PRD Maps
A Permanent Road Division Zone (PRD Zone) is a special district that provides property owners throughout the unincorporated areas of San Diego County a mechanism to pay for private road maintenance in a geographically defined area.
Interactive GIS Map of PRDs and County Roads Maintained by the County of San Diego
Find out which roads in your community are maintained by the Department of Public Works. Zoom to your community or search by address. County Owned and Maintained Roads are highlighted in red. PRD Maintained Roads are highlighted in purple.
Static PDF versions of all PRD maps are available below for easy printing. The first table lists PRDs in numerical order, while the second presents them alphabetically. Both tables contain the same set of maps—just organized differently for your convenience.
Click on a PRD Zone or PRD Name to view the detailed map.




