To apply for a marriage license in Contra Costa, you must complete the application form. Countywide Most Frequently Asked Questions, Show All Answers, Department of Conservation and Development ePermits Center, Show All Answers.The license is valid for 90 days. Your ceremony must be within 90 days from the date you obtain your license. Each bidder will have to electronically sign or fill out any registration documents. If you have not yet obtained a marriage license, you must complete the Marriage License Application prior to arriving for your appointment. I have been meeting people for arrange marriage. What should I ask the prospective match and how do we deal with the arranged marriage first meeting?