The Contra Costa County Office of the Sheriff is the largest law enforcement agency in Contra Costa, with over 1,100 sworn and professional employees dedicated to providing the highest level of law enforcement and customer services. The Office of the Sheriff works in partnership with our diverse community to safeguard the lives, rights, and property of the people we serve. With unwavering dedication, we provide innovative professional law enforcement services to our community. We accomplish this mission by maintaining our Core Values while always conducting ourselves with the highest ethical standards. The Office of the Sheriff is strongly dedicated to committing ourselves to the community including residents, businesses, schools, leaders, and private and governmental agencies to prevent crime and improve the quality of life. We are proud to be of service to Contra Costa County.