Find a Commonwealth Resource
Fairfax County
Data Inventory
List and description of datasets available on Open Data for Fairfax County, Virginia
- HTML
- ArcGIS
- CSV
- ZIP
- GeoJSON
Updated Oct 8, 2026
Datasets
142 datasets
Fairfax County
Community Centers
The locations of the community centers within Fairfax County which includes data type TC = Teen Center, SC = Senior Center, CC = Community Center, NC = Neighborhood and Family Center, RC = ReCenter, and MC =…
- HTML
- ArcGIS
- CSV
- ZIP
- GeoJSON
Updated Oct 8, 2026
Fairfax County
Government Centers
Locations of the government centers within Fairfax County.
- HTML
- ArcGIS
- CSV
- ZIP
- GeoJSON
Updated Oct 8, 2026
Fairfax County
Supervisor Offices
Locations of the Supervisor District offices within Fairfax County.
- HTML
- ArcGIS
- CSV
- ZIP
- GeoJSON
Updated Oct 8, 2026
Datathon 2025
NoVA District Bike and Pedestrian Counts
Methodology to convert 24 hr /365 data to a representative 24 hour day: • Bike and Pedestrian data was acquired from the public websites of Regional Transportation Data Clearinghouse (MWCOG) and from the Counter…
- HTML
- ArcGIS
Updated Oct 17, 2026
Fairfax County
2023 Countywide Impervious
This polygon dataset represents impervious surface in Fairfax County. This dataset also includes areas that drain to Fairfax County. This includes portions of City of Fairfax, City of Alexandria, Falls Church, Arlington…
- HTML
- ArcGIS
- CSV
- ZIP
- GeoJSON
Updated Oct 8, 2026
Fairfax County
Supplementary Planning Areas
This layer contains polygons defining the boundaries of several named “areas” which are described in the Comprehensive Plan text. RELATED LAYERS - Two other types of place: Suburban Neighborhoods and Low Density…
- HTML
- ArcGIS
- CSV
- ZIP
- GeoJSON
Updated Oct 8, 2026
Fairfax County
Proffer Legislation Exempt Mixed Use Areas
For detailed information on "Proffer Legislation Exempt Mixed Use Areas" legislation contact the Director of the Planning Division, Fairfax County Department of Planning & Development, at 703-324-1380. Contact:…
- HTML
- ArcGIS
- CSV
- ZIP
- GeoJSON
Updated Oct 8, 2026
Fairfax County
Inadequate Outfalls Pour Points
This dataset is a selection of known erosion and flooding problems throughout the County. The data is intended primarily to assist site plan preparers with establishing the existence of known erosion and flooding…
- HTML
- ArcGIS
- CSV
- ZIP
- GeoJSON
Updated Oct 8, 2026
Fairfax County
Inadequate Outfalls
This dataset is a selection of known erosion and flooding problems throughout the County. The data is intended primarily to assist site plan preparers with establishing the existence of known erosion and flooding…
- HTML
- ArcGIS
- CSV
- ZIP
- GeoJSON
Updated Oct 8, 2026
Fairfax County
Non DPWES Dam Break Inundation Zones
The Non-Department of Public Works and Environmental Services (DPWES) Dam Break Inundation Zones layer is maintained by Land Development Services (LDS). LDS will obtain the data from the Department of Emergency…
- HTML
- ArcGIS
- CSV
- ZIP
- GeoJSON
Updated Oct 8, 2026
Fairfax County
Tree Canopy 2021 by 2020 Census Tract
This data represents detailed tree canopy cover in Fairfax County, Virginia. The data was derived from the 2021 Land Cover raster dataset which used remote sensing technologies on aerial imagery from the National…
- HTML
- ArcGIS
- CSV
- ZIP
- GeoJSON
Updated Oct 8, 2026
Fairfax County
Building Additions
Building additions contains additions to building structures that would not be captured as part of the actual building structure. The original data capture of the data in this layer was completed in 2013 using stereo…
- HTML
- ArcGIS
- CSV
- ZIP
- GeoJSON
Updated Oct 8, 2026
Fairfax County
Tree Canopy 2021
This data represents detailed tree canopy cover in Fairfax County, Virginia. The data was derived from the 2021 Land Cover raster dataset which used remote sensing technologies on aerial imagery from the National…
- HTML
- ArcGIS
- CSV
- ZIP
- GeoJSON
Updated Oct 8, 2026
Fairfax County
Water Features - lines
Hydrographic line features in and around Fairfax County. The original data in this layer was captured during the 1997 data conversion effort for Fairfax County. After that an update capture was completed in 2014 using…
- HTML
- ArcGIS
- CSV
- ZIP
- GeoJSON
Updated Oct 8, 2026
Fairfax County
Water Features - polys
Hydrographic polygons in and around Fairfax County. The original data in this layer was captured during the 1997 data conversion effort for Fairfax County. After that an update capture was completed in 2014 using stereo…
- HTML
- ArcGIS
- CSV
- ZIP
- GeoJSON
Updated Oct 8, 2026
Fairfax County
Tax Map Grid
The Fairfax County tax map grid divides the county into approximately 444 tiles. This is the basis for the parcel numbering system in Fairfax County.
- HTML
- ArcGIS
- CSV
- ZIP
- GeoJSON
Updated Oct 8, 2026
Fairfax County
Commercial Revitalization Districts and Areas
The Community Revitalization Section of the Fairfax County Department of Planning and Development facilitates strategic redevelopment and investment opportunities within targeted commercial areas that align with the…
- HTML
- ArcGIS
- CSV
- ZIP
- GeoJSON
Updated Oct 8, 2026
Fairfax County
USGS Floodplain Study Cross Sections
Navigating the USGS floodplain study reports to confirm WSELs and discharges: Navigate to the location in ArcMap/ArcGIS Pro where you are interested in discharges or Waster Surface Elevations (WSELs) At that location,…
- HTML
- ArcGIS
- CSV
- ZIP
- GeoJSON
Updated Oct 8, 2026
Fairfax County
Gum Springs Community
Based initially on a hard copy map drafted by Harry Rado, predating 2006, scanned, georectified and digitized by Christopher Havlicek in 2009. Revised to its current form as of 4/7/2020 by Christopher Havlicek, DPD GIS,…
- HTML
- ArcGIS
- CSV
- ZIP
- GeoJSON
Updated Oct 8, 2026