Baltimore County GovernmentOn September 15, 2025, the County Council approved an amended version of this map. This amendment passed 5-2. The amendments that precede this were: Patoka/Ertel Amendment, Marks Amendment, and Young Amendment.ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/12d02d20d447459ca1fa807e880bd9dc_0engBaltimore County Open Data PortalPublicBill 55-25 - As Amended [Maryland--Baltimore County]Web servicesMaryland--Baltimore CountyMarylandLast Modified: 2025-09-25