Maine Contractor Licenses: Updated Requirements Guide

Maine regulates construction and building trades through statewide, trade-specific programs housed in the Office of Professional and Occupational Regulation (OPOR) and other state agencies. Electricians, plumbers, boiler operators, elevator professionals, fire sprinkler contractors, and environmental abatement firms are licensed at the state level. City and town building departments remain central for permits and inspections, but contractor credentialing for the major trades listed below is handled by state authorities.

This guide spotlights several representative licenses and authorities for Maine to help you get oriented; we update it periodically. You will find concise eligibility criteria, exam and renewal notes, and direct links to official state pages so you can confirm details and begin your application with confidence.

If you are planning multi-trade projects, remember that Maine’s structure is role-based: hold the specific trade license for the work you perform (e.g., electrical, plumbing, boiler operation), and coordinate required local permits with the municipality where the job is located.

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Overview of Maine Contractor Licensing

Maine’s contractor credentialing is administered by multiple state-level authorities. Within the Department of Professional and Financial Regulation, the Office of Professional and Occupational Regulation (OPOR) oversees the Electricians’ Examining Board, the Plumbers’ Examining Board, the Boiler and Pressure Vessel Safety Program, and the Elevator and Tramway Safety Program. These programs license individual practitioners and (in some cases) contractor entities that perform regulated work across the state.

Outside OPOR, additional specialty areas are licensed by other agencies. The Office of State Fire Marshal (Department of Public Safety) regulates fire sprinkler system contractors and Responsible Managing Supervisors (RMS). The Maine Department of Environmental Protection (DEP) licenses asbestos abatement contractors and lead abatement contractors and certifies the professionals who perform this work.

Applicants should begin by identifying the exact license classification required for their scope of work. Use the official links in each section of this guide to confirm eligibility, complete education and experience prerequisites, schedule any required examinations, and submit application materials and fees.

Primary Licensing Authority

Multiple Authorities – See research notes

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Electrician Licenses in Maine

Maine regulates electrical work with 7 license types under the Electricians’ Examining Board at OPOR.

Apprentice Electrician

Regulatory authority: Electricians’ Examining Board, OPOR — Board page | License details

Scope of work

Performs electrical installations only under the direct supervision of a licensed master, journeyman, or limited electrician while enrolled in a registered apprenticeship.

Eligibility

  • Registered in a 4–5 year federal or state apprenticeship program.
  • Provide evidence of enrollment (e.g., Apprenticeship Agreement) with a U.S. DOL–registered or recognized state apprenticeship agency program.

Examination

No examination is required for initial apprentice registration.

Fees

  • Application: $25
  • Criminal background check: $21
  • Renewal: $25

Renewal

Biennial renewal based on the date of first licensure. No continuing education is required at the apprentice level.

Contact the Electricians’ Examining Board to confirm insurance requirements and any updates to fee schedules or renewal policies before applying.

Journeyman Electrician

Regulatory authority: Electricians’ Examining Board, OPOR — Board page | License details

Eligibility

  • Standard pathway: At least 8,000 hours of supervised electrical installation work as a licensed apprentice or helper under a master, journeyman, or limited electrician.
  • Education: 576 total hours including 45-hour courses in Electricity I, Electricity II, Math I, Controls I, and a current National Electrical Code (NEC) course, plus 351 hours of approved electives. Accredited high school or community college electrical programs may satisfy portions of these requirements.
  • Alternative pathways may allow 7,000 or 4,000 hours combined with specified accredited programs (see board guidance).

Examination

Board-approved journeyman exam covering electrical theory, NEC, and installation practices; passing score 70%. Exam provider: contact the Board to verify current scheduling procedures.

Fees

  • Application: $150
  • Criminal background check: $21
  • Renewal: $150
  • Late penalty: $50

Renewal

Biennial renewal. Continuing education: 15 hours, including the current NEC update course adopted by the Board.

Contact the Electricians’ Examining Board to confirm insurance requirements and any updates to reciprocity, fees, or CE policies before applying.

Journeyman‑in‑Training Electrician

Regulatory authority: Electricians’ Examining Board, OPOR — Board page | License details

Eligibility

  • Graduate from an accredited Maine community college or Department of Corrections electrical program.
  • Pass the journeyman examination.
  • Then complete at least 2,000 hours of licensed electrical installation experience under a master, limited, or electrical company.

