync(
+            action: "producto_tipo.updated",
+            targetType: "ProductType",
+            targetId: "1",
+            metadata: Arg.Any<object?>(),
+            ct: Arg.Any<CancellationToken>());
+    }
+
+    [Fact]
+    public async Task Handle_TurnOffAllowImages_NullifiesMultimedia()
+    {
+        var existing = new ProductType(
+            1, "Tipo", false, false, false, false,
+            allowImages: true, maxImages: 5, maxImageSizeMB: 2.0m, maxImageWidth: 800, maxImageHeight: 600,
+            isActive: true, DateTime.UtcNow, null);
+        _repo.GetByIdAsync(1, Arg.Any<CancellationToken>()).Returns(existing);
+
+        var cmd = ValidCommand() with { AllowImages = false };
+        await _handler.Handle(cmd);
+
+        await _repo.Received(1).UpdateAsync(
+            Arg.Is<ProductType>(pt => !pt.AllowImages && pt.MaxImages == null),
+            Arg.Any<CancellationToken>());
+    }
+
+    [Fact]
+    public async Task Handle_UpdatesFechaModificacion_WithTimeProvider()
+    {
+        _repo.GetByIdAsync(1, Arg.Any<CancellationToken>()).Returns(ExistingType());
+        var expectedDate = _timeProvider.GetUtcNow().UtcDateTime;
+
+        await _handler.Handle(ValidCommand());
+
+        await _repo.Received(1).UpdateAsync(
+            Arg.Is<ProductType>(pt => pt.FechaModificacion == expectedDate),
+            Arg.Any<CancellationToken>());
+    }
+
+    [Fact]
+    public async Task Handle_PreservesIsActiveFromTarget()
+    {
+        _repo.GetByIdAsync(1, Arg.Any<CancellationToken>()).Returns(ExistingType(isActive: true));
+
+        await _handler.Handle(ValidCommand());
+
+        await _repo.Received(1).UpdateAsync(
+            Arg.Is<ProductType>(pt => pt.IsActive),
+            Arg.Any<CancellationToken>());
+    }
+
+    // ── Rollback scenarios ────────────────────────────────────────────────────
+
+    [Fact]
+    public async Task Handle_RepoThrows_NoAudit_Rollback()
+    {
+        _repo.GetByIdAsync(1, Arg.Any<CancellationToken>()).Returns(ExistingType());
+        _repo.UpdateAsync(Arg.Any<ProductType>(), Arg.Any<CancellationToken>())
+             .ThrowsAsync(new InvalidOperationException("DB"));
+
+        var act = async () => await _handler.Handle(ValidCommand());
+        await act.Should().ThrowAsync<InvalidOperationException>();
+
+        await _audit.DidNotReceive().LogAsync(
+            Arg.Any<string>(), Arg.Any<string>(), Arg.Any<string>(),
+            Arg.Any<object?>(), Arg.Any<CancellationToken>());
+    }
+
+    [Fact]
+    public async Task Handle_AuditThrows_Rollback()
+    {
+        _repo.GetByIdAsync(1, Arg.Any<CancellationToken>()).Returns(ExistingType());
+        _audit.LogAsync(Arg.Any<string>(), Arg.Any<string>(), Arg.Any<string>(),
+            Arg.Any<object?>(), Arg.Any<CancellationToken>())
+            .ThrowsAsync(new InvalidOperationException("Audit"));
+
+        var act = async () => await _handler.Handle(ValidCommand());
+
+        await act.Should().ThrowAsync<InvalidOperationException>();
+    }
+
+    [Fact]
+    public async Task Handle_AuditLoggerLogsBeforeAndAfter()
+    {
+        _repo.GetByIdAsync(1, Arg.Any<CancellationToken>()).Returns(ExistingType(nombre: "Antes"));
+
+        await _handler.Handle(ValidCommand(nombre: "Despues"));
