diff --git a/tests/domain/bulk_document_download/test_package_plan.py b/tests/domain/bulk_document_download/test_package_plan.py
index ce9c0541a..4bcddc83c 100644
--- a/tests/domain/bulk_document_download/test_package_plan.py
+++ b/tests/domain/bulk_document_download/test_package_plan.py
@@ -76,3 +76,19 @@ def test_packaged_filename_is_the_document_type_with_the_original_extension() ->
 
     # Assert
     assert plan.entries[0].zip_path == "12 Oak Street (LP1)/photo_pack.zip"
+
+
+def test_latest_per_type_is_scoped_per_property_each_gets_its_own_folder() -> None:
+    # Arrange — two DIFFERENT properties, each with a site_note. Latest-per-type
+    # must not dedupe across properties: both survive, in their own folders.
+    first = _doc(landlord_property_id="LP1", address="12 Oak Street", s3_key="a.pdf")
+    second = _doc(landlord_property_id="LP2", address="9 Elm Road", s3_key="b.pdf")
+
+    # Act
+    plan = plan_download_package([first, second])
+
+    # Assert
+    assert {e.zip_path for e in plan.entries} == {
+        "12 Oak Street (LP1)/site_note.pdf",
+        "9 Elm Road (LP2)/site_note.pdf",
+    }