GIS and Mapping Services

Fairfax County, Virginia



Our office is open 9AM-3PM Monday to Friday

703-324-2712 | TTY 711

12000 Government Center Parkway, Suite 117
Fairfax, VA 22035

Michael Liddle, GIS Program Director


GIS & Mapping Services is a division within Fairfax County's Department of Information Technology. It is tasked with developing, maintaining, coordinating, and distributing GIS data and technology to Fairfax County government agencies and residents. The division also provides products and services for the public. A wide array of interactive mapping applications focus on a variety of Fairfax County data and services. Dozens of map layers, aerial imagery, and other data are available to view and download from the data page. The FAQ page has detailed information on many topics, including property information, map sales, and basic GIS explanations. Go to the menu dropdown or Department Resources to find these links.

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Department News

Historical Imagery Viewer Icon

August 17, 2018
Aerial photography for the years 1960 and 1976 have been added to the county's Historical Imagery Viewer. Prior to the addition of the 1976 photos, our oldest color aerial photography was from 1990. More information regarding our aerial photography can be found on our Aerial Photography page.

LiDAR Thumbnail

April 4, 2018
Fairfax County 2011 and 2015 land cover data and LiDAR surfaces are now available as image services in ArcGIS Online. The data layers can easily be discovered by searching with the keywords "Fairfax" and "LiDAR" and "Land Cover." Each dataset has links to metadata that describes the layer in terms of use and accuracy. Image services can be used in web maps or desktop GIS software for analysis. Please note that download of data tiles has not been enabled on these layers, however, tiled LiDAR data is available from the USGS National Map Viewer.

Supervisor District Viewer

March 27, 2018
The Supervisor District Viewer is designed to assist in finding and exploring information about public facilities and electoral and other boundaries within a selected district. Dozens of layers are pre-loaded into the map, and others are available for adding. Select a district from the drop-down list in the Select a Supervisor District window. This will focus the map on the selected district and display many public facilities, including the supervisor office, government centers, schools, police & fire stations, libraries and community centers. Clicking on these features on the map will display a pop-up window with more information. Other features may be displayed and explored in the Layer List. Additional layers include: precincts and polling places, congressional, state senate and house of delegates district boundaries, school attendance areas, tax map grid and ZIP codes. Check the box next to layers of interest to display them. Additional data may be explored & added to the map. Note: all of the layers available via the county’s Open Data site are available for adding to the map. For more information or assistance, please contact the Fairfax County GIS & Mapping Services office.


GIS Day is a global event during which GIS (Geographic Information Systems) users work to expand the understanding of how GIS technology and geography make a difference in our lives. GIS, a computer-based tool used to map and analyze features and events, combines the power of a database with the visualization capabilities offered by maps. Hundreds of thousands of people in the world use GIS to solve problems in areas such as environmental protection, pollution, health care, land use, asset de