diff --git a/homeassistant/components/zwave_js/entity.py b/homeassistant/components/zwave_js/entity.py
index 285824ef2f1..b039113270d 100644
--- a/homeassistant/components/zwave_js/entity.py
+++ b/homeassistant/components/zwave_js/entity.py
@@ -92,7 +92,13 @@ class ZWaveBaseEntity(Entity):
     @property
     def available(self) -> bool:
         """Return entity availability."""
-        return self.client.connected and bool(self.info.node.ready)
+        return (
+            self.client.connected
+            and bool(self.info.node.ready)
+            # a None value indicates something wrong with the device,
+            # or the value is simply not yet there (it will arrive later).
+            and self.info.primary_value.value is not None
+        )
 
     @callback
     def _value_changed(self, event_data: dict) -> None: