Please join us on Tuesday, April 4, 2023, for the 29th Annual Cesar E. Chavez Commemorative Celebration. The Contra Costa County Board of Supervisors will honor a group of students as part of the Youth Hall of Fame Awards. See more information: https://www.contracosta.ca.gov/6039
Únase a nosotros el Martes 4 de Abril de 2023 para la 29th Celebración Conmemorativa Anual de César E. Chávez. La Junta de Supervisores del Condado de Contra Costa honrará a un grupo de estudiantes como parte de los Premios del Salón de la Fama de la Juventud. Ver más información: https://www.contracosta.ca.gov/6039
Contra Costa County Communities
(19 Cities and 36 unincorporated communities)
Population as of the 2020 Census
Households as of 2021
American Community Survey
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.