Patrol Division

Overview
The County of Contra Costa embodies an area approximately 750 square miles and a population of over 1 million. The Sheriff's Patrol Division provides uniformed law enforcement services to approximately 517,454 residents who either live in part of Contra Costa's 521 square miles of unincorporated land, a contract city, or a special district.

A network of Station Houses, each of which is commanded by a Lieutenant, enables efficient provision of law enforcement services to the 163,000 residents of the unincorporated areas of the County. Deputies assigned to the unincorporated Patrol Services Division respond to over 600,000 citizen-generated calls and Deputy-initiated events per year, generating over 38,000 written reports.