To schedule a tour, please visit our Airport Tour Program page under Community Resources and click on "Schedule a Tour" to fill out the application form. You may call us at 925-655-2710 or toll free at 877-646-8314.You can also submit a Code Enforcement complaint online. Important Information. Valid Identification is required for all services the Sheriff's Records Unit provides (DMV renewal paper receipt will not be accepted). CONTRA COSTA SHERIFF-OFFICIAL PAGE, Martinez. The Contra Costa County Office of the Sheriff is seeking men and women interested in an exciting and challenging career in law enforcement. Six police unions in Contra Costa County are continuing to argue a landmark transparency law should not apply to records from past years. Contra Costa Community College Police Department. To access the release application click HERE.