Granite Lock Co., Inc.

Granite Lock Co., Inc. Family-owned and insured full-service locksmiths providing rock-solid security to our customers.

06/09/2026

Since 1981, we’ve provided Rock Solid Security to the Greater Boston area. As a fully bonded and insured operation, we don't just keep up with technology—we lead it. From cutting-edge transponder key programming for your vehicle to high-security master key systems for your business, our expertise is as solid as the Quincy granite we’re named after. 🔐💼

In remembrance and gratitude for those who served and sacrificed for our country. 🇺🇸
05/25/2026

In remembrance and gratitude for those who served and sacrificed for our country. 🇺🇸

A mother's love is like no other - nurturing, comforting, and forever cherished. Happy Mother's Day. 🌷
05/10/2026

A mother's love is like no other - nurturing, comforting, and forever cherished. Happy Mother's Day. 🌷

04/08/2026

When it comes to your home, "good enough" isn't an option. At Granite Lock Co Inc, we specialize in Protecting What’s Precious with premium hardware from brands like Emtek and Baldwin. Whether you live in a modern build or a historic home with 80-year-old mortise locks, our expert team ensures your sanctuary is secure. Trust the family-owned experts who have been the South Shore's first choice since 1981. 🏠🛡️

May your troubles be less and your blessings be more this St. Patrick's Day. 🍀
03/17/2026

May your troubles be less and your blessings be more this St. Patrick's Day. 🍀

On this Veterans Day, we honor and salute the brave men and women who have served our country.
11/11/2025

On this Veterans Day, we honor and salute the brave men and women who have served our country.

Have a frightfully delightful Halloween! 👻
10/31/2025

Have a frightfully delightful Halloween! 👻

Wishing everyone a relaxing and enjoyable Labor Day!
09/01/2025

Wishing everyone a relaxing and enjoyable Labor Day!

Happy 4th of July! Time to celebrate our freedom with family, friends, and fireworks! 🎉🎆
07/04/2025

Happy 4th of July! Time to celebrate our freedom with family, friends, and fireworks! 🎉🎆

07/01/2025

For comprehensive locksmith services, put your trust in Granite Lock Co Inc. From key duplication to safe installations, our experienced team ensures top-notch security solutions for all your needs.

Address

755 Southern Artery
Quincy, MA
02169

Opening Hours

Monday 8am - 4:30pm
Tuesday 8am - 4:30pm
Wednesday 8am - 4:30pm
Thursday 8am - 4:30pm
Friday 8am - 4:30pm
Saturday 9am - 12pm

Telephone

+16174722177

Website

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