Mechanical Safety and Licensing Board

Effective July 1, 2021, the Mechanical Safety and Licensing Board transferred from the Department of Safety to the Office of Professional Licensure and Certification. On July 21, 2021, their physical office location will be at 7 Eagle Square, Concord, NH.

The Mechanical Safety and Licensing Board was recently established under Senate Bill 189-FN in 2013 and combines Mechanical Safety, Plumbing Safety, Voluntary Certification of Water Treatment Technicians and Heating Equipment Installers/Service Personnel.

Who We Regulate:

Fuel Gas Fitting

  • Trainee
  • Installation
  • Service
  • Piping
  • Domestic Appliance
  • Hearth System Installation and Service


  • Trainee
  • Journeyman
  • Master

Water Treatment Technician - Voluntary
Oil Heating Technician - Voluntary
Business Entities (including corporations, LLC’s and partnerships)


Contact Information:

Office of Professional Licensure & Certification
7 Eagle Square
Concord NH, 03301


Customer Support:
Phone: 603-271-2152