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Existing Development Tool

Published by Loudoun County GIS | Loudoun County, Virginia | Catalog Last Checked: December 27, 2025 at 01:54 PM | Dataset Last Updated: December 23, 2025 at 07:28 PM
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.

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