diff --git a/homeassistant/components/lutron/__init__.py b/homeassistant/components/lutron/__init__.py
index b5b7f4d1b31c..d89797eedc71 100644
--- a/homeassistant/components/lutron/__init__.py
+++ b/homeassistant/components/lutron/__init__.py
@@ -2,7 +2,7 @@
 from dataclasses import dataclass
 import logging
 
-from pylutron import Button, Led, Lutron, OccupancyGroup, Output
+from pylutron import Button, Keypad, Led, Lutron, LutronEvent, OccupancyGroup, Output
 import voluptuous as vol
 
 from homeassistant import config_entries
@@ -110,7 +110,9 @@ class LutronButton:
     represented as an entity; it simply fires events.
     """
 
-    def __init__(self, hass: HomeAssistant, area_name, keypad, button) -> None:
+    def __init__(
+        self, hass: HomeAssistant, area_name: str, keypad: Keypad, button: Button
+    ) -> None:
         """Register callback for activity on the button."""
         name = f"{keypad.name}: {button.name}"
         if button.name == "Unknown Button":
@@ -130,7 +132,9 @@ class LutronButton:
 
         button.subscribe(self.button_callback, None)
 
-    def button_callback(self, button, context, event, params):
+    def button_callback(
+        self, _button: Button, _context: None, event: LutronEvent, _params: dict
+    ) -> None:
         """Fire an event about a button being pressed or released."""
         # Events per button type:
         #   RaiseLower -> pressed/released
@@ -154,17 +158,17 @@ class LutronButton:
             self._hass.bus.fire(self._event, data)
 
 
-@dataclass(slots=True)
+@dataclass(slots=True, kw_only=True)
 class LutronData:
     """Storage class for platform global data."""
 
     client: Lutron
-    covers: list[tuple[str, Output]]
-    lights: list[tuple[str, Output]]
-    switches: list[tuple[str, Output]]
-    scenes: list[tuple[str, str, Button, Led]]
     binary_sensors: list[tuple[str, OccupancyGroup]]
     buttons: list[LutronButton]
+    covers: list[tuple[str, Output]]
+    lights: list[tuple[str, Output]]
+    scenes: list[tuple[str, str, Button, Led]]
+    switches: list[tuple[str, Output]]
 
 
 async def async_setup_entry(hass: HomeAssistant, config_entry: ConfigEntry) -> bool:
@@ -181,12 +185,12 @@ async def async_setup_entry(hass: HomeAssistant, config_entry: ConfigEntry) -> b
 
     entry_data = LutronData(
         client=lutron_client,
-        covers=[],
-        lights=[],
-        switches=[],
-        scenes=[],
         binary_sensors=[],
         buttons=[],
+        covers=[],
+        lights=[],
+        scenes=[],
+        switches=[],
     )
     # Sort our devices into types
     _LOGGER.debug("Start adding devices")
diff --git a/homeassistant/components/lutron/binary_sensor.py b/homeassistant/components/lutron/binary_sensor.py
index 65f9bd4d3900..8433724d4895 100644
--- a/homeassistant/components/lutron/binary_sensor.py
+++ b/homeassistant/components/lutron/binary_sensor.py
@@ -49,6 +49,7 @@ class LutronOccupancySensor(LutronDevice, BinarySensorEntity):
     reported as a single occupancy group.
     """
 
+    _lutron_device: OccupancyGroup
     _attr_device_class = BinarySensorDeviceClass.OCCUPANCY
 
     @property
diff --git a/homeassistant/components/lutron/cover.py b/homeassistant/components/lutron/cover.py
index 1658d92b79c0..1941c050aa49 100644
--- a/homeassistant/components/lutron/cover.py
+++ b/homeassistant/components/lutron/cover.py
@@ -5,6 +5,8 @@ from collections.abc import Mapping
 import logging
 from typing import Any
 
+from pylutron import Output
+
 from homeassistant.components.cover import (
     ATTR_POSITION,
     CoverEntity,
@@ -33,7 +35,7 @@ async def async_setup_entry(
     entry_data: LutronData = hass.data[DOMAIN][config_entry.entry_id]
     async_add_entities(
         [
-            LutronCover(area_name, device, entry_data.covers)
+            LutronCover(area_name, device, entry_data.client)
             for area_name, device in entry_data.covers
         ],
         True,
@@ -48,6 +50,7 @@ class LutronCover(LutronDevice, CoverEntity):
         | CoverEntityFeature.CLOSE
         | CoverEntityFeature.SET_POSITION
     )
+    _lutron_device: Output
 
     @property
     def is_closed(self) -> bool:
diff --git a/homeassistant/components/lutron/entity.py b/homeassistant/components/lutron/entity.py
index 238c2e3c5529..423186eceae0 100644
--- a/homeassistant/components/lutron/entity.py
+++ b/homeassistant/components/lutron/entity.py
@@ -1,4 +1,7 @@
 """Base class for Lutron devices."""
+
+from pylutron import Lutron, LutronEntity, LutronEvent
+
 from homeassistant.helpers.entity import Entity
 
