Office of the District Attorney

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900 Ward Street, Martinez, CA 94553

For directions and a map to the office, click here.


The mission of the Contra Costa County District Attorney’s Office is: “To seek justice and enhance public safety for all our residents by aggressively, fairly, ethically and efficiently prosecuting those who violate the law.”

The main office is located at 900 Ward Street in Martinez. It can be reached by telephoning (925) 957-2200.