Welcome to the website of the Office of Professional and Financial Regulation, an agency within the Department of Professional and Financial Regulation. We appreciate your visit to our homepage and we look forward to assisting you.


Although our building in Gardiner, Maine is not open to the public due to the COVID-19 health emergency, our staff remains available to resolve your complaints, answer your questions, and continue to deliver high-quality services to consumers and regulated industries.


Please contact us by email or by phone or through our other online services, and we will assist you. Thank you, and we look forward to hearing from you.


The staff of the Office of Professional and Occupational Regulation


Notice Regarding License Verification Requests

Effective March 1, 2019, the Office of Professional and Occupational Regulation (OPOR) will no longer issue paper license verifications. License verifications are available, free of charge, on OPOR’s official database, https://www.pfr.maine.gov/ALMSOnline/ALMSQuery/Welcome.aspx.This database is updated in real time as changes occur.The Office of Professional and Occupational Regulation considers this information to be a secure, primary source for license verification.






Features of our online Licensing System


Examination Information Bulletin The Maine Plumbers’ Examining Board has contracted with PROV, Inc. to provide its examinations for approved candidates. The Candidate Information Bulletin helps explain the rules and processes candidates will need to undertake to complete the testing requirements for their professional licenses.

2015 UPC


The Plumbers’ Examining Board has adopted and incorporates herein by reference the International Association of Plumbing and Mechanical Officials Uniform Plumbing Code, 2015 edition, as the standard for plumbing installations in the State of Maine, subject to the exclusions and amendments set forth in the Board’s laws and rules.

2018 PHCC Uniform Plumbing Code Presentation

2018 PHCC Uniform Plumbing Code Presentation (pdf)

2015 Common Plumbing Code Issues (pdf)

License Delivery

Future correspondence from the Plumbers' Examining Board will be sent to you by email, so please be sure to keep your contact information current. Follow this link to verify your contact information.


License Descriptions

How to apply for a license

Veterans Preference Policy (adopted February 2017)

The Office of Professional and Occupational Regulation wants to make sure that individuals who have military experience and training and who wish to obtain a plumbing license receive appropriate credit for their military training and experience. If you have military experience and training in the plumbing field and want to become licensed in Maine as a Master or Journeyman Plumber, please contact Bob LeClair (207-624-8678) or Catherine Carroll (207-624-8605) or email the office before submitting an application. They will explain the application process and assist you in preparing your application for licensure.

Click HERE for information specific to military qualifications.

Air Testing On March 9, 2011, the Plumbers' Examining Board voted to allow the testing of plastic schedule 40 DWV piping systems with 5 psi maximum of air. For safety purposes, when testing with air, a listed 6 psi relief valve is required. Click HERE for a copy of the policy.
Requirement to Report Convictions and Changes of Contact Information Within 10 Days of the Occurrance

10 Day Notification

The Maine State Bureau of Identification provides the ability for individuals to request criminal history records maintained by the Maine State Police, State Bureau of Identification. This records search will provide you with all conviction and adjudication information for crimes committed within the State of Maine that the Bureau of Identification currently has on record, as well as pending cases less than one year old.

Laws & Rules

Plumbers' Examining Board Laws & Rules


Rule Making

Notice of Agency proposed rulemaking - Office of Professional and Occupational Regulation, Chapter 10 - Establishment of License Fees


Maine State Internal Plumbing Code
EPA's Lead-Based Paint Renovation, Repair and Painting Program Rule



Last Updated: April 27, 2020