DC GIS operates a data maintenance and enhancement program to keep data current and introduce new and valuable GIS layers to the District government and public. The most recent data additions and updates to the DC GIS data services are:

• Abra Liquor License
• Air Right Lot
• Alley Frontage Line
• Bank
• Building Restriction Line
• Charter School
• Highway Plan
• Land Cover 2006 (includes Urban tree canopy metrics)
• Owner Poly
• Owner Point
• Parcel Lot
• Public Easement
• Record Lot
• Recreation Facility
• Reservation
• Right of Way – Streets
• Sale Point
• Square Polygon
• Street Roadway Segment
• Street Centerline
• Tax Lot
• Tennis Court – Department of Recreation
• Transfer of Jurisdiction – Zoning
• Voting Precinct 2008
• Wireless Hot Spot

For District government, the data is available in the DC GIS Central geodatabase, accessible through Citrix on the DC GIS tool bar.

For the public, the data is accessible through the DC GIS Data Clearinghouse/Catalog search engine. Enter a keyword or layer name into the search field to return metadata and download options. Download options are available for both ESRI and Google formats. DC GIS data can also filtered by layer theme for grouped results.

The advanced search allows for specialized searching. 

If you have any comments about the site or experience any difficulties, please email us.