Apply for a Master Pipefitter License

Take the next step in your career. Apply for your Master Pipefitter License.

Office of Public Safety and Inspections, Division of Occupational Licensure

Online

If looking for a status update on a license renewal, please put your full OPSI license number, including prefix, in the subject line. Email Office of Public Safety and Inspections, Division of Occupational Licensure at OPSI-info@mass.gov

The Details   of Apply for a Master Pipefitter License

What you need   for Apply for a Master Pipefitter License

To complete an application, enter all required information and attach the following documents:

  • A 2" x 2" photo to the application.
  • Documentation from employer that you have held and used a Massachusetts Journeyman Pipefitters license for not less than 2,000 hours.
  • Proper documentation, from an approved school that you have completed 100 hours of A.S.M.E. Code instruction.
  • Proper documentation from an approved school that you have completed 100 hours of additional Pipefitter theory instruction.

Fees   for Apply for a Master Pipefitter License

Active military members, their spouses & military veterans may qualify for fee-reduction benefits under the Valor Act. Checks or money orders should be made payable to the Commonwealth of Massachusetts. All money orders must be signed and dated.

Name Fee Unit
Non-Refundable Application Fee $100 each

How to apply   Apply for a Master Pipefitter License

Online applications can be submitted through the My License portal.

Please mail your completed application, found below under Downloads, along with the application processing fee to:

Division of Occupational Licensure 
Office of Public Safety and Inspections 
1000 Washington Street Suite 710 
Boston, MA 02118 
ATTN: Master Pipefitter Application

Next steps   for Apply for a Master Pipefitter License

  1. Get the Bureau's Approval to Take the Master Pipefitter Exam

    Applicants will be notified by mail approximately four (4) to eight (8) weeks after receipt of application by the Office of Public Safety & Inspections (OPSI). Examinations are held as applications are received (first come, first served).

  2. Take the Exam

    You will receive in the mail a Notice to Appear at an examination site. After your exam, your scores will be available within a week's time on the OPSI website

    If you don't earn a passing score, you must reapply to take the exam.

  3. Get your License

    If you pass the examination, your license will arrive in the mail in approximately 2-3 weeks.

More info   for Apply for a Master Pipefitter License

Important Information if you Employ or Plan to Employ an Apprentice

A Pipefitter Apprentice must be licensed with the OPSI, must hold a valid registration with the Division of Apprenticeship Standards, and must be employed by a Massachusetts Master Pipefitter for the duration of their apprenticeship. A Journeyman Pipefitter can supervise the work of the Pipefitter Apprentice, but the work hours will only be accepted while registered with the DAS, licensed with the OPSI, and under the employment of the Master Pipefitter. For more information see here.

Incomplete applications will not be scheduled for examination until all missing documentation is submitted.

Downloads   for Apply for a Master Pipefitter License

Contact   for Apply for a Master Pipefitter License

Address
Main Office
1000 Washington St, Suite 710, Boston, MA 02118
Online
If looking for a status update on a license renewal, please put your full OPSI license number, including prefix, in the subject line. Email Office of Public Safety and Inspections, Division of Occupational Licensure at OPSI-info@mass.gov

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