Contra Costa County Jails & Inmate Search

The Contra Costa County jails are listed below with the address and phone for each facility, plus the official inmate search.

Jails serving Contra Costa County, California.

Official inmate searchSheriff’s officeSuperior Court

• Antioch Jail

  300 L St, Antioch, CA 94509 (925) 778-2441 Official page

• Contra Costa County Jail - Martinez Detention Facility

  901 Court St, Martinez, CA 94553 (925) 335-4600 Official page

• Marsh Creek Detention Facility

  Clayton, California

  We do not yet have a confirmed address and phone for this facility. Call the sheriff’s office before traveling.

• West County Detention Facility

  5555 Giant Hwy, Richmond, CA 94806 (510) 262-4200 Official page

Posting bail in Contra Costa County

See bail bonds companies serving Contra Costa County.