diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index e0c7bd9b..9ca8b8f7 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,6 +1,12 @@
 Brewtils Changelog
 ==================
 
+3.27.3
+------
+TBD
+
+- Updated SystemClient to utilize the local Garden name for default Namespace if none can be determined
+
 3.27.2
 ------
 9/12/24
diff --git a/brewtils/rest/system_client.py b/brewtils/rest/system_client.py
index cb2a1b3f..374f673f 100644
--- a/brewtils/rest/system_client.py
+++ b/brewtils/rest/system_client.py
@@ -239,14 +239,14 @@ def __init__(self, *args, **kwargs):
             self._system_name = brewtils.plugin.CONFIG.name
             self._version_constraint = brewtils.plugin.CONFIG.version
             self._default_instance = brewtils.plugin.CONFIG.instance_name
-            self._system_namespace = brewtils.plugin.CONFIG.namespace or ""
+            self._system_namespace = brewtils.plugin.CONFIG.namespace or None
 
         else:
             self._system_name = kwargs.get("system_name")
             self._version_constraint = kwargs.get("version_constraint", "latest")
             self._default_instance = kwargs.get("default_instance", "default")
             self._system_namespace = kwargs.get(
-                "system_namespace", brewtils.plugin.CONFIG.namespace or ""
+                "system_namespace", brewtils.plugin.CONFIG.namespace or None
             )
             self._system_namespaces = kwargs.get("system_namespaces", [])
 
@@ -278,6 +278,10 @@ def __init__(self, *args, **kwargs):
         kwargs.setdefault("stacklevel", 5)
 
         self._easy_client = EasyClient(*args, **kwargs)
+
+        if self._system_namespace is None:
+            self._system_namespace = self._easy_client.get_config()["garden_name"]
+
         self._resolver = ResolutionManager(easy_client=self._easy_client)
         self.local_request_handler = LocalRequestProcessor(
             system=self._system,
diff --git a/test/rest/system_client_test.py b/test/rest/system_client_test.py
index b1411caf..036c76b7 100644
--- a/test/rest/system_client_test.py
+++ b/test/rest/system_client_test.py
@@ -38,6 +38,7 @@ def easy_client(monkeypatch, bg_system):
     mock = Mock(name="easy_client")
     mock.find_unique_system.return_value = bg_system
     mock.find_systems.return_value = [bg_system]
+    mock.get_config.return_value = {"garden_name": bg_system.namespace}
     mock.client.bg_host = "localhost"
     mock.client.bg_port = 3000
 
@@ -104,7 +105,7 @@ def test_latest(self, client, easy_client, bg_system, bg_system_2):
         assert client.bg_system == bg_system_2
         assert client.bg_default_instance == "default"
         easy_client.find_systems.assert_called_once_with(
-            name=bg_system.name, namespace="", filter_latest=True
+            name=bg_system.name, namespace="ns", filter_latest=True
         )
 
     @pytest.mark.parametrize(
@@ -120,7 +121,7 @@ def test_non_latest(self, client, easy_client, bg_system, constraint, systems):
         assert client.bg_system == bg_system
 
         easy_client.find_unique_system.assert_called_once_with(
-            name=bg_system.name, version=constraint, namespace=""
+            name=bg_system.name, version=constraint, namespace="ns"
         )
 
     def test_failure_with_constraint(self, client, easy_client):
@@ -219,7 +220,7 @@ def test_non_plugin(self):
         assert client._system_name is None
         assert client._version_constraint == "latest"
         assert client._default_instance == "default"
-        assert client._system_namespace == ""
+        assert client._system_namespace == "ns"
 
 
 class TestCreateRequest(object):