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

Tom Conry, Branch Manager


GIS & Mapping Services is a branch of 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 branch 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.

Learn More

Department Search

Department News

November 8, 2017 | 06:13PM
With the launching of the county's new website system, the GIS and Mapping Services Branch offers a new way to find the GIS resources you need. On our homepage, and most of the other pages, you will find links to our three primary Department Resources pages. With nearly 50 interactive mapping applications, our GIS Applications page offers several ways to find the app you're looking for: by visiting thematic galleries, linking directly to our most popular apps, or browsing our entire app collection. On the GIS Data page, you can access our Open Data site, explore the options for viewing aerial imagery, and learn how to purchase our topography dataset. GIS FAQs is designed to guide you to the services and resources you need with a series of common questions and the best options to address them. Our pages will continue to develop (and improve!) as we learn the most effective ways to deploy our new website tools. Stay tuned!

Search for STEM opportunities by geography and/or subject area.

November 8, 2017 | 05:07PM
The Fairfax County STEM viewer allows users to find Science, Technology, Engineering and Math programs by a subject area (coding, MakerSpace, robotics, etc.), near a Fairfax County address or in the vicinity of schools, libraries or areas (school attendance area, ZIP code, etc.).

Avoid park encroachment

October 27, 2017 | 11:36AM
With so many communities in the county bordering on parkland it is not surprising to learn that park neighbors occasionally enter into activities that go beyond their property lines. Encroachments are illegal, are punishable by law, and create adverse impacts on park resources. Use this interactive story map to learn about encroachments, how to avoid them and what to do if you are encroaching on parkland.


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