Message from the District Attorney

A Message from Diana Becton

Welcome to the District Attorney Office's website and thank you for visiting. I want to underscore that our Office is here to serve you. We are all committed to protecting the public's safety and providing assistance to those harmed by violence. We continue to find ways to modernize our Office as we focus on the community's needs to ensure Contra Costa County remains a safe and welcoming place to live and work.


Diana Becton, District Attorney

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.

Student Internship Opportunities

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 DDA Dominique Yancey by email by March 15.

  1. News Release: Joseph DeAngelo Jr. Pleads Guilty to 13 Murders, 13 Kidnappings & Uncharged Crimes

    Joseph DeAngelo Jr., 74, pleaded guilty today to 13 felony counts of first-degree murder and 13 felony counts of kidnapping to commit robbery during a 13-year multicounty crime spree that terrorized much of California during the 1970s and 1980s. Read more...
  2. Consumer Resources During COVID-19

    The District Attorney's Office is protecting consumers from any potential COVID-19 consumer fraud. We want the public to be mindful of potential scams and fraudulent activities. Our Fraud Hotline is 925-957-8608 or Read more...
  3. News Release: DA Becton Issues New Policy to Ban Carotid Holds by DA’s Investigative Unit

    Today, Contra Costa CountyDA Diana Becton announces a new policy for peace officers within the DA’s Office to ban the use the carotid hold technique. The DA’s Office employs peace officers as senior inspectors within the Investigative Unit. Read more...
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