Administrative Services is managed by the Chief of Management Services, with division managers overseeing the Fiscal, Contracts and Personnel Services Units. In addition to division oversight, the Chief directly manages the Grants Unit.
The Office of the Sheriff is dedicated to providing the highest quality public safety and law enforcement services to county residents. To achieve this, the Office of the Sheriff welcomes public comment, constructive criticism, suggestions and complaints regarding the action or inaction of its employees or issues regarding Office of the Sheriff Policy.
The Internal Affairs Unit is responsible for investigating allegations of misconduct by all Sheriff’s Office personnel. Additionally, the unit also investigates all officer-involved shootings, officer-involved fatal incidents, and all in-custody deaths.
These investigations will be conducted in a professional and timely manner, in order to maintain the trust of the public we serve and the integrity of the Office of the Sheriff.
Citizen’s wishing to file a complaint can download and print the Citizen’s Complaint Form here.
Mail or deliver completed complaint forms to:
Contra Costa County Sheriff Internal Affairs Unit
651 Pine Street, 11th Floor
Martinez, CA 94553
Office: (925) 335-1530
Fax: (925) 335-1301