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Data, demographics and maps
An alphabetical listing of all District agencies.
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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.
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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.
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Interpretative Opinions - OCF
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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.