The goal of these interactive map applications is to allow easier public access to county spatial data via a web browser.
DISCLAIMER: These applications are intended for general use and are not survey accurate. Any information obtained should be verified by
the appropriate agency. Contra Costa County assumes no liability for:
1) Any errors, omissions or inaccuracies in the information provided regardless of how caused; or
2) Any decisions made or actions taken by any person in reliance upon any information or data furnished hereunder.
*Please turn off your pop-up blocker when using this site.
CCMAP provides access to Assessor property information and is updated on the first business day of each month. In addition to
property assessment information, users can view map layers such as aerial imagery, general plan, zoning, creeks, school and fire station locations.
Note that general plan and zoning information is available for unincorporated County areas only.
Simple Map Search
Assessor Parcel Number (APN) Search. Enter first 9-digits of APN only (ie. 161510001):
- OR -
Property Tax Address Search (*Please enable pop-ups)