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Your Trusted Door & Lock Partner in Goffstown
At Best Door & Lock, we are committed to delivering exceptional door, window, and security solutions tailored to meet the unique needs of commercial and residential clients. With decades of combined experience, our certified technicians specialize in installation, repair, and maintenance services, ensuring optimal functionality, safety, and aesthetic appeal for every project. We pride ourselves on offering a one-stop shop approach, combining component service, replacement, and locksmith expertise to serve property managers, schools, hospitals, and homeowners efficiently. Our dedication to quality craftsmanship and customer satisfaction is reflected in our partnerships with top manufacturers and adherence to industry standards like NFPA 80 and NFPA 101.

As the exclusive provider of Intertek Qualified Personnel (IQP) for raceway installations in New Hampshire, we guarantee compliance and safety in every fire door installation or modification. Whether addressing emergency lockouts, upgrading security systems, or enhancing energy efficiency, our team prioritizes reliability, transparency, and personalized service to meet the evolving needs of our clients.
Services
Door Installation Locksmithing Fire Door Inspections Window Replacement Emergency Lockout Services
Highlights and features
  • We offer 24/7 emergency lockout assistance for businesses and homes.
  • Our certified technicians ensure flawless installation and compliance with NFPA standards.
  • We are the exclusive IQP raceway installer in New Hampshire.
  • Our one-stop shop approach saves time for property and facility managers.
  • We provide tailored security solutions for commercial, residential, and fire door needs.
Associations and certifications
  • Intertek Qualified Personnel (IQP)
  • AFL
  • AFDI
  • ALOA Fire Door Inspection
Services
Commercial Door Installation
We specialize in commercial door installation, ensuring durability and compliance with safety regulations. Our certified technicians handle hollow metal doors, traffic doors, and storefront glazing to enhance security and aesthetics. Clients benefit from seamless operations and long-lasting solutions tailored to high-traffic environments.
Fire Door Inspections
Our fire door inspections ensure compliance with NFPA 80 and NFPA 101 standards. Certified inspectors conduct 13-point checks and annual re-inspections to maintain safety and regulatory adherence. Property managers gain peace of mind with expert evaluations and documentation for insurance and liability purposes.
Residential Locksmithing
Residential locksmith services include rekeying, deadbolt installation, and electronic lock upgrades. We enhance home security with restricted key systems and 24/7 emergency assistance. Homeowners receive reliable, prompt service to protect their properties and families.
Window Replacement
Vinyl and aluminum window replacements improve energy efficiency and curb appeal. Our installations reduce drafts and noise while boosting insulation. Clients enjoy lower utility bills and modern aesthetics for both residential and commercial properties.
Emergency Lockout Services
24/7 emergency lockout assistance minimizes downtime for businesses and homes. Services include mobile key cutting, mailbox lock replacement, and immediate access solutions. Clients rely on our rapid response and certified technicians for urgent needs.
People
Wayne Komm
Owner
Wayne Komm leads Best Door & Lock with a focus on quality craftsmanship and customer satisfaction. His leadership ensures the company maintains industry certifications and delivers reliable solutions for commercial and residential clients.
Melissa Zimmerman
General Manager
Melissa Zimmerman oversees daily operations and client relations at Best Door & Lock. Her expertise in fire door compliance and IQP-certified installations ensures adherence to safety standards and client trust.
Jason Timmons
Lead Field Technician
Jason Timmons manages field operations and technical installations. As an IQP-certified raceway installer, he ensures precision and compliance in every project, supporting the company's commitment to excellence.
Claude Authier
Shop Supervisor
Claude Authier supervises in-house production and quality control. His oversight of hardware and component preparation ensures every installation meets Best Door & Lock's high standards for durability and performance.
Isaac Santos
Field Technician
Isaac Santos provides on-site installation and repair services. His hands-on expertise supports the company's mission to deliver efficient, client-focused solutions for door, window, and security needs.
Questions
Do you offer 24/7 emergency services?
Yes, we provide 24/7 emergency lockout assistance for residential and commercial clients.
What areas do you serve?
We serve southern New Hampshire, including Manchester, Concord, and Goffstown.
Are your technicians certified?
Yes, our team includes IQP-certified installers and ALOA-certified fire door inspectors.
Do you handle fire door compliance?
Yes, we offer NFPA 80-compliant fire door inspections and maintenance to meet safety regulations.
Can you replace mailbox locks?
Yes, we provide mailbox lock replacement services to secure your mail and property.
Do you install electronic locks?
Yes, we offer standalone electronic levers and keyless entry systems for enhanced security.