The City of Dublin business license year is October-September. Renewal invoices are mailed prior to October of each year. Most renewal invoices can be paid online. If this option is available for your business license type, instructions will be included on your renewal invoice. Renewal invoices may also be paid by mail or in person. Acceptable payments in person are cash, check or credit card. Checks should be made payable to City of Dublin. Renewals are to be paid no later than October 30. Renewals paid after October 30 are subject to a delinquent fee, plus penalty fees. For more information, see Business License Fees or contact the City of Dublin Finance Department at (925) 833-6640.