diff --git a/homeassistant/components/maxcube/climate.py b/homeassistant/components/maxcube/climate.py
index 65b1795023f..c20a855d656 100644
--- a/homeassistant/components/maxcube/climate.py
+++ b/homeassistant/components/maxcube/climate.py
@@ -192,7 +192,7 @@ class MaxCubeClimate(ClimateEntity):
         self._set_target(None, temp)
 
     @property
-    def preset_mode(self):
+    def preset_mode(self) -> str:
         """Return the current preset mode."""
         if self._device.mode == MAX_DEVICE_MODE_MANUAL:
             if self._device.target_temperature == self._device.comfort_temperature:
diff --git a/homeassistant/components/nexia/climate.py b/homeassistant/components/nexia/climate.py
index 52ff87e11c7..1e698713935 100644
--- a/homeassistant/components/nexia/climate.py
+++ b/homeassistant/components/nexia/climate.py
@@ -225,7 +225,7 @@ class NexiaZone(NexiaThermostatZoneEntity, ClimateEntity):
         self._signal_thermostat_update()
 
     @property
-    def preset_mode(self):
+    def preset_mode(self) -> str | None:
         """Preset that is active."""
         return self._zone.get_preset()
 
diff --git a/homeassistant/components/nuheat/climate.py b/homeassistant/components/nuheat/climate.py
index 85e24c116f9..6a38bb160be 100644
--- a/homeassistant/components/nuheat/climate.py
+++ b/homeassistant/components/nuheat/climate.py
@@ -154,7 +154,7 @@ class NuHeatThermostat(CoordinatorEntity, ClimateEntity):
         return nuheat_to_fahrenheit(self._target_temperature)
 
     @property
-    def preset_mode(self):
+    def preset_mode(self) -> str:
         """Return current preset mode."""
         return SCHEDULE_MODE_TO_PRESET_MODE_MAP.get(self._schedule_mode, PRESET_RUN)
 
diff --git a/homeassistant/components/vicare/climate.py b/homeassistant/components/vicare/climate.py
index 603d82cbf7f..deb053eebc7 100644
--- a/homeassistant/components/vicare/climate.py
+++ b/homeassistant/components/vicare/climate.py
@@ -282,8 +282,10 @@ class ViCareClimate(ViCareEntity, ClimateEntity):
             self._attr_target_temperature = temp
 
     @property
-    def preset_mode(self):
+    def preset_mode(self) -> str | None:
         """Return the current preset mode, e.g., home, away, temp."""
+        if self._current_program is None:
+            return None
         return HeatingProgram.to_ha_preset(self._current_program)
 
     def set_preset_mode(self, preset_mode: str) -> None:
diff --git a/pylint/plugins/hass_enforce_type_hints.py b/pylint/plugins/hass_enforce_type_hints.py
index a562ea69d68..889d8ea10a3 100644
--- a/pylint/plugins/hass_enforce_type_hints.py
+++ b/pylint/plugins/hass_enforce_type_hints.py
@@ -1225,6 +1225,7 @@ _INHERITANCE_MATCH: dict[str, list[ClassTypeHintMatch]] = {
                 TypeHintMatch(
                     function_name="preset_mode",
                     return_type=["str", None],
+                    mandatory=True,
                 ),
                 TypeHintMatch(
                     function_name="preset_modes",
@@ -1602,6 +1603,7 @@ _INHERITANCE_MATCH: dict[str, list[ClassTypeHintMatch]] = {
                 TypeHintMatch(
                     function_name="preset_mode",
                     return_type=["str", None],
+                    mandatory=True,
                 ),
                 TypeHintMatch(
                     function_name="preset_modes",