24/7 Emergency Locksmith Service.

Business mailing address in Castro Valley: 20885 Redwood Rd #304, Castro Valley,CA, 94546.company main office address:1906 Mendocino St. Richmond CA 94804.We perform our services through a network of independently owned and operated affiliatesWe have no retail store, this address is where we receive our mail.Multi Locksmith is licensed by the California Bureau of Security and Investigative Service, License No. LCO 4794.