This is a private reference site, not a government office. We cannot confirm custody, release anyone, post bond, or obtain an official booking record for you. Contact the responsible public office directly.
Choose the Record Custodian
Contra Costa County Office of the Sheriff
1850 Muir Road
Martinez, CA 94553
Main office: (925) 655-0000
Inmate information: (925) 646-4493
The Sheriff's Records & ID Unit accepts requests at 2530 Arnold Drive, Suite 170, Martinez, CA 94553. Its published hours are Monday through Friday, 8:00 a.m. to 5:00 p.m. The unit can be reached at (925) 335-1570, by fax at (925) 335-1588, or at recordsinfo@so.cccounty.us. Custody Administrative Services handles in-custody bureau records through its official request page and csbrecords@so.cccounty.us. Match the question to the source:
- For a current county custody check, use the Sheriff's Individual in Custody Locator or call the inmate-information line.
- For a booking sheet or photo not shown online, contact Custody Administrative Services or Records & ID as the record type requires.
- For charges after filing or a final disposition, use the Contra Costa Superior Court criminal-record route.
- For a person serving a state-prison sentence, search the California Department of Corrections and Rehabilitation inmate locator.
- For federal custody, use the Bureau of Prisons locator; for ICE custody, use the separate ICE detainee locator.
- For the complete county search sequence and record-request steps, start with the Contra Costa County recent-arrests hub.