This Is Not a Government Office or Records Custodian. This is a private reference service. It cannot retrieve or certify a record, verify who lives at an address, or change a roll. Those tasks belong to the agency that created the record. For an emergency, call 911. If someone is stalking or harassing you, contact local police.
Need a Particular Record?
These routes usually fit the records questions raised about Contra Costa:
- A street or parcel question: start with the Contra Costa street directory
- Historic volumes and past households: use the Contra Costa city directory collections
- One person to verify: follow the Contra Costa resident lookup workflow
- The county offices: open Contra Costa resident records offices
- A record not posted online: ask the named custodian under the California Public Records Act (CPRA)
Contra Costa County Clerk-Recorder
555 Escobar Street, Martinez, CA 94553
925-335-7900
Monday-Friday, 8:00 a.m.-4:00 p.m.