 
@@ -7,7 +10,9 @@ class LutronDevice(Entity):
 
     _attr_should_poll = False
 
-    def __init__(self, area_name, lutron_device, controller) -> None:
+    def __init__(
+        self, area_name: str, lutron_device: LutronEntity, controller: Lutron
+    ) -> None:
         """Initialize the device."""
         self._lutron_device = lutron_device
         self._controller = controller
@@ -17,7 +22,9 @@ class LutronDevice(Entity):
         """Register callbacks."""
         self._lutron_device.subscribe(self._update_callback, None)
 
-    def _update_callback(self, _device, _context, _event, _params):
+    def _update_callback(
+        self, _device: LutronEntity, _context: None, _event: LutronEvent, _params: dict
+    ) -> None:
         """Run when invoked by pylutron when the device state changes."""
         self.schedule_update_ha_state()
 
@@ -27,7 +34,7 @@ class LutronDevice(Entity):
         return f"{self._area_name} {self._lutron_device.name}"
 
     @property
-    def unique_id(self):
+    def unique_id(self) -> str | None:
         """Return a unique ID."""
         # Temporary fix for https://github.com/thecynic/pylutron/issues/70
         if self._lutron_device.uuid is None:
diff --git a/homeassistant/components/lutron/light.py b/homeassistant/components/lutron/light.py
index a04006de61f5..b6860a4e8182 100644
--- a/homeassistant/components/lutron/light.py
+++ b/homeassistant/components/lutron/light.py
@@ -4,6 +4,8 @@ from __future__ import annotations
 from collections.abc import Mapping
 from typing import Any
 
+from pylutron import Output
+
 from homeassistant.components.light import ATTR_BRIGHTNESS, ColorMode, LightEntity
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.core import HomeAssistant
@@ -48,11 +50,8 @@ class LutronLight(LutronDevice, LightEntity):
 
     _attr_color_mode = ColorMode.BRIGHTNESS
     _attr_supported_color_modes = {ColorMode.BRIGHTNESS}
-
-    def __init__(self, area_name, lutron_device, controller) -> None:
-        """Initialize the light."""
-        self._prev_brightness = None
-        super().__init__(area_name, lutron_device, controller)
+    _lutron_device: Output
+    _prev_brightness: int | None = None
 
     @property
     def brightness(self) -> int:
diff --git a/homeassistant/components/lutron/scene.py b/homeassistant/components/lutron/scene.py
index 2033a9024bfd..ae8f787d290b 100644
--- a/homeassistant/components/lutron/scene.py
+++ b/homeassistant/components/lutron/scene.py
@@ -3,6 +3,8 @@ from __future__ import annotations
 
 from typing import Any
 
+from pylutron import Button, Led, Lutron
+
 from homeassistant.components.scene import Scene
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.core import HomeAssistant
@@ -36,7 +38,16 @@ async def async_setup_entry(
 class LutronScene(LutronDevice, Scene):
     """Representation of a Lutron Scene."""
 
-    def __init__(self, area_name, keypad_name, lutron_device, lutron_led, controller):
+    _lutron_device: Button
+
+    def __init__(
+        self,
+        area_name: str,
+        keypad_name: str,
+        lutron_device: Button,
+        lutron_led: Led,
+        controller: Lutron,
+    ) -> None:
         """Initialize the scene/button."""
         super().__init__(area_name, lutron_device, controller)
         self._keypad_name = keypad_name
diff --git a/homeassistant/components/lutron/switch.py b/homeassistant/components/lutron/switch.py
index b418c9c481c1..5cb7dcf53d83 100644
--- a/homeassistant/components/lutron/switch.py
+++ b/homeassistant/components/lutron/switch.py
@@ -4,6 +4,8 @@ from __future__ import annotations
 from collections.abc import Mapping
 from typing import Any
 
+from pylutron import Button, Led, Lutron, Output
+
 from homeassistant.components.switch import SwitchEntity
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.core import HomeAssistant
@@ -42,7 +44,11 @@ async def async_setup_entry(
 class LutronSwitch(LutronDevice, SwitchEntity):
     """Representation of a Lutron Switch."""
 
-    def __init__(self, area_name, lutron_device, controller) -> None:
+    _lutron_device: Output
+
+    def __init__(
+        self, area_name: str, lutron_device: Output, controller: Lutron
+    ) -> None:
         """Initialize the switch."""
         self._prev_state = None
         super().__init__(area_name, lutron_device, controller)
@@ -74,7 +80,16 @@ class LutronSwitch(LutronDevice, SwitchEntity):
 class LutronLed(LutronDevice, SwitchEntity):
     """Representation of a Lutron Keypad LED."""
 
-    def __init__(self, area_name, keypad_name, scene_device, led_device, controller):
+    _lutron_device: Led
+
+    def __init__(
+        self,
+        area_name: str,
+        keypad_name: str,
+        scene_device: Button,
+        led_device: Led,
+        controller: Lutron,
+    ) -> None:
         """Initialize the switch."""
         self._keypad_name = keypad_name
         self._scene_name = scene_device.name