+
+        await _audit.Received(1).LogAsync(
+            action: "producto_tipo.updated",
+            targetType: "ProductType",
+            targetId: "1",
+            metadata: Arg.Any<object?>(),
+            ct: Arg.Any<CancellationToken>());
+    }
+}
diff --git a/tests/SIGCM2.Application.Tests/ProductTypes/Validators/ProductTypeValidatorsTests.cs b/tests/SIGCM2.Application.Tests/ProductTypes/Validators/ProductTypeValidatorsTests.cs
new file mode 100644
index 0000000..a4d1f7d
--- /dev/null
+++ b/tests/SIGCM2.Application.Tests/ProductTypes/Validators/ProductTypeValidatorsTests.cs
@@ -0,0 +1,130 @@
+using FluentAssertions;
+using FluentValidation.TestHelper;
+using SIGCM2.Application.ProductTypes.Create;
+using SIGCM2.Application.ProductTypes.Update;
+
+namespace SIGCM2.Application.Tests.ProductTypes.Validators;
+
+public class ProductTypeValidatorsTests
+{
+    private readonly CreateProductTypeCommandValidator _createValidator = new();
+    private readonly UpdateProductTypeCommandValidator _updateValidator = new();
+
+    // ── Create: Nombre validations ────────────────────────────────────────────
+
+    [Fact]
+    public void Create_NombreEmpty_FailsValidation()
+    {
+        var cmd = ValidCreateCommand() with { Nombre = "" };
+        var result = _createValidator.TestValidate(cmd);
+        result.ShouldHaveValidationErrorFor(x => x.Nombre);
+    }
+
+    [Fact]
+    public void Create_NombreWhitespace_FailsValidation()
+    {
+        var cmd = ValidCreateCommand() with { Nombre = "   " };
+        var result = _createValidator.TestValidate(cmd);
+        result.ShouldHaveValidationErrorFor(x => x.Nombre);
+    }
+
+    [Fact]
+    public void Create_NombreOver200Chars_FailsValidation()
+    {
+        var cmd = ValidCreateCommand() with { Nombre = new string('A', 201) };
+        var result = _createValidator.TestValidate(cmd);
+        result.ShouldHaveValidationErrorFor(x => x.Nombre);
+    }
+
+    // ── Create: MaxImages validations ─────────────────────────────────────────
+
+    [Fact]
+    public void Create_MaxImagesZero_FailsValidation()
+    {
+        var cmd = ValidCreateCommand() with { AllowImages = true, MaxImages = 0 };
+        var result = _createValidator.TestValidate(cmd);
+        result.ShouldHaveValidationErrorFor(x => x.MaxImages);
+    }
+
+    [Fact]
+    public void Create_MaxImagesNegative_FailsValidation()
+    {
+        var cmd = ValidCreateCommand() with { AllowImages = true, MaxImages = -1 };
+        var result = _createValidator.TestValidate(cmd);
+        result.ShouldHaveValidationErrorFor(x => x.MaxImages);
+    }
+
+    [Fact]
+    public void Create_MaxImageSizeMBZero_FailsValidation()
+    {
+        var cmd = ValidCreateCommand() with { MaxImageSizeMB = 0.0m };
+        var result = _createValidator.TestValidate(cmd);
+        result.ShouldHaveValidationErrorFor(x => x.MaxImageSizeMB);
+    }
+
+    [Fact]
+    public void Create_MaxImageWidthZero_FailsValidation()
+    {
+        var cmd = ValidCreateCommand() with { MaxImageWidth = 0 };
+        var result = _createValidator.TestValidate(cmd);
+        result.ShouldHaveValidationErrorFor(x => x.MaxImageWidth);
+    }
+
+    [Fact]
+    public void Create_MaxImageHeightZero_FailsValidation()
