Washington, DC
Online Services
An alphabetical listing of all District agencies.
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.
A searchable database of the DC GIS Data Catalog.
Index of business opportunities for the Government of the District of Columbia.
Interpretative Opinions - OCF
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.