City of Washington, DCAddress Residential Units. This dataset contains residential units and attributes of Address points, created as part of the Master Address Repository (MAR) for the D.C. Residential units can be condominiums or also apartments. Office of the Chief Technology Officer (OCTO) and DC Department of Consumer and Regulatory Affairs . It contains the addresses in the District of Columbia which are typically placed on the buildings. More information on the MAR can be found at https://opendata.dc.gov/pages/addressing-in-dc .ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/c3c0ae91dca54c5d9ce56962fa0dd645_68engOpen Data DCPublicAddress Residential Units [District of Columbia--Washington]Web servicesDistrict of Columbia--WashingtonDistrict of ColumbiaLast Modified: 2025-05-19