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Find a Commonwealth ResourceFairfax County
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…
Updated Oct 8, 2026
Fairfax County
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…
Updated Oct 8, 2026
Fairfax County
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…
Updated Oct 8, 2026
Loudoun County
See Metadata ZOAM-2020-0002, Prime Agricultural Soils and Cluster Subdivision was adopted in June 2024, with an effective date of March 12, 2025, resulted in the amendment ordinances and revised regulations to improved…
Updated Oct 10, 2026
Fairfax County
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…
Updated Oct 8, 2026
Fairfax County
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…
Updated Oct 8, 2026
Virginia Department of Environmental Quality
This data includes EPA Region 3 RCRA Corrective Action facility point locations as well as features (lines and polygons) associated with institutional and engineering controls.
Updated Nov 4, 2026
Virginia Department of Environmental Quality
This data includes EPA Region 3 RCRA Corrective Action facility point locations as well as features (lines and polygons) associated with institutional and engineering controls.
Updated Nov 4, 2026
Virginia Department of Environmental Quality
This data includes EPA Region 3 RCRA Corrective Action facility point locations as well as features (lines and polygons) associated with institutional and engineering controls.
Updated Nov 4, 2026
Virginia Department of Environmental Quality
This data includes EPA Region 3 RCRA Corrective Action facility point locations as well as features (lines and polygons) associated with institutional and engineering controls.
Updated Nov 4, 2026
Fairfax County
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.
Updated Oct 8, 2026
Loudoun County
More Metadata The Reservoir Protection Zones have been implemented to increase reservoir protection and overall drinking water quality. Reservoir Protection Zones are areas, as defined in the Facilities Standards Manual…
Updated Oct 10, 2026
Loudoun County
More Metadata Planar Index of Loudoun County is used primarily for locator reference and establishes the first 3 digits in the MCPI number for parcels. This information can also be known as Map, Sheet, or Tile number in…
Updated Oct 10, 2026
Loudoun County
More Metadata The Limestone Overlay District (LOD) is a zoning overlay district adopted by the Loudoun County Board of Supervisors on 2/17/2010 and administered by the Loudoun County Department of Building and…
Updated Oct 10, 2026
Loudoun County
More Metadata Maintenance and Update Frequency: Floodplain boundaries are updated by Building and Development staff as detailed floodplain studies are submitted and floodplain alterations are approved and structures are…
Updated Oct 10, 2026
Prince William County
This data layer contains polygon features representing the approximate size and location of parcels owned by the State of Virginia located within Prince William County, Virginia. It was created to provide basic…
Updated Mar 24, 2026
Prince William County
This data layer contains polygon features representing the approximate size and location of parcels owned by the federal government located within Prince William County, Virginia. It was created to provide basic…
Updated May 6, 2026
Hampton Roads PDC & Hampton Roads TPO
This layer compiles existing land use for Hampton Roads localities, reflecting conditions circa 2023. Some localities have provided new/updated data since the last update (2016/2019), while others have approved using…
Updated Oct 6, 2026
Loudoun County
More Metadata The zoning layer constitutes the official zoning map for Loudoun County and is a component of the official zoning ordinance. It reflects expiration of grandfathering provisions of the 1972 Zoning Ordinance…
Updated Oct 10, 2026
HealthData.Gov
This is the backing dataset for the ACF Data Catalog. Please navigate to the catalog for more information on available data here: https://healthdata.gov/stories/s/d6w8-536c
Updated Oct 29, 2026