Examination

Uses the journeyman electrician written examination; passing score 70%. Exam provider: contact the Board to verify current scheduling procedures.

Fees

  • Application: $150
  • Criminal background check: $21
  • Renewal: $150
  • Late penalty: $50

Renewal

Biennial renewal. Continuing education: 15 hours, including the current NEC update course.

Contact the Electricians’ Examining Board to confirm insurance requirements and any updates to upgrade procedures from Journeyman‑in‑Training to Journeyman.

Master Electrician

Regulatory authority: Electricians’ Examining Board, OPOR — Board page | License details

Eligibility

  • Experience: At least 4,000 hours as a licensed journeyman electrician, or 12,000 hours of electrical installation experience as defined in statute.
  • Education: 576 total hours, including 45-hour courses in Electricity I, Electricity II, Electronics I, Math I, Controls I, Controls II, Motors, Blueprint Reading/Drafting, Transformers, a current NEC course, plus 126 hours of board‑approved degree-related courses.

Examination

Board-approved master exam focused on advanced installation, design, and NEC compliance. Reciprocity may be available to qualified applicants from reciprocating states who meet experience and prior exam criteria.

Fees

  • Application: $150
  • Criminal background check: $21
  • Renewal: $150
  • Late penalty: $50

Renewal

Biennial renewal. Continuing education: 15 hours, including the current NEC update course.

Contact the Electricians’ Examining Board to confirm insurance requirements and current reciprocity arrangements before applying.

Limited Electrician – Low Energy (Including Fire Alarms)

Regulatory authority: Electricians’ Examining Board, OPOR — Board page | License details

Eligibility

  • Experience: 4,000 hours in low‑energy electronics installations (e.g., fire alarm, signaling, and other NEC-limited-energy systems).
  • Education: At least 270 hours of board‑approved electrical education plus a 45‑hour current NEC course focused on low‑energy systems.

Examination

Limited low‑energy exam covering fire alarms, signaling circuits, and low‑voltage NEC rules. Exam provider: contact the Board to verify current scheduling procedures.

Fees

  • Application: $150
  • Criminal background check: $21
  • Renewal: $150
  • Late penalty: $50

Renewal

Biennial renewal with 15-hour NEC update course required.

Contact the Electricians’ Examining Board to confirm insurance requirements and scope limitations for specific low‑energy applications.

Limited Electrician – Outdoor Signs (Including Sign Lighting)

Regulatory authority: Electricians’ Examining Board, OPOR — Board page | License details

Eligibility

  • Experience: 2,000 hours total, including at least 1,000 hours in outdoor sign and sign‑lighting installations; branch-circuit wiring is excluded from this limited scope.
  • Education: 135 hours, including 45-hour courses in Electricity I, Controls I, and a current NEC course.

Examination

Exam focuses on sign-lighting installations, relevant NEC articles, and license scope limitations. Exam provider: contact the Board to verify current scheduling procedures.

Fees

  • Application: $150
  • Criminal background check: $21
  • Renewal: $150
  • Late penalty: $50

Renewal

Biennial renewal with 15-hour NEC update course required.

Contact the Electricians’ Examining Board to confirm insurance requirements and any project-specific scope questions before bidding sign work.

Limited Electrician – House Wiring

Regulatory authority: Electricians’ Examining Board, OPOR — Board page | License details

Eligibility

  • Experience: 4,000 hours total, including at least 2,000 hours in house‑wiring installations for one‑ and two‑family dwellings or manufactured homes.
  • Education: 225 hours, including 45-hour courses in Electricity I, Electricity II, Controls I, Blueprint Reading, and a current NEC course.

Examination

Exam covers residential wiring methods, NEC dwelling requirements, and blueprint interpretation. Exam provider: contact the Board to verify current scheduling procedures.

Fees

  • Application: $150
  • Criminal background check: $21
  • Renewal: $150
  • Late penalty: $50

Renewal

Biennial renewal with 15-hour NEC update course required.

Contact the Electricians’ Examining Board to confirm insurance requirements and the exact residential scope permitted by the license on mixed-use projects.

Plumbing Licenses in Maine

Maine regulates plumbing work with 5 license types under the Plumbers’ Examining Board at OPOR.

Trainee Plumber

Regulatory authority: Plumbers’ Examining Board, OPOR — Board page | License details

Scope of work

Assists with plumbing installations under the direct supervision of a journeyman or master plumber while accumulating experience toward journeyman eligibility.

