Brina H.
7/24/2025
ROY. YES. ROY. YES. straight shooter. knows his stuff in the store. I needed a new computer car key fob. Roy said I didn't and saved my azz for only $40 instead of $200 elsewhere. GO SEE RAY.
Granite Lock Co., Inc.
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(56)
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755 Southern Artery # 3A
Quincy, MA 02169
Located in Quincy, Granite Lock has been serving the Greater Boston area and surrounding communities for 40 years. We are a family-owned bonded and insured full-service locksmith operation providing "rock solid security" to our customers. 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, and lock rekeying, as well as standard replacement and 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!
Reviews
5.056 reviews
Greg T.
8/20/2024
Zack from Granite Lock just left after salvaging our front door deadbolt lock and sharing an immense amount of expertise. He pointed out how the trim around our door was impacting the lock's...
Kathie L.
6/17/2024
I can't say enough about Granite Lock (Quincy). When I called this morning, I had them confirm that their business was actually IN Quincy. Before we made the appointment, I was given their rates...
Barry B.
6/16/2024
Pleasant, skilled and knowledgeable technician came to my home. Arrived with all the parts that he needed and finished the entire job in one pass.
Maura M.
9/22/2023
Zach from Granite Lock came to newly purchased 2 family. changed locks so efficiently but also explained everything. He was professional but also very friendly. I would highly recommend their...
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