The Loudoun Existing & Approved Development Mapping Tool 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 st rongly 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.