diff --git a/realestate-lab/app/collector.py b/realestate-lab/app/collector.py
index a71d502..ee752c6 100644
--- a/realestate-lab/app/collector.py
+++ b/realestate-lab/app/collector.py
@@ -21,7 +21,7 @@ DETAIL_ENDPOINTS = [
     ("getOPTLttotPblancDetail", "getOPTLttotPblancMdl"),
 ]
 
-DISTRICT_PATTERN = re.compile(r"(?:서울특별시|서울시|서울)\s+(\S+?(?:구|군))")
+DISTRICT_PATTERN = re.compile(r"(?:서울특별시|서울시|서울)\s*(\S+?(?:구|군))")
 
 
 def _extract_district(parsed: Dict[str, Any]) -> str | None:
diff --git a/realestate-lab/tests/test_collector.py b/realestate-lab/tests/test_collector.py
index fa024ab..ab1b5ce 100644
--- a/realestate-lab/tests/test_collector.py
+++ b/realestate-lab/tests/test_collector.py
@@ -110,6 +110,13 @@ def test_collect_stores_district_for_seoul_announcement(monkeypatch):
     assert row["status"] in ("청약예정", "청약중")
 
 
+def test_extract_district_no_separator():
+    """주소에 공백이 없어도 자치구를 추출해야 한다."""
+    from app.collector import _extract_district
+    parsed = {"address": "서울특별시강남구도곡동", "region_name": None}
+    assert _extract_district(parsed) == "강남구"
+
+
 def test_collect_passes_date_window_param(monkeypatch):
     from app import collector