Washington, DC

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Online Services

Data, demographics and maps
An alphabetical listing of all District agencies.
official documents and records icon
Apply for a building plat online.  You must include drawings of all existing and proposed property improvements such as a house, the driveway, deck and all trees that measure at least 4.5 feet above ground and have circumferences of 12 inches or more.
Data, demographics and maps icon
A searchable database of the DC GIS Data Catalog.
Doing business in DC icon
Index of business opportunities for the Government of the District of Columbia.
Budget and finance icon
Interpretative Opinions - OCF
Data, demographics and maps icon
OneCityMap allows citizens access to Government data and provide a tool for quick mapping by location and time.
District of Columbia residents can use this application to track how the District Government is working and performing.