Granite Lock Co., Inc.

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

09/08/2026

From your first car to your first storefront, Granite Lock Co Inc is there Securing What Matters, Every Step of the Way! We offer comprehensive commercial solutions including ADA-compliant hardware, electronic strikes, and restricted key systems to keep your business running safely. Experience the peace of mind that comes with over 40 years of local expertise. 🚪🏢🚗

Recognizing the value of work, the joy of rest, and the spirit of Labor Day.
09/07/2026

Recognizing the value of work, the joy of rest, and the spirit of Labor Day.

07/13/2026

Locked out or looking to upgrade? Contact Us Today! Visit our showroom at 755 Southern Artery in Quincy to explore our massive selection of keys and security products, or call 617-472-2177 for immediate assistance. From emergency lockouts to professional safe installations, the Granite Lock team is ready to help. 📞🏢

07/13/2026

Moving into a new home? Don't leave your security to chance. Your Safety is Our Priority, which is why we offer cost-effective rekeying services that render old keys useless without the need for full hardware replacement. Our mobile units are equipped with vehicle-mounted key machines to bring the solution right to your driveway. Click to book your rekeying service today! 🔑✨

Reflecting on the values of freedom and unity that endure in your hearts. ✨
07/04/2026

Reflecting on the values of freedom and unity that endure in your hearts. ✨

Honoring the strength and wisdom passed down through generations on Father's Day. 💙
06/21/2026

Honoring the strength and wisdom passed down through generations on Father's Day. 💙

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. 🏠🛡️

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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