Multi Locksmith is licensed by the California Bureau of Security and Investigative Service, License No. LCO 4794.Business mailing address in Hayward: 25125 Santa Clara St # 129, Hayward,CA,94544.Company main office address:1906 Mendocino St. Richmond CA 94804. We perform our services through a network of independently owned and operated affiliates.We have no retail store, this address is where we receive our mail.