Eligibility

  • Employment by a licensed master plumber (or an entity employing a master plumber) and evidence of that employment are required.

Examination

No exam for trainee registration. The trainee license is the entry step toward journeyman-level examination.

Contact the Plumbers’ Examining Board to confirm current fees, renewal terms, and any insurance requirements applicable to employers of trainees.

Journeyman‑in‑Training Plumber

Regulatory authority: Plumbers’ Examining Board, OPOR — Board page | FAQ

Eligibility

  • Education: Complete one academic year or two semesters of board-approved plumbing instruction at a technical or community college; or a two-year plumbing course at an approved career and technical education program; or a Department of Labor registered apprenticeship.
  • Pass the journeyman examination with a minimum score of 70%.
  • After licensure, complete at least one year and 2,000 hours of supervised plumbing work under a master plumber before upgrading to journeyman.

Examination

Journeyman examination; minimum passing score 70%. Standard retake rules apply under Board policies.

Contact the Plumbers’ Examining Board to confirm fees, renewal limits for journeyman‑in‑training status, and any insurance requirements for employers.

Journeyman Plumber

Regulatory authority: Plumbers’ Examining Board, OPOR — Board page | License details

Eligibility

  • Experience: At least 2 years and 4,000 hours of plumbing installation work as a licensed trainee plumber under a master, or equivalent experience acceptable to the Board.
  • Education: Approved plumbing education via technical or community college, registered apprenticeship, or approved secondary program.

Examination

Journeyman plumbers exam; minimum passing score 70%.

Contact the Plumbers’ Examining Board to confirm current application and renewal fees, CE expectations (if any), and insurance requirements placed on employers or business entities.

Master Plumber

Regulatory authority: Plumbers’ Examining Board, OPOR — Board page | License details

Eligibility

  • Experience: At least one year and 2,000 hours as a licensed journeyman plumber; or four years and 8,000 hours as a licensed trainee under a master; or equivalent experience acceptable to the Board.
  • Education: Meet Board-recognized plumbing education requirements.

Examination

Master plumber examination covering advanced code application, design, and installation practices.

Contact the Plumbers’ Examining Board to confirm application and renewal fees, continuing education policies, and insurance requirements for business operations.

Limited Plumber

Regulatory authority: Plumbers’ Examining Board, OPOR — Board page | License details

Eligibility and Scope

Limited plumber licenses authorize restricted scopes of plumbing work as defined by Board rule. Eligibility typically builds on trainee or journeyman experience in the limited area; education and examination mirror journeyman-level expectations but are tailored to the specific limited scope.

Examination

Exam content focuses on the limited scope authorized by the license classification.

Contact the Plumbers’ Examining Board to confirm available limited categories, scope definitions, fees, renewal terms, and insurance expectations before applying.

HVAC Licenses in Maine

Maine regulates boiler plant operations within HVAC through the Boiler and Pressure Vessel Safety Program at OPOR.

Boiler Operator Training Permit

Regulatory authority: Boiler and Pressure Vessel Safety Program, OPOR — Program page | Permit details

Purpose and Scope

Issued solely to allow a candidate to gain six months of operating experience at a specified plant, which is required to qualify for the High Pressure Boiler Operator examination. The permit is limited to one year.

Examination

No examination for the training permit. Supervised experience must be completed within the permitted plant.

Fees

  • Application: $50
  • Criminal background check: $21

Renewal

No renewal; the permit is a one‑time, one‑year credential to document qualifying experience.

Contact the Boiler and Pressure Vessel Safety Program to confirm any plant-specific documentation and insurance requirements set by employers.

High Pressure Boiler Operator

Regulatory authority: Boiler and Pressure Vessel Safety Program, OPOR — Program page | License details

Eligibility

  • At least six months of high-pressure boiler operating experience under a Maine Boiler Operator Training Permit.
  • Practical knowledge sufficient to safely operate high‑pressure boiler plants, evaluated through the state examination.

Examination

100 multiple‑choice questions; minimum passing score 70%. Board approval is required prior to scheduling.

Fees

  • Application: $150
  • Criminal background check: $21
  • Renewal: $150
  • Late penalty: $50

Renewal

Three‑year renewal cycle based on the date of first licensure.

Contact the Boiler and Pressure Vessel Safety Program to confirm any employer insurance requirements and current exam scheduling procedures.

