Checked
County dataHousing & Development
Existing Development Tool
Published by Loudoun County GIS · Updated 12/23/2025
- Last updated
- 12/23/2025
- First published 07/19/2017
- Update frequency
- Not listed
- Formats
- 1
- ArcGIS REST
- Coverage
- Loudoun County, Virginia
- County in Virginia
About this dataset
The Loudoun County Existing Development Tool map is an
interactive tool that contains a variety of existing conditions only data that
are developed and maintained by the Department of Planning and Zoning. It is strongly encouraged that you refer to
the help document
before using the tool and it is best used on a tablet or desktop.
It provides access to existing land use conditions for
parcels and structures and development within both residential and non-residential
projects. Please refer to the As Of date
with each layer to determine how current the data is.
Files and access
Links open the official government source
- ArcGIS Hub Datasetgeohub-loudoungis.opendata.arcgis.comWeb page
- ArcGIS GeoServiceloudoungis.maps.arcgis.comArcGIS REST
Links open outside websites we do not control.
Frequently asked questions
- Who publishes Existing Development Tool?
- Loudoun County GIS, part of Loudoun County, Virginia, publishes this dataset on Data.gov.
- How often is it updated?
- The publisher does not list a schedule. The last update was on 12/23/2025.
- How do I download it?
- Use the official source link above to view or request the data.
Similar data from other publishers
- Existing Development ToolState of Virginia · Loudoun CountyThe Loudoun County Existing Development Tool map is an interactive tool that contains a variety of existing conditions only data that are developed and maintained by the Department of Planning and Zoning . It is strongly encouraged that you refer to the help ArcGIS RESTUpdated 10/10/2026
- Development TrackingCity of ChesapeakeThe polygons are generated from the parcel numbers of the applications from the ARC Review Memo twice a month. Development boundaries represent the parcel's configuration during the initial application. The parcel boundary may change during subdivision recordaCSVGeoJSONKMLZIP+1Updated 10/08/2026
- Development TrackingState of Virginia · Chesapeake CityThe polygons are generated from the parcel numbers of the applications from the ARC Review Memo twice a month. Development boundaries represent the parcel's configuration during the initial application. The parcel boundary may change during subdivision recordaCSVZIPGeoJSONKML+1Updated 10/02/2026
- DevelopmentsTown of Cary · CaryThis dataset contains site and subdivision plans that are either currently under review, recently approved or actively being constructed. Check our website for an Interactive Development Map . This dataset is updated as needed.JSONCSVGeoJSONShapefileUpdated 05/17/2026
- Economic DevelopmentDistrict of Columbia · City of Washington, DCWashington, DC is a city that has a little something for everyone. In addition to the almost 700,000 Washingtonians who call DC home, we also welcome tens of millions of visitors from around the world every year.Updated 01/26/2026
Where this catalog comes from
- Data.gov CatalogU.S. General Services Administration
- State and local open data portalsSocrata Discovery API
- State and city CKAN portalsCalifornia, Virginia, Boston, Houston and more
- Government ArcGIS Hub sitesCity and county GIS data
Catalog checked 10/24/2026
We list dataset descriptions only. Downloads and APIs link straight to the official government source, which holds the current version and its terms of use.
Source: Data.gov · Last updated 10/24/2026 · Listing only; the data stays with the publisher
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