Official account for Contra Costa County, CA. Serve. Innovate. Improve the quality of life in the SF Bay Area. Retweets, follows and likes ≠ endorsements.
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ALT Photo of Dr. Martin Luther King Jr.
ALT Be Ready, Take Action, Stay Safe. El Niño and Winter Storm Preparedness
ALT Prepárese, Tome Acción y Manténgase Seguro: Preparación para El Niño y las Tormentas de Invierno
ALT Entrance of a building with a sign announcing Election Day is one week away on November 3, 2026, urging voters to prepare with the Contra Costa County Seal.
ALT Contra Costa County Supervisors sign a beam at the East County Service Center in Brentwood, California on Friday, Oct. 23, 2026.
ALT (Left to right) District 5 Supervisor Shanelle Scales-Preston, Board Chair; District 3 Supervisor Diane Burgis; Chief Assistant County Administrator Eric Angstadt; District 2 Supervisor Candace Andersen; and Vice Chair and District 4 Supervisor Ken Carlson pose for a photo inside the East County Service Center in Brentwood, California, on Friday, October 23, 2026.
ALT Contra Costa County supervisors shovel dirt at groundbreaking of Orbisonia Village and Bay Point Library in Bay Point, California on Tuesday, October 21, 2026.
ALT Rendering of Orbisonia Village and new Bay Point Library
ALT Government Speak podcast with Contra Costa County Department of Child Support Services
ALT Foto del Dr. Martin Luther King Jr.
ALT Foto del edificio administrativo del condado de Contra Costa con texto Vea la reunión de la Junta de Supervisores del condado de Contra Costa.
ALT Photo of Contra Costa County Administration Building with text Watch Live Board of Supervisors Meeting
ALT Background photo of a white sandwich board sign with 'VOTE' in English, Chinese, and Spanish directing voters, placed on sidewalk outside the Clerk-Recorder-Elections Building with the Contra Costa County Seal.