diff --git a/homeassistant/components/nx584/binary_sensor.py b/homeassistant/components/nx584/binary_sensor.py
index cbd1796b768..6fdea44f836 100644
--- a/homeassistant/components/nx584/binary_sensor.py
+++ b/homeassistant/components/nx584/binary_sensor.py
@@ -116,7 +116,10 @@ class NX584ZoneSensor(BinarySensorEntity):
     @property
     def extra_state_attributes(self):
         """Return the state attributes."""
-        return {"zone_number": self._zone["number"]}
+        return {
+            "zone_number": self._zone["number"],
+            "bypassed": self._zone.get("bypassed", False),
+        }
 
 
 class NX584Watcher(threading.Thread):
diff --git a/tests/components/nx584/test_binary_sensor.py b/tests/components/nx584/test_binary_sensor.py
index 83f8a49c091..290567345ca 100644
--- a/tests/components/nx584/test_binary_sensor.py
+++ b/tests/components/nx584/test_binary_sensor.py
@@ -153,11 +153,28 @@ def test_nx584_zone_sensor_normal():
     assert not sensor.should_poll
     assert sensor.is_on
     assert sensor.extra_state_attributes["zone_number"] == 1
+    assert not sensor.extra_state_attributes["bypassed"]
 
     zone["state"] = False
     assert not sensor.is_on
 
 
+def test_nx584_zone_sensor_bypassed():
+    """Test for the NX584 zone sensor."""
+    zone = {"number": 1, "name": "foo", "state": True, "bypassed": True}
+    sensor = nx584.NX584ZoneSensor(zone, "motion")
+    assert sensor.name == "foo"
+    assert not sensor.should_poll
+    assert sensor.is_on
+    assert sensor.extra_state_attributes["zone_number"] == 1
+    assert sensor.extra_state_attributes["bypassed"]
+
+    zone["state"] = False
+    zone["bypassed"] = False
+    assert not sensor.is_on
+    assert not sensor.extra_state_attributes["bypassed"]
+
+
 @mock.patch.object(nx584.NX584ZoneSensor, "schedule_update_ha_state")
 def test_nx584_watcher_process_zone_event(mock_update):
     """Test the processing of zone events."""