How to Become a Plumber in Maine
Maine uses individual plumbing licenses that distinguish trainee, journeyman-in-training, journeyman, and master pathways. The board’s experience and examination routes are separate from local permits, inspections, code enforcement, and any business requirements. The rules can differ by state, city, and type of work.
Regulator: Maine Plumbers Examining Board and local authorities
Employment outlook: Maine vs United States
These state and national projections describe the occupation. They do not promise a job, wage, or opening.
Maine state record
2024–2034
- Employment (2024)
- 2,740
- Projected (2034)
- 2,760
- Projected change
- 0.6% (2024–2034)
- Annual openings
- 225
Source note: Maine CWRI is the source of record for the plumber, pipefitter, or steamfitter 2024–2034 projection row. The wage ladder is a separate statewide, all-industry May 2025 CWRI estimate; neither series is a job offer or individual earnings prediction.
United States benchmark
2024–2034; national benchmark, not a state estimate for Maine
- Employment (2024)
- 504,500
- Projected (2034)
- 527,200
- Projected change
- 5% (2024–2034)
- Annual openings
- 44,000
National median wage benchmark: $63,800
Annual openings are the source’s estimate and may include growth and replacement demand. They do not count jobs available to you now.
Official sources used for this record (15)
These links show the source trail for the record. A listing is a citation, not an endorsement; confirm volatile rules and local requirements before acting.
- Maine Electricians Examining BoardMaine Office of Professional and Occupational Regulation · accessed 2026-09-14
- Maine Plumbers Examining BoardMaine Office of Professional and Occupational Regulation · accessed 2026-09-14
- Maine Fuel BoardMaine Office of Professional and Occupational Regulation · accessed 2026-09-14
- Maine electrical permitsMaine Electricians Examining Board · accessed 2026-09-14
- Maine Uniform Building and Energy CodeMaine Department of Public Safety · accessed 2026-09-14
- Maine Office of Community Affairs code enforcementMaine Office of Community Affairs · accessed 2026-09-14
- Maine DOL apprenticeshipMaine Department of Labor · accessed 2026-09-14
- Maine CWRI employment projectionsMaine Center for Workforce Research and Information · accessed 2026-09-14
- Maine CWRI occupational wagesMaine Center for Workforce Research and Information · accessed 2026-09-14
- Maine Job Outlook workbookMaine Center for Workforce Research and Information · accessed 2026-09-14
- Maine May 2025 OEWS workbookMaine Center for Workforce Research and Information · accessed 2026-09-14
- Projections Central Maine cross-checkProjections Central · accessed 2026-09-14
- Maine individual plumber licensesMaine Plumbers Examining Board · accessed 2026-09-14
- Eastern Maine Community College PlumbingEastern Maine Community College · accessed 2026-09-14
- Maine registered apprenticeship occupations listMaine Department of Labor · accessed 2026-09-14
Do I need to pay for school first?
Do not treat a listed course as a required first step. We have not established a school requirement for every route. Ask the regulator and the employer or apprenticeship sponsor these questions before paying:
- Can I apply for supervised paid work before enrolling? Which registration or license must I hold first?
- Is classroom training required for this exact route, or is it one of several options?
- Does this specific approved course count toward the qualification I want? Who confirms that credit?
- What can I legally do after completion, and what experience or examination remains?
- What are the full costs and refund terms before I pay a deposit?
These are verification questions, not findings about this pathway. A source-checked training listing does not establish school necessity, legal authority, a paid position, or an open application.
Maine plumbing license status, local permit issuance, inspections, code enforcement, and business registration are separate questions. Check the town or city and the actual work scope before accepting independent work.
Source record checked
We checked the official sources for this state and trade on the review date shown.
Checked recently: 2026-09-14 · source period May 2025. This date is a reminder to check the information. It does not mean it was checked again.
What this does not prove: This is not a job offer or a promise of a training place, a job, a license, or a certificate. It does not show that an employer is involved.
Your next best steps
Start with a conversation, not a resignation. Use these steps to check your options. They do not guarantee a job, a training place, or a license or certificate.
Check which work you may do
Check the Maine Plumbers Examining Board and local authorities page. Ask which Plumber work you may do, who must supervise it, and which exams and fees apply. Make sure the rules are for workers, not just contractors or businesses. This is not a job offer or a promise of a training place, a job, a license, or a certificate. It does not show that an employer is involved.
Ask what the training qualifies you to do
Ask the school what you will learn, how much hands-on practice you will get, and what you can do after finishing. A course completion certificate is not a license or a job offer. This is not a job offer or a promise of a training place, a job, a license, or a certificate. It does not show that an employer is involved.
