diff --git a/backend/app/services/site_finder/ird_analyze.py b/backend/app/services/site_finder/ird_analyze.py
index fdba8c23..a0d5c2ce 100644
--- a/backend/app/services/site_finder/ird_analyze.py
+++ b/backend/app/services/site_finder/ird_analyze.py
@@ -34,6 +34,7 @@ from app.services.scrapers.ekb_geoportal_client import EKBGeoportalClient
 from app.services.site_finder.functional_zone_lookup import parcel_functional_zones
 from app.services.site_finder.ird_overlay_lookup import parcel_ird_overlaps
 from app.services.site_finder.krt_lookup import parcel_krt_requisites
+from app.services.site_finder.okn_lookup import parcel_okn_objects
 from app.services.site_finder.planning_lookup import parcel_planning_overlaps
 from app.services.site_finder.reservation_lookup import parcel_reservations
 from app.services.site_finder.zone_regulation import get_or_fetch_zone_regulation
@@ -129,7 +130,9 @@ def build_ird_analyze_block(
         ``functional_zones`` (list, генплан-зоны из ekb_genplan_functional_zone, #1058),
         ``functional_zone`` (первая зона|None, back-compat; dict|None),
         ``krt`` (list, КРТ-геометрии из DB ekb_krt_geometry, #1130),
-        ``zone_regulation`` (dict|None).
+        ``zone_regulation`` (dict|None),
+        ``okn_objects`` (list, ОКН в радиусе 100 м от участка из okn_objects, #1066;
+            [{source_id, category, distance_m}], пусто при отсутствии объектов/таблицы).
         Любой источник деградирует независимо — блок всегда well-formed.
     """
     overlay = parcel_ird_overlaps(db, geom_wkt)
@@ -141,6 +144,9 @@ def build_ird_analyze_block(
         "opportunity_overlaps": opportunity,
         "planning_projects": parcel_planning_overlaps(db, geom_wkt),
         "reservations": parcel_reservations(db, cad_num),
+        # ОКН-объекты (#1066): ST_DWithin к okn_objects (428 строк, GIST), дёшево, graceful.
+        # Идёт рядом с reservations — DB-источники основного потока, без сетевых зависимостей.
+        "okn_objects": parcel_okn_objects(db, geom_wkt),
         # КРТ-реквизиты (DB, дёшево, graceful): planning_projects ⋈ ekb_krt_sites (#1060).
         # Идёт рядом с planning_projects — оба DB-источника, не в geoportal-конкурентной части.
         "krt_requisites": parcel_krt_requisites(db, geom_wkt),
diff --git a/backend/tests/services/test_ird_analyze.py b/backend/tests/services/test_ird_analyze.py
index 2acf71aa..fd065b40 100644
--- a/backend/tests/services/test_ird_analyze.py
+++ b/backend/tests/services/test_ird_analyze.py
@@ -69,6 +69,8 @@ def _patch_overlay(monkeypatch: Any, overlay: dict[str, Any]) -> None:
     monkeypatch.setattr(ird_analyze, "parcel_krt_requisites", lambda db, wkt: list(_KRT_REQUISITES))
     # По умолчанию: пустой список — functional_zone=None (back-compat).
     monkeypatch.setattr(ird_analyze, "parcel_functional_zones", lambda db, wkt: [])
+    # По умолчанию: пустой список — okn_objects=[] (graceful, таблица может не быть задеплоена).
+    monkeypatch.setattr(ird_analyze, "parcel_okn_objects", lambda db, wkt: [])
 
 
 def test_full_block_assembly(monkeypatch: Any) -> None:
@@ -367,3 +369,43 @@ def test_functional_zones_empty(monkeypatch: Any) -> None:
     assert block["functional_zone"] is None
     assert "functional_zones" in block  # ключ всегда присутствует
     assert "functional_zone" in block
+
+
+# ---------------------------------------------------------------------------
+# ОКН-объекты (#1066)
+# ---------------------------------------------------------------------------
+
+_OKN_ROWS: list[dict[str, Any]] = [
+    {"source_id": "66-001", "category": "федеральный", "distance_m": 42},
+    {"source_id": "66-002", "category": "региональный", "distance_m": 88},
+]
+
+
+def test_okn_objects_wired_to_block(monkeypatch: Any) -> None:
+    """parcel_okn_objects возвращает 2 объекта → block['okn_objects'] список из двух элементов."""
+    _patch_overlay(monkeypatch, _OVERLAY)
+    monkeypatch.setattr(ird_analyze, "parcel_okn_objects", lambda db, wkt: list(_OKN_ROWS))
+    monkeypatch.setattr(ird_analyze, "get_or_fetch_zone_regulation", lambda *a, **kw: None)
+    monkeypatch.setattr(ird_analyze, "_krt_at", lambda db, lon, lat: [])
+    client = _FakeClient(fz=[])
+
+    block = ird_analyze.build_ird_analyze_block(object(), "POINT(60 56)", 60.6, 56.8, client=client)
+
+    assert "okn_objects" in block
+    assert len(block["okn_objects"]) == 2
+    assert block["okn_objects"][0]["source_id"] == "66-001"
+    assert block["okn_objects"][1]["category"] == "региональный"
+
+
+def test_okn_objects_empty_when_none(monkeypatch: Any) -> None:
+    """parcel_okn_objects пуст (нет объектов / таблица не задеплоена) → okn_objects == []."""
+    _patch_overlay(monkeypatch, _OVERLAY)
+    monkeypatch.setattr(ird_analyze, "parcel_okn_objects", lambda db, wkt: [])
+    monkeypatch.setattr(ird_analyze, "get_or_fetch_zone_regulation", lambda *a, **kw: None)
+    monkeypatch.setattr(ird_analyze, "_krt_at", lambda db, lon, lat: [])
+    client = _FakeClient(fz=[])
+
+    block = ird_analyze.build_ird_analyze_block(object(), "POINT(60 56)", 60.6, 56.8, client=client)
+
+    assert "okn_objects" in block
+    assert block["okn_objects"] == []