Business mailing address in Cupertino: 20660 Stevens Creek Blvd # 124, Cupertino, CA, 95014. Company main office address at: 735 Crocker Ave, Daly City, CA 94014. License: Best Bay Locksmith is licensed by the California bureau of Security and Investigative service, License No. LCO 4313. Additional Details: Best Bay Locksmith performs its services through a network of independently owned and operated affiliates. Keys, Locks, Lock Pick, Locksmiths, Security Lock, Key Replacement, Lock Picking, Emergency Locksmith, Locked Door, Unlock Door, Lost Keys, Lock & Key, Make Keys, Key Making, 24 Hour Locksmith, Keying, Lock Smith, Emergency Locksmiths, Key Cutting, Locksmith Service, Re Key, Key Cutter, Lockout Locksmith.