diff --git a/homeassistant/components/envisalink/alarm_control_panel.py b/homeassistant/components/envisalink/alarm_control_panel.py
index 35cfe8558a8..ad65bf70275 100644
--- a/homeassistant/components/envisalink/alarm_control_panel.py
+++ b/homeassistant/components/envisalink/alarm_control_panel.py
@@ -141,14 +141,14 @@ class EnvisalinkAlarm(EnvisalinkDevice, AlarmControlPanelEntity):
             self.async_write_ha_state()
 
     @property
-    def code_format(self):
+    def code_format(self) -> CodeFormat | None:
         """Regex for code format or None if no code is required."""
         if self._code:
             return None
         return CodeFormat.NUMBER
 
     @property
-    def state(self):
+    def state(self) -> str:
         """Return the state of the device."""
         state = STATE_UNKNOWN
 
diff --git a/homeassistant/components/tuya/alarm_control_panel.py b/homeassistant/components/tuya/alarm_control_panel.py
index aca09131b4c..aae50902d03 100644
--- a/homeassistant/components/tuya/alarm_control_panel.py
+++ b/homeassistant/components/tuya/alarm_control_panel.py
@@ -116,7 +116,7 @@ class TuyaAlarmEntity(TuyaEntity, AlarmControlPanelEntity):
                 self._attr_supported_features |= AlarmControlPanelEntityFeature.TRIGGER
 
     @property
-    def state(self):
+    def state(self) -> str | None:
         """Return the state of the device."""
         if not (status := self.device.status.get(self.entity_description.key)):
             return None