Facilities in Contra Costa County
- Concord Jail County jail in Concord
- Address
- 1350 Galindo Street, Concord, CA 94520
- Marsh Creek Detention Facility County jail in Clayton
- Address
- 12000 Marsh Creek Road, Clayton, CA 94517
- Phone
- (925) 646-5700
- Website
- cocosheriff.org
- Capacity
- 154 beds
- Martinez Detention Facility County jail in Martinez
- Address
- 901 Court Street, Martinez, CA 94553
- Phone
- (925) 335-4600
- Website
- cocosheriff.org
- West County Detention Facility County jail in Richmond
- Address
- 5555 Giant Highway, Richmond, CA 94806
- Phone
- (510) 262-4200
- Website
- cocosheriff.org
- Capacity
- 1,096 beds
- John A. Davis Juvenile Hall Juvenile facility in Martinez
- Address
- 202 Glacier Drive, Martinez, CA 94553
- Phone
- (925) 957-2700
- Website
- contracosta.ca.gov
- Capacity
- 270 beds
Addresses, phone numbers and capacity come from a public facility directory and can be out of date. Call before you travel or send anything.
Near Contra Costa County
Straight-line miles from the facilities we list, not driving distances.
Nearby counties
Closest jails in other counties
Find someone in Contra Costa County
- CallMarsh Creek Detention Facility: (925) 646-5700; Martinez Detention Facility: (925) 335-4600; West County Detention Facility: (510) 262-4200. Have the person's full name and date of birth ready; booking can take several hours.
Questions about Contra Costa County jail and inmate search
Where do people arrested in Contra Costa County go?
We list 5 facilities in Contra Costa County, California: Concord Jail (1350 Galindo Street, Concord); Marsh Creek Detention Facility (12000 Marsh Creek Road, Clayton); Martinez Detention Facility (901 Court Street, Martinez); and more below. We cannot say for sure which one is the main jail, so call the Contra Costa County sheriff's office or the police department that made the arrest to ask where someone is held.
What phone numbers do we list for Contra Costa County jails and facilities?
Marsh Creek Detention Facility: (925) 646-5700. Martinez Detention Facility: (925) 335-4600. West County Detention Facility: (510) 262-4200. John A. Davis Juvenile Hall: (925) 957-2700. These come from a public facility directory and can change, so confirm a number before you rely on it.
How do I find out if someone is in jail in Contra Costa County?
Call Marsh Creek Detention Facility at (925) 646-5700 with the person's full name and date of birth.
What county jails are near Contra Costa County?
The closest county jails we list outside Contra Costa County are Berkeley Jail Facility in Berkeley (Alameda County, about 12 miles), Solano County Justice Center Detention Facility in Fairfield (Solano County, about 19 miles) and Santa Rita Jail in Dublin (Alameda County, about 21 miles). Distances are straight-line miles between listed facilities, not driving distances.