Thank you for your service, Veterans! Contra Costa County’s Board of Supervisors honors Veterans & their families at the Annual Veterans Day Celebration on Tuesday, November 7, 2023, at 11:00 a.m. in the Board Chambers at 1025 Escobar Street, Martinez. To learn more about the Veterans Day Ceremony, visit https://www.contracosta.ca.gov/6035/Veterans-Day-Ceremony.
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Contra Costa County Communities
(19 Cities and 36 unincorporated communities)
Population as of the 2020 Census
Households as of 2021
American Community Survey
Ready Contra Costa
Preparing before, during, and after extreme weather conditions is essential. Make a family communication plan, ensure your emergency kit is stocked, and register for emergency alerts at cwsalerts.com. Find out more ways you can be ReadyContraCosta at https://www.contracosta.ca.gov/CivicAlerts.aspx?AID=4448.
Listos Contra Costa
Prepararse antes, durante y después de condiciones climáticas extremas es esencial. Recuerde planificar con anticipación y asegurarse de que su kit de emergencia esté equipado con los artículos correctos, haga un plan de comunicación familiar y regístrese para recibir alertas de emergencia en cwsalerts.com. Descubra más formas en que puede estar ListoContraCosta: https://www.contracosta.ca.gov/CivicAlerts.aspx?AID=4448
Contact Us: Public Information Contacts Media Inquiries Contact Webmaster
County Administration Building:
1025 Escobar Street, Martinez, CA 94553
1st Floor: Clerk of the Board
2nd Floor: Human Resources
3rd Floor: County Counsel
4th Floor: County Administration
For all other County departments and offices, see their web pages.