Welcome

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


Courthouse Dog Program

It gives me great pleasure to announce that the Contra Costa County District Attorney’s office will be receiving its first Courthouse Dog in mid-August. Mary Pickett will be going to training in Oceanside, Ca, August 3rd through August 14th. The dog’s first day in our office will be August 17, 2015.

More information will be forth coming for all staff regarding California case law in the use of the dog in court, etiquette for interaction with the dog while it is working, and more. Mary and Karen Zelis, Courthouse Dog Facilitator, are available for questions.

I want to thank Mary and Karen for the diligent work they have put in for the past years to get this program started in our office. It will benefit many of our victims/witnesses.

District Attorney Mark A. Peterson

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   Mary Pickett and Jojo
 
 
Guest Commentary on the Death Penalty by DA Mark Peterson 

Contra Costa County District Attorney Mark A. Peterson responds to Contra Costa Times editorial regarding the death penalty. 

Click here to read more.

Press Release - February 11, 2015

Contra Costa County District Attorney Mark Peterson announced today that Target Corporation entered into a Stipulated Judgment and will pay $3,941,118 to settle a civil law enforcement complaint that alleged that Target engaged in false advertising and unfair competition and violated a 2008 injunction.

Click here to read more.

Press Release - February 11, 2015

Residential Care Home owner convicted for several underground economy violations including the theft of wages from her workers.
Contra Costa County District Attorney's Office and Contra Costa County Probation Department target teens to stop crime before it starts.

Click here to read more.
 
  
Press Release - January 9, 2015

District Attorney Mark A. Peterson announces the arrest of Pittsburg physician Michael Russell for aggravated child pornography possession.

Click here to view press release.

Press Release - December 23, 2014

"ALL LIVES MATTER" District Attorney Mark Peterson Responds to Contra Costa County Public Defender's False Accusations.

Click here to view press release.

Press Release - December 11, 2014

District Attorney's Office of Contra Costa County, announced today that Walnut Creek real estate broker and resident James T. Haro (age 67) has been arrested by the District Attorney’s Investigations Unit on December 10, 2014, for allegedly committing Securities Fraud, Grand Theft, and the Embezzlement of  $370,000 from a Walnut Creek couple.

Click here to view press release.

Scam Alert - December 10, 2014

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.