Court Administration
725 Court Street, 4th Floor
Martinez, CA 94553

Grand Jury Assistants:
Elisa Pantaleon
Maria Zarco

Office Hours: 8:00 AM - 4:00 PM
Telephone: (925) 608-2621
Fax: (925) 608-2658
Email: gjury@contracosta.courts.ca.gov

Contra Costa County’s Grand Jury consists of 19 citizens. A new Grand Jury is impaneled each year. Grand Jurors are officers of the Court, and function as an independent body under the guidance of a Superior Court Judge.

Apart from the investigations mandated by the California Penal Code, each County’s Grand Jury decides what it will investigate. Investigations may be initiated in response to letters from citizens, newspaper articles, and personal knowledge

Issues of concern and complaints may be referred to the Grand Jury for possible investigation. If you wish to submit an issue of concern or a complaint, please use the link below, “Referral/Complaint Guide and Form.”


The Contra Costa County Superior Court is accepting applications for Civil Grand Jury Service for the Fiscal Year 2024-2025 term through March 24, 2024. If you are interested, email gjury@contracosta.courts.ca.gov or call (925) 608-2621. Contra Costa County citizens are encouraged to apply for service on their Grand Jury. Written applications are screened for eligibility. Judges interview potential jurors and select citizens from each supervisorial district. This process produces the list to about 30 candidates. Names are then drawn randomly by the Court.

Application for Civil Grand Jury Service

Becoming a Civil Grand Juror

Grand Jury Reports, Responses, & Summaries

Referral/Complaint Guide and Form

More information about the Grand Jury

Click here to learn more about the Civil Grand Jury

Contra Costa County Grand Jury Demographics

California Rules of Court

Effective January 1, 2007, rule 10.625 of the California Rules of Court mandated that the jury commissioner or designee collect certain demographic data from prospective regular grand jurors, that this information be maintained in a database, and that an annual summary be made available to the public. The demographic data collected is as follows: age range, gender, ethnicity, occupation, and how the grand juror initially became a candidate (random draw, volunteer appreciation, or nomination by judicial officer).


By clicking on a link below, the information is summarized for that fiscal year’s prospective grand jurors, followed by a separate chart that provides the same information for only that fiscal year’s sworn grand jury of 19 Contra Costa County residents.


2023-2024 Sworn Jurors


2022-2023 Sworn Jurors


2020-2021 Sworn Jurors


2019-2020 Sworn Jurors


2018-2019 Sworn Jurors