diff --git a/superset/utils/decorators.py b/superset/utils/decorators.py
index f14335f2c..073139574 100644
--- a/superset/utils/decorators.py
+++ b/superset/utils/decorators.py
@@ -45,7 +45,17 @@ def statsd_gauge(metric_prefix: Optional[str] = None) -> Callable[..., Any]:
                 current_app.config["STATS_LOGGER"].gauge(f"{metric_prefix_}.ok", 1)
                 return result
             except Exception as ex:
-                current_app.config["STATS_LOGGER"].gauge(f"{metric_prefix_}.error", 1)
+                if (
+                    hasattr(ex, "status")
+                    and ex.status < 500  # type: ignore # pylint: disable=no-member
+                ):
+                    current_app.config["STATS_LOGGER"].gauge(
+                        f"{metric_prefix_}.warning", 1
+                    )
+                else:
+                    current_app.config["STATS_LOGGER"].gauge(
+                        f"{metric_prefix_}.error", 1
+                    )
                 raise ex
 
         return wrapped
diff --git a/superset/views/base_api.py b/superset/views/base_api.py
index 29bac574a..57d7e1736 100644
--- a/superset/views/base_api.py
+++ b/superset/views/base_api.py
@@ -112,7 +112,13 @@ def statsd_metrics(f: Callable[..., Any]) -> Callable[..., Any]:
         try:
             duration, response = time_function(f, self, *args, **kwargs)
         except Exception as ex:
-            self.incr_stats("error", func_name)
+            if (
+                hasattr(ex, "status")
+                and ex.status < 500  # type: ignore # pylint: disable=no-member
+            ):
+                self.incr_stats("warning", func_name)
+            else:
+                self.incr_stats("error", func_name)
             raise ex
 
         self.send_stats_metrics(response, func_name, duration)
@@ -205,6 +211,8 @@ class BaseSupersetApiMixin:
         """
         if 200 <= response.status_code < 400:
             self.incr_stats("success", key)
+        elif 400 <= response.status_code < 500:
+            self.incr_stats("warning", key)
         else:
             self.incr_stats("error", key)
         if time_delta:
diff --git a/tests/integration_tests/base_tests.py b/tests/integration_tests/base_tests.py
index 999f22dd2..f70f0f63b 100644
--- a/tests/integration_tests/base_tests.py
+++ b/tests/integration_tests/base_tests.py
@@ -90,6 +90,8 @@ def post_assert_metric(
         rv = client.post(uri, json=data)
     if 200 <= rv.status_code < 400:
         mock_method.assert_called_once_with("success", func_name)
+    elif 400 <= rv.status_code < 500:
+        mock_method.assert_called_once_with("warning", func_name)
     else:
         mock_method.assert_called_once_with("error", func_name)
     return rv
@@ -455,6 +457,8 @@ class SupersetTestCase(TestCase):
             rv = self.client.get(uri)
         if 200 <= rv.status_code < 400:
             mock_method.assert_called_once_with("success", func_name)
+        elif 400 <= rv.status_code < 500:
+            mock_method.assert_called_once_with("warning", func_name)
         else:
             mock_method.assert_called_once_with("error", func_name)
         return rv
@@ -474,6 +478,8 @@ class SupersetTestCase(TestCase):
             rv = self.client.delete(uri)
         if 200 <= rv.status_code < 400:
             mock_method.assert_called_once_with("success", func_name)
+        elif 400 <= rv.status_code < 500:
+            mock_method.assert_called_once_with("warning", func_name)
         else:
             mock_method.assert_called_once_with("error", func_name)
         return rv
@@ -501,6 +507,8 @@ class SupersetTestCase(TestCase):
             rv = self.client.put(uri, json=data)
         if 200 <= rv.status_code < 400:
             mock_method.assert_called_once_with("success", func_name)
+        elif 400 <= rv.status_code < 500:
+            mock_method.assert_called_once_with("warning", func_name)
         else:
             mock_method.assert_called_once_with("error", func_name)
         return rv
diff --git a/tests/integration_tests/utils/decorators_tests.py b/tests/integration_tests/utils/decorators_tests.py
deleted file mode 100644
index d0ab6f984..000000000
--- a/tests/integration_tests/utils/decorators_tests.py
+++ /dev/null
@@ -1,61 +0,0 @@
-# Licensed to the Apache Software Foundation (ASF) under one
-# or more contributor license agreements.  See the NOTICE file
-# distributed with this work for additional information
-# regarding copyright ownership.  The ASF licenses this file
-# to you under the Apache License, Version 2.0 (the
-# "License"); you may not use this file except in compliance
-# with the License.  You may obtain a copy of the License at
-#
-#   http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing,
-# software distributed under the License is distributed on an
-# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-# KIND, either express or implied.  See the License for the
-# specific language governing permissions and limitations
-# under the License.