Ask about current jobs and training places
Ask whether there is a paid job now, a training program to apply to, or only a list for future applicants. Check starting pay, work hours, tools, travel, benefits, how they choose applicants, and what happens if the job or training ends early, or if you leave early. This is not a job offer or a promise of a training place, a job, a license, or a certificate. It does not show that an employer is involved.
Questions to take with you
Use these with a regulator, employer, sponsor, or training provider. Save the answers in writing when possible.
- 1Are these Plumber rules for individual workers, contractors or businesses, or both? Check the linked licensing authority for current rules, the work you may do, and how to apply.
- 2Which work or class hours count toward the license, certificate, or required experience? Who keeps the records? Check the linked licensing authority for current rules, the work you may do, and how to apply.
- 3Can I start paid work under supervision before I earn the license or certificate? Who must supervise me? Check the linked licensing authority for current rules, the work you may do, and how to apply.
- 4Is there a paid job or training place open now? Is this only a list for future applicants, or an old listing? Check the linked licensing authority for current rules, the work you may do, and how to apply.
- 5What is the starting pay, and how could it rise? Can I get those terms in writing? Check the linked licensing authority for current rules, the work you may do, and how to apply.
- 6Which fees, tools, travel, exams, insurance, or equipment will I need to pay for? Check the linked licensing authority for current rules, the work you may do, and how to apply.
- 7Does finishing this program count toward Maine requirements? Does the licensing authority need to approve it separately? Check the linked licensing authority for current rules, the work you may do, and how to apply.
Steps to qualify in Maine
Click on each stage to inspect the legal requirements, hours, fees, and exam specifications.
Maine trainee plumber or journeyman-in-training license
Begin under direct supervision
Maine lists trainee and journeyman-in-training plumbing licenses. Both are supervised entry routes, and a person must not represent a journeyman license before meeting the board’s requirements.
- Classroom hours:
- Program and route dependent
- Supervised work hours:
- Supervised plumbing installation experience
Stored requirement from this source-checked record. Read the stage's official source and confirm current eligibility, accepted credits, and how hours must be documented.
A state or exam fee is not the total cost. Tuition, tools, protective equipment, travel, application waiting time, unpaid study, and lost income need a separate written budget. A complete route cost is not verified here.
Key requirements in this record
- Choose a trainee or JIT route that matches the current board rules
- Work under the direct supervision of a licensed journeyman or master plumber
- Confirm how the employer or program documents qualifying hours and instruction
Online Training Applicability
Training, experience, and continuing education
These requirements describe different things: related instruction, supervised on-the-job experience, wiring-school instruction, and renewal education. They are not interchangeable and do not prove a current sponsor seat, employer opening, or placement result.
Continuing education
The reviewed source set did not establish one statewide continuing-education total; confirm current board renewal requirements.
Selected-stage instruction
Maine trainee plumber or journeyman-in-training license
Program and route dependent
Selected-stage field experience
Maine trainee plumber or journeyman-in-training license
Supervised plumbing installation experience
Stage-by-stage hour qualifiers
Maine trainee plumber or journeyman-in-training license
Instruction/training: Program and route dependent
On-the-job experience: Supervised plumbing installation experience
Maine journeyman plumber license
Instruction/training: Route and board requirements vary
On-the-job experience: At least 4,000 hours on the trainee route described by the board
Maine master plumber license
Instruction/training: Board and route dependent
On-the-job experience: At least 2,000 journeyman hours on the route described by the board
Questions to verify for Maine career switchers
When can I legally begin earning money?
Paid trainee or supervised entry work may be possible through an employer or program; the sources do not guarantee a position, compensation, benefits, or selection outcome.
Does online trade training count toward my license?
Plumbing theory can be studied online, but qualifying supervised installation experience, practical competence, examinations, licenses, permits, and inspections remain separate.
What does it take to start my own contracting business?
Independent plumbing work requires the appropriate Maine license, local permit and inspection path, code compliance, business registration, insurance, tools, vehicle, and working capital. The reviewed sources do not establish one statewide contractor timeline.
Will another state accept my license or certificate?
This record does not list a verified reciprocity agreement. Check the current transfer or examination-waiver rules with the relevant board before assuming that a credential or work history transfers to another state.
Ready to map your personal transition into Maine Plumber work?
Input your current income, budget, and evening availability to generate a step-by-step planning outline with listed training options. Check each provider and regulator before enrolling.