diff --git a/zerver/lib/actions.py b/zerver/lib/actions.py
index 790aa405529a3..726357dd3f3c0 100644
--- a/zerver/lib/actions.py
+++ b/zerver/lib/actions.py
@@ -738,22 +738,37 @@ def do_set_realm_authentication_methods(realm: Realm,
 def do_set_realm_message_editing(realm: Realm,
                                  allow_message_editing: bool,
                                  message_content_edit_limit_seconds: int,
-                                 allow_community_topic_editing: bool) -> None:
+                                 allow_community_topic_editing: bool,
+                                 acting_user: Optional[UserProfile]=None) -> None:
+    old_values = dict(allow_message_editing=realm.allow_message_editing,
+                      message_content_edit_limit_seconds=realm.message_content_edit_limit_seconds,
+                      allow_community_topic_editing=realm.allow_community_topic_editing)
+
     realm.allow_message_editing = allow_message_editing
     realm.message_content_edit_limit_seconds = message_content_edit_limit_seconds
     realm.allow_community_topic_editing = allow_community_topic_editing
-    realm.save(update_fields=['allow_message_editing',
-                              'allow_community_topic_editing',
-                              'message_content_edit_limit_seconds',
-                              ],
-               )
+
+    event_time = timezone_now()
+    updated_properties = dict(allow_message_editing=allow_message_editing,
+                              message_content_edit_limit_seconds=message_content_edit_limit_seconds,
+                              allow_community_topic_editing=allow_community_topic_editing)
+
+    for updated_property, updated_value in updated_properties.items():
+        if updated_value == old_values[updated_property]:
+            continue
+        RealmAuditLog.objects.create(
+            realm=realm, event_type=RealmAuditLog.REALM_PROPERTY_CHANGED, event_time=event_time,
+            acting_user=acting_user, extra_data=ujson.dumps({
+                RealmAuditLog.OLD_VALUE: {'property': updated_property, 'value': old_values[updated_property]},
+                RealmAuditLog.NEW_VALUE: {'property': updated_property, 'value': updated_value}
+            }))
+
+    realm.save(update_fields=list(updated_properties.keys()))
     event = dict(
         type="realm",
         op="update_dict",
         property="default",
-        data=dict(allow_message_editing=allow_message_editing,
-                  message_content_edit_limit_seconds=message_content_edit_limit_seconds,
-                  allow_community_topic_editing=allow_community_topic_editing),
+        data=updated_properties,
     )
     send_event(realm, event, active_user_ids(realm.id))
 
diff --git a/zerver/tests/test_audit_log.py b/zerver/tests/test_audit_log.py
index 14774e8d565cb..4e36cea69ff09 100644
--- a/zerver/tests/test_audit_log.py
+++ b/zerver/tests/test_audit_log.py
@@ -24,6 +24,7 @@
     do_reactivate_user,
     do_regenerate_api_key,
     do_set_realm_authentication_methods,
+    do_set_realm_message_editing,
     get_last_message_id,
     get_streams_traffic,
 )
@@ -264,3 +265,28 @@ def test_get_last_message_id(self) -> None:
         Message.objects.all().delete()
 
         self.assertEqual(get_last_message_id(), -1)
+
+    def test_set_realm_message_editing(self) -> None:
+        now = timezone_now()
+        realm = get_realm('zulip')
+        user = self.example_user('hamlet')
+        old_values_expected = [{'property': 'message_content_edit_limit_seconds', 'value': realm.message_content_edit_limit_seconds},
+                               {'property': 'allow_community_topic_editing', 'value': realm.allow_community_topic_editing}]
+
+        do_set_realm_message_editing(realm, True, 1000, False, acting_user=user)
+        realm_audit_logs = RealmAuditLog.objects.filter(realm=realm, event_type=RealmAuditLog.REALM_PROPERTY_CHANGED,
+                                                        event_time__gte=now, acting_user=user)
+        self.assertEqual(realm_audit_logs.count(), 2)
+
+        # allow_message_editing was already True.
+        new_values_expected = [{'property': 'message_content_edit_limit_seconds', 'value': 1000},
+                               {'property': 'allow_community_topic_editing', 'value': False}]
+        new_values_seen = []
+        old_values_seen = []
+        for realm_audit_log in realm_audit_logs:
+            extra_data = ujson.loads(realm_audit_log.extra_data)
+            new_values_seen.append(extra_data[RealmAuditLog.NEW_VALUE])
+            old_values_seen.append(extra_data[RealmAuditLog.OLD_VALUE])
+
+        self.assertEqual(new_values_seen, new_values_expected)
+        self.assertEqual(old_values_seen, old_values_expected)
diff --git a/zerver/views/realm.py b/zerver/views/realm.py
index 807c77ccd02e0..4d9d39c793f07 100644
--- a/zerver/views/realm.py
+++ b/zerver/views/realm.py
@@ -154,7 +154,8 @@ def update_realm(
             allow_community_topic_editing = realm.allow_community_topic_editing
         do_set_realm_message_editing(realm, allow_message_editing,
                                      message_content_edit_limit_seconds,
-                                     allow_community_topic_editing)
+                                     allow_community_topic_editing,
+                                     acting_user=user_profile)
         data['allow_message_editing'] = allow_message_editing
         data['message_content_edit_limit_seconds'] = message_content_edit_limit_seconds
         data['allow_community_topic_editing'] = allow_community_topic_editing