Cerny's Locksmith / Eagle Security Service is your commercial security installation and service company. We are a family owned and operated business that has been servicing south San Francisco and the surrounding areas since 1916. This is our 86th year of professional locksmith installation and service.
We specialize in access control systems, card key systems, alarm systems, camera systems and many more services. We service office towers, business campuses, manufacturing facilities and hospitals. From retail stores, banks and residential facilities, Cerny's Locksmith is your number one source for professional, state-of-the-art security and service.
Our key systems are manufactured by KeyMark™ by Medeco®. KeyMark is the best source for key security systems. Our California license number is 3266. Our LOC number is 2143 and our contractor's license number is 586746-CIO. We specialize in American Disability Act hardware, mechanical hardware, and automatic door openers.