diff --git a/homeassistant/helpers/area_registry.py b/homeassistant/helpers/area_registry.py
index 69b405c6af0..1384735e2fd 100644
--- a/homeassistant/helpers/area_registry.py
+++ b/homeassistant/helpers/area_registry.py
@@ -8,6 +8,7 @@ from typing import Any, Literal, TypedDict, cast
 
 from homeassistant.core import HomeAssistant, callback
 from homeassistant.util import slugify
+from homeassistant.util.event_type import EventType
 
 from . import device_registry as dr, entity_registry as er
 from .normalized_name_base_registry import (
@@ -20,7 +21,9 @@ from .storage import Store
 from .typing import UNDEFINED, UndefinedType
 
 DATA_REGISTRY = "area_registry"
-EVENT_AREA_REGISTRY_UPDATED = "area_registry_updated"
+EVENT_AREA_REGISTRY_UPDATED: EventType[EventAreaRegistryUpdatedData] = EventType(
+    "area_registry_updated"
+)
 STORAGE_KEY = "core.area_registry"
 STORAGE_VERSION_MAJOR = 1
 STORAGE_VERSION_MINOR = 6
@@ -219,7 +222,8 @@ class AreaRegistry(BaseRegistry[AreasRegistryStoreData]):
         self.areas[area.id] = area
         self.async_schedule_save()
         self.hass.bus.async_fire(
-            EVENT_AREA_REGISTRY_UPDATED, {"action": "create", "area_id": area.id}
+            EVENT_AREA_REGISTRY_UPDATED,
+            EventAreaRegistryUpdatedData(action="create", area_id=area.id),
         )
         return area
 
@@ -234,7 +238,8 @@ class AreaRegistry(BaseRegistry[AreasRegistryStoreData]):
         del self.areas[area_id]
 
         self.hass.bus.async_fire(
-            EVENT_AREA_REGISTRY_UPDATED, {"action": "remove", "area_id": area_id}
+            EVENT_AREA_REGISTRY_UPDATED,
+            EventAreaRegistryUpdatedData(action="remove", area_id=area_id),
         )
 
         self.async_schedule_save()
@@ -262,7 +267,8 @@ class AreaRegistry(BaseRegistry[AreasRegistryStoreData]):
             picture=picture,
         )
         self.hass.bus.async_fire(
-            EVENT_AREA_REGISTRY_UPDATED, {"action": "update", "area_id": area_id}
+            EVENT_AREA_REGISTRY_UPDATED,
+            EventAreaRegistryUpdatedData(action="update", area_id=area_id),
         )
         return updated
 
diff --git a/homeassistant/helpers/category_registry.py b/homeassistant/helpers/category_registry.py
index 7d559477f57..4ae920055a2 100644
--- a/homeassistant/helpers/category_registry.py
+++ b/homeassistant/helpers/category_registry.py
@@ -8,6 +8,7 @@ from dataclasses import dataclass, field
 from typing import Literal, TypedDict, cast
 
 from homeassistant.core import Event, HomeAssistant, callback
+from homeassistant.util.event_type import EventType
 from homeassistant.util.ulid import ulid_now
 
 from .registry import BaseRegistry
@@ -15,7 +16,9 @@ from .storage import Store
 from .typing import UNDEFINED, UndefinedType
 
 DATA_REGISTRY = "category_registry"
-EVENT_CATEGORY_REGISTRY_UPDATED = "category_registry_updated"
+EVENT_CATEGORY_REGISTRY_UPDATED: EventType[EventCategoryRegistryUpdatedData] = (
+    EventType("category_registry_updated")
+)
 STORAGE_KEY = "core.category_registry"
 STORAGE_VERSION_MAJOR = 1
 
diff --git a/homeassistant/helpers/floor_registry.py b/homeassistant/helpers/floor_registry.py
index a10d3af6101..4a11d85176a 100644
--- a/homeassistant/helpers/floor_registry.py
+++ b/homeassistant/helpers/floor_registry.py
@@ -9,6 +9,7 @@ from typing import Literal, TypedDict, cast
 
 from homeassistant.core import Event, HomeAssistant, callback
 from homeassistant.util import slugify
+from homeassistant.util.event_type import EventType
 
 from .normalized_name_base_registry import (
     NormalizedNameBaseRegistryEntry,
@@ -20,7 +21,9 @@ from .storage import Store
 from .typing import UNDEFINED, UndefinedType
 
 DATA_REGISTRY = "floor_registry"
-EVENT_FLOOR_REGISTRY_UPDATED = "floor_registry_updated"
+EVENT_FLOOR_REGISTRY_UPDATED: EventType[EventFloorRegistryUpdatedData] = EventType(
+    "floor_registry_updated"
+)
 STORAGE_KEY = "core.floor_registry"
 STORAGE_VERSION_MAJOR = 1
 
diff --git a/homeassistant/helpers/label_registry.py b/homeassistant/helpers/label_registry.py
index e409b41b26f..81901c71745 100644
--- a/homeassistant/helpers/label_registry.py
+++ b/homeassistant/helpers/label_registry.py
@@ -9,6 +9,7 @@ from typing import Literal, TypedDict, cast
 
 from homeassistant.core import Event, HomeAssistant, callback
 from homeassistant.util import slugify
+from homeassistant.util.event_type import EventType
 
 from .normalized_name_base_registry import (
     NormalizedNameBaseRegistryEntry,
@@ -20,7 +21,9 @@ from .storage import Store
 from .typing import UNDEFINED, UndefinedType
 
 DATA_REGISTRY = "label_registry"
-EVENT_LABEL_REGISTRY_UPDATED = "label_registry_updated"
+EVENT_LABEL_REGISTRY_UPDATED: EventType[EventLabelRegistryUpdatedData] = EventType(
+    "label_registry_updated"
+)
 STORAGE_KEY = "core.label_registry"
 STORAGE_VERSION_MAJOR = 1