Permanent Road Division (PRD) Maps
A Permanent Road Division Zone (PRD Zone) is a special district that allows property owners in unincorporated areas of San Diego County to fund private road maintenance within a defined geographic area.
Use the interactive GIS map below to identify roads maintained by the County of San Diego Department of Public Works.
- Search by address or zoom to your community
- County-maintained roads are shown in red
- PRD-maintained roads are shown in purple
Printable PRD Maps
Static PDF versions of all PRD boundary maps are available below for easy reference and printing.
Select a PRD Zone or name below to view its boundary map.
For detailed information about a specific PRD Zone, including documents and road committee contacts, visit the PRD Zones page.