General Contractor Licenses in Maine

Maine regulates construction primarily through trade‑specific state licenses (e.g., electrical, plumbing, boiler operation, elevator, fire sprinkler, asbestos and lead abatement) rather than a single statewide “general contractor” credential. For projects that involve regulated trades, ensure you or your subcontractors hold the appropriate state licenses noted in this guide. Building permits and inspections are issued locally; confirm project permitting and business registration requirements with the municipality where the work is performed.

Roofing Licenses in Maine

Maine does not issue a separate statewide roofing contractor license. Roofing projects still require compliance with local building permits and state specialty rules when applicable (for example, asbestos or lead abatement when disturbing regulated materials). Verify permit, code, and any specialty licensing triggers with the city or town for each project, and ensure any electrical or mechanical components are performed by appropriately licensed trades.

Specialty Trade Licenses in Maine

Maine regulates several specialty areas at the state level, including fire sprinkler system contractors, elevator contractors and mechanics, and environmental abatement contractors for asbestos and lead.

Fire Sprinkler System Contractor License

Regulatory authority: Office of State Fire Marshal (OSFM), Department of Public Safety — Agency page | Program details

Scope and Structure

Fire sprinkler contractors must hold an OSFM license and designate a Responsible Managing Supervisor (RMS) who oversees technical competence, signs plans, and ensures compliance on each project.

RMS Qualifications

  • NICET Level III in automatic sprinkler system layout; or
  • Maine Professional Engineer (PE) licensure with at least five years of relevant experience.

Examination

RMS competency is demonstrated through external credentials (NICET or PE). OSFM evaluates compliance through licensing, plan review, and permitting processes.

Fees and Renewal

  • Application: $300
  • Renewal: $300
  • Term: Two years; maintain an eligible RMS and comply with OSFM rules.

Contact the Office of State Fire Marshal to confirm insurance expectations and any additional documentation required during plan review and permitting.

Elevator Contractor Registration

Regulatory authority: Elevator and Tramway Safety Program, OPOR — Program page | Registration details

Scope and Eligibility

Entities engaged in installation, sale, service, maintenance, or inspection of elevators in Maine must register annually and list all licensed private inspectors, mechanics, and helpers they employ. The contractor entity’s qualification hinges on employing properly licensed personnel.

Fees and Renewal

  • Application: $50
  • Renewal: $50
  • Late penalty (up to 90 days after Aug 31 expiration): $50; reinstatement options may be available up to two years.

Contact the Elevator and Tramway Safety Program to confirm insurance requirements for contractor entities and documentation needed for personnel rosters.

Elevator Mechanic License

Regulatory authority: Elevator and Tramway Safety Program, OPOR — Program page | License details

Eligibility

  • At least two years of elevator installation/service/repair/alteration experience while employed by an elevator company; or
  • At least 4,000 hours of elevator work over a minimum two-year period in other capacities, meeting statutory requirements.

Examination

Administered by PROV, Inc.; minimum passing score 80%. Applications must be submitted by the last day of the month prior to the exam date; failure to appear without notice forfeits the exam fee.

Fees and Renewal

  • Application: $50
  • Criminal background check: $21
  • Renewal: $50 annually (licenses expire August 31)
  • Late penalty (up to 90 days after expiration): $50; reinstatement options up to two years.

Contact the Elevator and Tramway Safety Program to confirm continuing education expectations (if any) and employer insurance documentation typically requested for field personnel.

Lift Mechanic License

Regulatory authority: Elevator and Tramway Safety Program, OPOR — Program page | License details

Eligibility

  • At least two years or 4,000 hours of lift installation/service/repair/alteration experience (employed by an elevator company or in other capacities meeting statutory requirements).

Examination

Administered by PROV, Inc.; minimum passing score 80%. Missed appointments without prior notice result in forfeited fees; rescheduling follows program rules.

Fees and Renewal

  • Application: $50
  • Criminal background check: $21
  • Renewal: $50 annually (licenses expire August 31)
  • Late penalty (up to 90 days after expiration): $50; reinstatement options up to two years.

Contact the Elevator and Tramway Safety Program to confirm any CE and insurance documentation standards for lift mechanics working under contractor registrations.

