June 1, 2023 - July 31, 2023
2023-06-01T00:00:00
County Finance Building: Treasurer-Tax Collector's Office
625 Court Street, Suite 100
Martinez, CA 94553
Business License Renewal Due
Thursday, June 1, 2023
Business licenses renewal is due June 30 and delinquent after July 31. Afterward, a 25% late-renewal penalty will apply. If July 31 falls on a weekend or holiday, the renewal is not delinquent until 5 p.m. the next business day.