Department of BuildingsThe Condo Relate table contains attributes of air rights, record, and tax lots approved for active condos. Condominium documentation (Condo Book & Page) is approved and recorded by the DC's Surveyors Office (OS) for the DC's Department of Buildings (DOB) . Real Property Tax Administration's (RPTA) Maps & Title division receives copies of the approved Condominium documents from OS and reviews, records, and then ties the Condo book & page information to the Lot(s) of interest, i.e., (Air Rights, Record, Tax, or a combination) for the Office of Tax and Revenue (OTR).ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/5db1978a41d84da3b6a625934e839827_52engOpen Data DCPublicCondo Relate Table [District of Columbia--Washington]Web servicesDistrict of Columbia--WashingtonDistrict of ColumbiaLast Modified: 2025-05-19