The Contra Costa County. Please make your check or money order payable to Contra Costa County Tax Collector.Submit the legal documents you want served and basic service information. Auto-fill and address verification make it fast and easy. At Contra Costa College, we provide essential resources to support your academic journey. Our comprehensive support services are designed to help you succeed. The CCC Foundation has been supporting students at Contra Costa College through scholarships, emergency funds, and program support since 1967. Business License Fee Calculation. See backside of application for explanation of choices. Business License Fee Calculation.