County government
Contra Costa County Sheriff's Office
Sheriff office — official information (opens in a new tab)Official instructions
Read the official sheriff office information and use the contact or service section appropriate to your location.
Source & saved evidence
Contra Costa County Sheriff · Contra Costa official sheriff website (opens in a new tab)
Reviewed official directory row, department heading or explicitly named service link; see fixed safety audit.
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Agent source review: October 26, 2026 · Snapshot d55ddff75937d6f6