If you ‘re locked out, we’ ll get you back in .If you ‘ve lost your car keys, we ‘ll get you going again. Whether it’ s an emergency lockout or a well – planned commercial security overhaul, City One Locksmith has the solution you need, where and when you need it. With over 20 years of experience in the San Fernando Valley Los Angeles area, we install, service, and repair all types of locks, door hardware, and security systems.Commercial, residential, and automotive solutions are our specialties. We rekey, change, and repair locks of all types, including mailbox and commercial lever locks.file cabinet locks, emergency / panic alarms whether they are electronic, digital keypad, swipe card, or combination.For fast security systems you can trust.