Marsh Creek Detention Facility
Contra Costa County, California • Work Farm / Minimum Security
Marsh Creek Detention Facility
The Contra Costa Sheriff’s Office operates this rural campus just east of Clayton as a work-furlough and minimum-security program. Marsh Creek houses about 30 sentenced and pretrial residents, many assigned to wildfire mitigation or community labor crews across the East Bay.
Facility Address
12000 Marsh Creek Road
Clayton, CA 94517
Work Furlough Office
(925) 646-5700
Staff recommends calling after 8 a.m. for crew status updates.
Contra Costa Inmate Search
Use the Sheriff’s inmate inquiry portal to confirm booking numbers, release times, or transfers to Martinez or West County facilities.
Contra Costa Inmate LookupFacility Snapshot
*Average daily population data reported by Contra Costa Sheriff, 2025.
Work & Reentry Programs
- Crew deployments for Cal Fire and Contra Costa Fire fuel-reduction missions.
- Agricultural and kitchen details that support commissary and community food banks.
- Educational programming coordinated with the West County Reentry Resource Center.
Sheriff Resources & Map
Review Contra Costa Sheriff bulletins, facility notices, and emergency alerts before traveling to this rural campus.
Map location: 12000 Marsh Creek Road, Clayton, CA 94517
USAJails.com is an informational resource and not affiliated with the Contra Costa County Sheriff's Office. Confirm visitation schedules, release procedures, and ride arrangements directly with the facility before driving to this rural site.