Granite Lock Co., Inc.

Granite Lock Co. is a family-owned locksmith and security company in Quincy serving homeowners, businesses and property managers across Greater Boston and the South Shore. Its work spans residential, commercial and automotive needs, including key duplication, lock repair and rekeying, hardware installation, safes and security solutions. The shop invests in computerized key-cutting equipment, automotive transponder key programming and modern mechanical and electronic locking systems to keep pace with security technology.

The company’s roots go back to 1958, when Dick began his locksmith career at Granite City Hardware. In 1981 he and his son Rick founded Granite Lock, and the business has stayed family-owned for more than four decades. Its technicians aim to pair that long experience with honest service and quality workmanship, and the team can walk customers through practical security options for their doors and properties.

What to Know

• The company is bonded and insured.
• It holds Massachusetts systems technician and systems contractor licenses, plus a Department of Public Safety license.
• Memberships include the Massachusetts Locksmiths Association, Associated Locksmiths of America and the Safe & Vault Technicians Association.
• It is a member of the South Shore Chamber of Commerce.