+    {
+        var cmd = ValidCreateCommand() with { MaxImageHeight = 0 };
+        var result = _createValidator.TestValidate(cmd);
+        result.ShouldHaveValidationErrorFor(x => x.MaxImageHeight);
+    }
+
+    // ── Create: valid commands pass ───────────────────────────────────────────
+
+    [Fact]
+    public void Create_ValidCommand_Passes()
+    {
+        var result = _createValidator.TestValidate(ValidCreateCommand());
+        result.ShouldNotHaveAnyValidationErrors();
+    }
+
+    [Fact]
+    public void Create_AllowImagesFalse_WithMaxImagesSet_Passes()
+    {
+        // Normalization is handler's responsibility, not validator's
+        var cmd = ValidCreateCommand() with { AllowImages = false, MaxImages = 5 };
+        var result = _createValidator.TestValidate(cmd);
+        result.ShouldNotHaveAnyValidationErrors();
+    }
+
+    // ── Update: inherits same rules + Id > 0 ─────────────────────────────────
+
+    [Fact]
+    public void Update_IdZero_FailsValidation()
+    {
+        var cmd = ValidUpdateCommand() with { Id = 0 };
+        var result = _updateValidator.TestValidate(cmd);
+        result.ShouldHaveValidationErrorFor(x => x.Id);
+    }
+
+    [Fact]
+    public void Update_ValidCommand_Passes()
+    {
+        var result = _updateValidator.TestValidate(ValidUpdateCommand());
+        result.ShouldNotHaveAnyValidationErrors();
+    }
+
+    // ── Helpers ───────────────────────────────────────────────────────────────
+
+    private static CreateProductTypeCommand ValidCreateCommand() => new(
+        Nombre: "Clasificados",
+        HasDuration: false, RequiresText: false, RequiresCategory: false, IsBundle: false,
+        AllowImages: false,
+        MaxImages: null, MaxImageSizeMB: null, MaxImageWidth: null, MaxImageHeight: null);
+
+    private static UpdateProductTypeCommand ValidUpdateCommand() => new(
+        Id: 1,
+        Nombre: "Clasificados",
+        HasDuration: false, RequiresText: false, RequiresCategory: false, IsBundle: false,
+        AllowImages: false,
+        MaxImages: null, MaxImageSizeMB: null, MaxImageWidth: null, MaxImageHeight: null);
+}
diff --git a/tests/SIGCM2.TestSupport/SqlTestFixture.cs b/tests/SIGCM2.TestSupport/SqlTestFixture.cs
index c6bc106..f2737da 100644
--- a/tests/SIGCM2.TestSupport/SqlTestFixture.cs
+++ b/tests/SIGCM2.TestSupport/SqlTestFixture.cs
@@ -60,6 +60,9 @@ public sealed class SqlTestFixture : IAsyncLifetime
         // V016 (CAT-001): ensure dbo.Rubro + temporal + permiso 'catalogo:rubros:gestionar'.
         await EnsureV016SchemaAsync();
 
+        // V017 (PRD-001): ensure dbo.ProductType + temporal + permiso 'catalogo:tipos:gestionar'.
+        await EnsureV017SchemaAsync();
+
         _respawner = await Respawner.CreateAsync(_connection, new RespawnerOptions
         {
             DbAdapter = DbAdapter.SqlServer,
@@ -86,6 +89,8 @@ public sealed class SqlTestFixture : IAsyncLifetime
                 new Respawn.Graph.Table("dbo", "IngresosBrutos"),
                 // CAT-001 (V016): Rubro es temporal — history no puede deletearse directo.
                 new Respawn.Graph.Table("dbo", "Rubro_History"),
+                // PRD-001 (V017): ProductType es temporal — history no puede deletearse directo.
