Probation Field Services offices are located throughout the county at high schools and police departments, as well as the three main offices and include:

The Main Probation Office
50 Douglas Dr.
Martinez, CA. 94553
Phone: 925-313-4000
Fax: 925-313-4005

The hours are 8:00-12:00 PM and 1:00-5:00 PM.

1275 Hall Avenue
Richmond, CA. 94804
Phone: 510-231-6500
Fax: 510-231-6501

The hours are 8:00-12:00 PM and 1:00-5:00 PM.

4549 Delta Fair Blvd
Antioch, CA. 94509
Phone: 925-431-1600
Fax: 925-431-1601

The hours are 8:00-12:00 PM and 1:00-5:00 PM.