diff --git a/homeassistant/components/google/calendar.py b/homeassistant/components/google/calendar.py
index ffd12fcfcf9..6f2b571d96b 100644
--- a/homeassistant/components/google/calendar.py
+++ b/homeassistant/components/google/calendar.py
@@ -6,7 +6,7 @@ import asyncio
 from collections.abc import Iterable
 from datetime import datetime, timedelta
 import logging
-from typing import Any
+from typing import Any, Union, cast
 
 from gcal_sync.api import (
     GoogleCalendarService,
@@ -384,7 +384,12 @@ class CalendarQueryUpdateCoordinator(DataUpdateCoordinator[list[Event]]):
         return self.data
 
 
-class GoogleCalendarEntity(CoordinatorEntity, CalendarEntity):
+class GoogleCalendarEntity(
+    CoordinatorEntity[
+        Union[CalendarSyncUpdateCoordinator, CalendarQueryUpdateCoordinator]
+    ],
+    CalendarEntity,
+):
     """A calendar event entity."""
 
     _attr_has_entity_name = True
@@ -401,7 +406,6 @@ class GoogleCalendarEntity(CoordinatorEntity, CalendarEntity):
     ) -> None:
         """Create the Calendar event device."""
         super().__init__(coordinator)
-        self.coordinator = coordinator
         self.calendar_id = calendar_id
         self._ignore_availability: bool = data.get(CONF_IGNORE_AVAILABILITY, False)
         self._event: CalendarEvent | None = None
@@ -535,7 +539,9 @@ class GoogleCalendarEntity(CoordinatorEntity, CalendarEntity):
         if rrule := kwargs.get(EVENT_RRULE):
             event.recurrence = [f"{RRULE_PREFIX}{rrule}"]
 
-        await self.coordinator.sync.store_service.async_add_event(event)
+        await cast(
+            CalendarSyncUpdateCoordinator, self.coordinator
+        ).sync.store_service.async_add_event(event)
         await self.coordinator.async_refresh()
 
     async def async_delete_event(
@@ -548,7 +554,9 @@ class GoogleCalendarEntity(CoordinatorEntity, CalendarEntity):
         range_value: Range = Range.NONE
         if recurrence_range == Range.THIS_AND_FUTURE:
             range_value = Range.THIS_AND_FUTURE
-        await self.coordinator.sync.store_service.async_delete_event(
+        await cast(
+            CalendarSyncUpdateCoordinator, self.coordinator
+        ).sync.store_service.async_delete_event(
             ical_uuid=uid,
             event_id=recurrence_id,
             recurrence_range=range_value,
@@ -612,7 +620,9 @@ async def async_create_event(entity: GoogleCalendarEntity, call: ServiceCall) ->
         raise ValueError("Missing required fields to set start or end date/datetime")
 
     try:
-        await entity.coordinator.sync.api.async_create_event(
+        await cast(
+            CalendarSyncUpdateCoordinator, entity.coordinator
+        ).sync.api.async_create_event(
             entity.calendar_id,
             Event(
                 summary=call.data[EVENT_SUMMARY],