The District Attorney's Office is responsible for the prosecution of crimes committed in the County of Contra Costa, California.

Our Mission

The mission of the Contra Costa County District Attorney's Office is to seek justice and enhance public safety for all our residents by fairly, ethically, aggressively and efficiently prosecuting those who violate the law, and by working to prevent crime.

We hope this website will assist you by providing information about our Office and links to helpful community resources and law enforcement agencies.

News and Events 

2018 National Crime Victims’ Rights Week Artwork

Click the above image to view selected artwork and posters for 2018 National Crime Victims' Right Week.

2018 Summer Internship Program

The Contra Costa District Attorney’s Office is accepting applications for the College Student/High School Senior Summer Intern Program. Please submit a resume and cover letter to Deputy District Attorney Dominique Yancey at dyancey@contracostada.org by March 15.

Press Release 11/6/2017

On Friday November 3rd, 2017, investigators from the Martinez Police Department, Contra Costa County Sheriff's Office, and District Attorney's Office arrested 33-year -old Martinez resident Michael Bartel for sexual assault of a child and arranging to meet a minor for sex. 

Click here to read full press release.

Fraud Alert - PSA

The District Attorney's Office of Contra Costa County, is warning residents to beware of a widespread telephone scam targeting taxpayers including seniors and immigrants.

Click here to view press release.

Click here to be redirect to the federal reporting system .

Real Estate Fraud PSA sponsored by Contra Costa County District Attorney's Office

This PSA seeks to proactively prevent rental fraud scam by informing the public to be wary of deals that are too good to be true.