-from unittest.mock import call, Mock, patch
-
-import pytest
-from flask import current_app
-
-from superset.utils import decorators
-from tests.integration_tests.base_tests import SupersetTestCase
-
-
-class UtilsDecoratorsTests(SupersetTestCase):
-    def test_debounce(self):
-        mock = Mock()
-
-        @decorators.debounce()
-        def myfunc(arg1: int, arg2: int, kwarg1: str = "abc", kwarg2: int = 2):
-            mock(arg1, kwarg1)
-            return arg1 + arg2 + kwarg2
-
-        # should be called only once when arguments don't change
-        myfunc(1, 1)
-        myfunc(1, 1)
-        result = myfunc(1, 1)
-        mock.assert_called_once_with(1, "abc")
-        self.assertEqual(result, 4)
-
-        # kwarg order shouldn't matter
-        myfunc(1, 0, kwarg2=2, kwarg1="haha")
-        result = myfunc(1, 0, kwarg1="haha", kwarg2=2)
-        mock.assert_has_calls([call(1, "abc"), call(1, "haha")])
-        self.assertEqual(result, 3)
-
-    def test_statsd_gauge(self):
-        @decorators.statsd_gauge("custom.prefix")
-        def my_func(fail: bool, *args, **kwargs):
-            if fail:
-                raise ValueError("Error")
-            return "OK"
-
-        with patch.object(current_app.config["STATS_LOGGER"], "gauge") as mock:
-            my_func(False, 1, 2)
-            mock.assert_called_once_with("custom.prefix.ok", 1)
-
-            with pytest.raises(ValueError):
-                my_func(True, 1, 2)
-                mock.assert_called_once_with("custom.prefix.error", 1)
diff --git a/tests/unit_tests/utils/test_decorators.py b/tests/unit_tests/utils/test_decorators.py
new file mode 100644
index 000000000..3aafc7a91
--- /dev/null
+++ b/tests/unit_tests/utils/test_decorators.py
@@ -0,0 +1,87 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+
+from contextlib import nullcontext
+from enum import Enum
+from inspect import isclass
+from typing import Any, Optional
+from unittest.mock import call, Mock, patch
+
+import pytest
+
+from superset import app
+from superset.utils import decorators
+
+
+class ResponseValues(str, Enum):
+    FAIL = "fail"
+    WARN = "warn"
+    OK = "ok"
+
+
+def test_debounce() -> None:
+    mock = Mock()
+
+    @decorators.debounce()
+    def myfunc(arg1: int, arg2: int, kwarg1: str = "abc", kwarg2: int = 2) -> int:
+        mock(arg1, kwarg1)
+        return arg1 + arg2 + kwarg2
+
+    # should be called only once when arguments don't change
+    myfunc(1, 1)
+    myfunc(1, 1)
+    result = myfunc(1, 1)
+    mock.assert_called_once_with(1, "abc")
+    assert result == 4
+
+    # kwarg order shouldn't matter
+    myfunc(1, 0, kwarg2=2, kwarg1="haha")
+    result = myfunc(1, 0, kwarg1="haha", kwarg2=2)
+    mock.assert_has_calls([call(1, "abc"), call(1, "haha")])
+    assert result == 3
+
+
+@pytest.mark.parametrize(
+    "response_value, expected_exception, expected_result",
+    [
+        (ResponseValues.OK, None, "custom.prefix.ok"),
+        (ResponseValues.FAIL, ValueError, "custom.prefix.error"),
+        (ResponseValues.WARN, FileNotFoundError, "custom.prefix.warn"),
+    ],
+)
+def test_statsd_gauge(
+    response_value: str, expected_exception: Optional[Exception], expected_result: str
+) -> None:
+    @decorators.statsd_gauge("custom.prefix")
+    def my_func(response: ResponseValues, *args: Any, **kwargs: Any) -> str:
+        if response == ResponseValues.FAIL:
+            raise ValueError("Error")
+        if response == ResponseValues.WARN:
+            raise FileNotFoundError("Not found")
+        return "OK"
+
+    with patch.object(app.config["STATS_LOGGER"], "gauge") as mock:
+        cm = (
+            pytest.raises(expected_exception)
+            if isclass(expected_exception) and issubclass(expected_exception, Exception)
+            else nullcontext()
+        )
+
+        with cm:
+            my_func(response_value, 1, 2)
+            mock.assert_called_once_with(expected_result, 1)