Contra Costa County residents are warned of scammers posing as Sheriff's Office staff, falsely claiming arrest warrants and demanding payment to avoid arrest.

Contra Costa County has certified the results of the Nov. 5 general election, Clerk-Recorder and Registrar of Voters Kristin Connelly announced Tuesday. “Our team of experts at the Contra Costa ...

Four measures on the Contra Costa County ballot in Tuesday’s election ... Martinez’s Measure A, which seeks to change the office of city clerk to an appointed rather than elected position ...