Located in Quincy, Granite Lock has been serving the Greater Boston area and surrounding communities since 1981. We are a family-owned bonded and insured full-service locksmith operation providing "rock solid security" to our customers. Over the years, we have invested in state of the art automobile key programming and computer run key machines in order to stay on top of the rapidly changing technology. We offer expert key duplication, lock repairs, lock rekeying, as well as standard replacement hardware to solid forged brass top quality decorative hardware. We install everything that we sell. We also sell, service and repair burglary and fire safes. Residential or commercial, big or small, Granite Lock does it all! Our showroom has display mounts as well as safety and security related products along with a large selection of keys for auto, home and business. Our staff will be happy to take the time to answer your questions, giving you individualized attention and service. Our success at Granite Lock results directly from the trust that our satisfied customers have placed in us to solve their security problems. We look forward to doing business with you in the future.