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50+ Years
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Emergency
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Your Trusted Locksmith in Haverhill, MA
Chelmsford Lock & Key has been a trusted provider of residential and commercial locksmith services in Haverhill, MA since 1967. Our team of bonded and insured professionals brings decades of experience to every lock, key, and security challenge, serving communities across Massachusetts with a commitment to quality and customer care. We specialize in preventative security solutions, including lock installations, rekeying, high-security systems, and ADA-compliant handicap door openers.

Backed by our Massachusetts Locksmiths Association Permit #763, we combine local expertise with industry-leading products from brands like Medeco and Schlage to deliver reliable, warrantied service. Our 24/7 emergency response ensures rapid assistance for lockouts, while our focus on transparency and fair pricing has earned us a reputation as a community-focused security partner.
Services
Residential Locksmith Commercial Locksmith Key Making Lock Rekeying Handicap Door Opener Installation
Details
  • Year established: 1967
Highlights and features
  • We have been a locally owned and operated business since 1967.
  • Our team consists of bonded and insured commercial and residential locksmiths.
  • We offer a wide range of lock and key services for all property types.
  • We handle both big and small jobs with equal expertise.
  • Our prices are always fair and reasonable with no hidden fees.
Associations and certifications
  • Massachusetts Locksmiths Association
Services
Residential Locksmith
We provide comprehensive residential locksmith services including lock installations, rekeying, and high-security upgrades. Our technicians handle emergencies 24/7 with average response times under 30 minutes. Services are tailored to older homes and modern properties across the Merrimack Valley.
Commercial Locksmith
Our commercial services include master key systems, access control, and panic bar installations. We serve offices, retail spaces, and industrial facilities with 24/7 emergency support. Solutions are customized for security compliance and operational efficiency in Chelmsford and surrounding areas.
Handicap Door Opener Installation
We install ADA-compliant handicap door openers for businesses and homes. Our solutions ensure accessibility while meeting legal requirements. Services include consultation, hardware selection, and professional installation to improve convenience and safety for all users.
Key Making
We offer key duplication and specialized key systems for residential and commercial properties. Services include high-security key systems, master keying, and emergency key replacements. We work with leading brands to ensure durability and compatibility across all lock types.
Lock Rekeying
Our rekeying services provide cost-effective security upgrades for homeowners and businesses. We reset locks to work with new keys while maintaining existing hardware. This service is ideal for new property owners or after security breaches.
Questions
What residential locksmith services do you offer?
We provide lockouts, rekeying, deadbolt installations, high-security upgrades, and smart lock installations for homes in Haverhill and surrounding areas.
Do you offer emergency lockout assistance?
Yes, we provide 24/7 emergency services with average response times under 30 minutes for residential and commercial lockouts.
How can I make my business ADA compliant?
We install handicap door openers and ensure compliance with accessibility standards. Our technicians provide consultation and hardware solutions for commercial properties.
What commercial security solutions are available?
We offer access control systems, master key systems, panic bars, and high-security locks tailored to businesses in Chelmsford and the Merrimack Valley.
Do you work with commercial property managers?
Yes, we provide comprehensive security solutions for multi-tenant buildings including key control systems and emergency maintenance services.