ABCO Locksmith, Lock & Alarm, located in Larchmont, NY, is Westchester County's premier provider of lock and alarm services. ABCO specializes in installation of locksmith work, alarm systems, burglary & fire, high security locks, lock installation, lock repairs, panic devices, ADA-compatible door closers, access control, door automation, safes & vault sales and service, and combination changes. ABCO Lock & Alarm services Westchester County including towns of Larchmont, Mamaroneck, Scarsdale, Harrison, Rye, Rye Brook, White Plains, New Rochelle, Yonkers, Mount Vernon, and Port Chester. Outside of Westchester, ABCO also services counties of Rockland, Orange, Putnam, and Fairfield.