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 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.
ALT Election observers inside the Elections Division observing public Logic and Accuracy Testing for the General Election, with text announcing 100% accuracy.
ALT CCRMC exterior with trees and a construction alert for tree trimming and power work on Oct. 10 from 8:30 a.m. to 6 p.m.
ALT Pinehurst Road Work Area Map. Canyon, CA
ALT EHSD and its community partners gather for a photo after presenting in front of the Board of Supervisors for Domestic Violence Awareness Month.
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