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Vacant and Blighted Building Addresses

Published by City of Washington, DC | District of Columbia | Catalog Last Checked: June 23, 2026 at 07:20 PM | Dataset Last Updated: June 23, 2026 at 10:22 AM
This layer is a subset of ITSPE and and UBIDs representing vacant and blighted property building addresses which are directly correlated with Vacant and Blighted Property Building Footprints. The tax assessment roll public extract (ITSPE) is used for assessment and property analysis, to send property tax bills and notices, and stores comprehensive tax information such as ownership, mailing addresses, non-contiguous Air Rights lots (Multifamily or Development), Air Rights lots, possessory interest lots, record lots, tax lots, parcels, condominiums, and federally owned lands such as reservations and appropriations. The linkage from the Vector Property layers to this database is SSL (Square, Suffix, and Lot). The UBID data was originally created by spatially joining the 2019 building footprints published in DC Open Data with the Common Ownership Lots. The UBIDs were coded using US DOE’s Implementation code. Search for UBID and ITSPE in Open Data DC for individual documentation.

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