+                new Respawn.Graph.Table("dbo", "ProductType_History"),
             ]
         });
 
@@ -933,4 +938,77 @@ public sealed class SqlTestFixture : IAsyncLifetime
         await _connection.ExecuteAsync(createUqIndex);
         await _connection.ExecuteAsync(createCoveringIndex);
     }
+
+    private async Task EnsureV017SchemaAsync()
+    {
+        const string createProductType = """
+            IF OBJECT_ID(N'dbo.ProductType', N'U') IS NULL
+            BEGIN
+                CREATE TABLE dbo.ProductType (
+                    Id                INT IDENTITY(1,1)     NOT NULL CONSTRAINT PK_ProductType PRIMARY KEY,
+                    Nombre            NVARCHAR(200)         COLLATE SQL_Latin1_General_CP1_CI_AI NOT NULL,
+                    HasDuration       BIT                   NOT NULL CONSTRAINT DF_ProductType_HasDuration       DEFAULT(0),
+                    RequiresText      BIT                   NOT NULL CONSTRAINT DF_ProductType_RequiresText      DEFAULT(0),
+                    RequiresCategory  BIT                   NOT NULL CONSTRAINT DF_ProductType_RequiresCategory  DEFAULT(0),
+                    IsBundle          BIT                   NOT NULL CONSTRAINT DF_ProductType_IsBundle          DEFAULT(0),
+                    AllowImages       BIT                   NOT NULL CONSTRAINT DF_ProductType_AllowImages       DEFAULT(0),
+                    MaxImages         INT                   NULL,
+                    MaxImageSizeMB    DECIMAL(10,2)         NULL,
+                    MaxImageWidth     INT                   NULL,
+                    MaxImageHeight    INT                   NULL,
+                    IsActive          BIT                   NOT NULL CONSTRAINT DF_ProductType_IsActive          DEFAULT(1),
+                    FechaCreacion     DATETIME2(3)          NOT NULL CONSTRAINT DF_ProductType_FechaCreacion     DEFAULT(SYSUTCDATETIME()),
+                    FechaModificacion DATETIME2(3)          NULL
+                );
+            END
+            """;
+
+        const string addProductTypePeriod = """
+            IF COL_LENGTH('dbo.ProductType', 'ValidFrom') IS NULL
+            BEGIN
+                ALTER TABLE dbo.ProductType
+                ADD
+                    ValidFrom DATETIME2(3) GENERATED ALWAYS AS ROW START HIDDEN NOT NULL
+                        CONSTRAINT DF_ProductType_ValidFrom DEFAULT(SYSUTCDATETIME()),
+                    ValidTo   DATETIME2(3) GENERATED ALWAYS AS ROW END   HIDDEN NOT NULL
+                        CONSTRAINT DF_ProductType_ValidTo   DEFAULT(CONVERT(DATETIME2(3), '9999-12-31 23:59:59.999')),
+                    PERIOD FOR SYSTEM_TIME (ValidFrom, ValidTo);
+            END
+            """;
+
+        const string setProductTypeVersioning = """
+            IF NOT EXISTS (SELECT 1 FROM sys.tables WHERE object_id = OBJECT_ID('dbo.ProductType') AND temporal_type = 2)
+            BEGIN
+                ALTER TABLE dbo.ProductType
+                SET (SYSTEM_VERSIONING = ON (
+                    HISTORY_TABLE = dbo.ProductType_History,
+                    HISTORY_RETENTION_PERIOD = 10 YEARS
+                ));
+            END
+            """;
+
+        const string createUqIndex = """
+            IF NOT EXISTS (SELECT 1 FROM sys.indexes WHERE name = 'UQ_ProductType_Nombre_Activo' AND object_id = OBJECT_ID('dbo.ProductType'))
+            BEGIN
+                CREATE UNIQUE INDEX UQ_ProductType_Nombre_Activo
+                    ON dbo.ProductType(Nombre)
+                    WHERE IsActive = 1;
+            END
+            """;
+
+        const string createCoveringIndex = """
+            IF NOT EXISTS (SELECT 1 FROM sys.indexes WHERE name = 'IX_ProductType_IsActive_Cover' AND object_id = OBJECT_ID('dbo.ProductType'))
+            BEGIN
+                CREATE INDEX IX_ProductType_IsActive_Cover
+                    ON dbo.ProductType(IsActive)
+                    INCLUDE (Nombre, HasDuration, RequiresText, RequiresCategory, IsBundle, AllowImages);
+            END
+            """;
+
+        await _connection.ExecuteAsync(createProductType);
+        await _connection.ExecuteAsync(addProductTypePeriod);
+        await _connection.ExecuteAsync(setProductTypeVersioning);
+        await _connection.ExecuteAsync(createUqIndex);
+        await _connection.ExecuteAsync(createCoveringIndex);
+    }
 }