Chelmsford Lock & Key Inc

Chelmsford Lock & Key, Inc., founded in 1966 and based in Chelmsford, MA, provides residential and commercial locksmith services throughout the Essex area and Merrimack Valley. The company handles hardware sales, installation, and service, ranging from door cylinder replacements to high-end architectural hardware and accent piece installations. Services include master keying, re-keying, lock repairs, upgrades, and related support. Merrimack Valley Lock & Key operates as a division of Chelmsford Lock & Key, Inc. Every product sold or installed includes the manufacturer’s warranty, supplemented by the company’s own warranty. Chelmsford Lock & Key, Inc. serves homeowners, property managers, and businesses seeking dependable security hardware and professional installation.