Granit Lock
Contact Us
Call Granite Lock: 617-472-2177
Granite Lock Rear Entrance and Service Truck

Granite Lock Co., Inc.
755 Southern Artery, Rte. 3A
Quincy, MA 02169
Phone: 617-472-2177
Entrance and parking are located in the rear of the building.

Monday - Friday 8:30 A.M. - 5:30 P.M.
Saturday 9 A.M. - 12 P.M.

24-hour emergency service for our clients. Emergency service during business hours
will be handled promptly.

If you prefer, please complete the information request form below and a staff member will contact you as soon as possible.


Email address:



From the North on Southern Artery,
Rte. 3A:

Pass Granite Lock and take a sharp right at Quint's Flowers onto Bay View Street.

From the South on Southern Artery,
Rte. 3A:

Take a left at set of lights where Captains Cove Condominium is located onto Bay View Street.

Credit cards accepted
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