Mechanical/Plumbing & Gasfitting

Effective July 21, 2021, the NH Office of Professional Licensure and Certification (OPLC) has responsibilities for mechanical licensing in our state. This includes plumbing, gas, oil and water treatment professionals.

Do you need a mechanical license?

The Mechanical Safety and Licensing Board transferred from the Department of Safety to the Office of Professional Licensure and Certification (OPLC). For more information visit: OPLC Mechanical Safety & Inspection

Location

Office of Professional Licensure & Certification (OPLC)

7 Eagle Square, Concord, NH 03223

Hours

Monday-Friday

8AM-4PM

(except for New Hampshire State Holidays)

State Building Permit Requests

Plumbing and mechanical inspection requests under the state building permit system will continue to be coordinated by calling the State Fire Marshal's Office or by emailing dos.fmo.inspec@dos.nh.gov.

The NH State Fire Marshal's Office is also available to help municipalities with compliance inspections, answer code que stions, and conduct inspections.

Here is additional information about the State Building Permit System.