Property Research


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.

ePermit Center

The ePermit Center provides access to Building Permit and Planning Application status and history.

Records Request

The Department of Conservation and Development provides site records research for a fee. For more information call (925) 674-7213
Records Request Form 

Recorded Document Research is an online, searchable database of recorded public documents, including documents related to property. 

Public Works Record Search

Public Works maintains an online searchable database (Laserfiche) to access
  • Recorded Maps (Subdivisions, Minor Subdivisions, Records of Survey and Corner Records)
  • Assessor Parcel Books which are annotated with additional map references
  • Archived Assessor Parcel Books which include superseded pages