Contra Costa County 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.

District Attorney's Office Community Academy

Application Period is now closed 

DA Diana Becton is excited to announce that the Contra Costa County District Attorney’s Office will launch a Community Academy this September. The goal of the academy will be to strengthen community relations and provide residents a better understanding of our criminal justice system.

The academy is free with no cost open to residents who live or work in Contra Costa County. Individuals must complete an application and background check when they apply.

Please review our Frequently Asked Questions for more information about the Community Academy.

Applications are available at our office, community partners and from our website. Finished applications can be emailed to

  1. Media Advisory: Press Conference, NorCal Rapist

    Contra Costa County District Attorney Diana Becton will join Sacramento County District Attorney Anne Marie Schubert and Sacramento Police Chief Daniel Hahn in announcing a major development in the NorCal Rapist case. Read on...
  2. Press Release: Defendant Found Guilty for 1983 Cold Case Murder

    On September 20, a Contra Costa County jury found defendant Sherill Lynn Smothers of Granite Bay guilty for the murder of Marsha Carter. Read on...
  3. Press Release: Whole Foods to Pay $1.6 Million in Hazardous Waste Settlement

    Contra Costa County District Attorney Diana Becton announced today that Yolo County Superior Court Judge Thomas E. Warriner has ordered Whole Foods Market California Inc. and two related entities to pay $1,643,500. Read on...
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