Asbestos Abatement Contractor License

Regulatory authority: Asbestos Hazard Prevention Program, Maine DEP — Program page | Licensed contractors

Scope

Required for any business entity conducting asbestos abatement activities (removal, repair, encapsulation, demolition, enclosure, handling, transportation, or disposal) of more than 3 square or linear feet of asbestos‑containing material. Supervisors and workers must hold individual DEP certifications.

Training and Personnel

  • Contractors must employ DEP‑certified asbestos workers and project supervisors who have completed DEP‑approved training and competency evaluation.
  • Associated services (inspection, design, analysis, monitoring, and training) are separately regulated and require appropriate licensing/certification.

Fees and Renewal

  • Application: $650
  • Renewal: $650
  • Project notifications and related fees are separate from contractor licensing fees and follow DEP rules (Chapter 425 and Title 38, Chapter 12‑A).

Contact the DEP Asbestos Program to confirm insurance documentation, notification timelines, and disposal requirements for each project.

Lead Abatement Contractor License

Regulatory authority: Lead Hazard Prevention Program, Maine DEP — Program page | Licensed contractors

Scope

Required for contractors performing permanent lead hazard abatement measures such as paint removal, enclosure, encapsulation, component replacement, and soil removal or covering. Abatement is defined as measures designed to permanently eliminate lead‑based paint hazards and lead hazards for at least 20 years.

Training and Personnel

  • Contractors and workers must complete approved training in lead abatement methods and health and safety; individual certifications are required for the professionals who perform this work.

Fees and Renewal

Licensing and renewal follow DEP Lead Program rules. DEP publishes current lists of licensed abatement contractors and professionals.

Contact the DEP Lead Program to confirm application fees, insurance requirements, and renewal training timelines before applying.

Application Process

  1. Identify the exact trade and license classification for your scope of work (electrician, plumber, boiler operator, elevator contractor or mechanic, fire sprinkler contractor, asbestos or lead abatement contractor) and review the official licensing page for eligibility and scope.
  2. Complete required education and training: board‑approved electrical or plumbing coursework, accredited technical/community college programs, registered apprenticeship, or DEP‑approved asbestos/lead training as applicable.
  3. Accumulate the minimum supervised experience required for the license (examples: 8,000 hours for journeyman electrician; 4,000 hours for journeyman plumber; six months under a Boiler Operator Training Permit; multi‑year elevator/lift experience).
  4. Submit the application through the appropriate Maine.gov portal with fees and supporting documents (education transcripts/certificates, Apprenticeship Agreements, affidavits of experience) and, when required, a criminal background check authorization and fee.
  5. Obtain board approval to schedule any required examination (electrician, plumber, high‑pressure boiler operator, elevator or lift mechanic) and achieve the posted passing score (commonly 70% for journeyman‑level exams; 80% for elevator/lift mechanics).
  6. File any post‑exam forms (e.g., upgrade requests, RMS designation for sprinkler contractors) to receive your initial license or registration.
  7. Maintain the credential: renew on schedule (most OPOR licenses are biennial; boiler operator is three years; elevator contractor/mechanic are annual; fire sprinkler contractor is biennial) and complete any required continuing education (e.g., 15‑hour NEC update for electricians).

Timeline: Many OPOR trade licenses (electricians, plumbers, boiler operators, elevator/lift mechanics) are issued within several weeks after the department receives a complete application and exam results. DEP asbestos and lead contractor licensing follows program‑specific review and project notification cycles; processing times vary by project needs and documentation completeness.

Reciprocity

Available for electricians: The Electricians’ Examining Board may issue reciprocal journeyman and master licenses to applicants licensed by a state or U.S. territory that has a reciprocity agreement with Maine and who have passed a written examination in the reciprocating state and have been actively engaged in electrical work for at least six years. Current reciprocal states include New Hampshire and Vermont.

Other trades: Reciprocity provisions are not universally published for plumbing, boiler operator, elevator, fire sprinkler, asbestos, or lead licensing. Confirm any cross‑state recognition directly with the relevant Maine program before applying.

Frequently Asked Questions

How long does it take to get a contractor license in Maine?

Processing time depends on the board/program and the completeness of your submission. Many OPOR trade licenses (electricians, plumbers, boiler operators, elevator/lift mechanics) are issued within several weeks after the department receives a complete application and your passing exam score. DEP asbestos and lead licenses follow program rules and project‑driven notifications, so timelines vary.

Can I transfer my license from another state to Maine?

For electricians, Maine offers reciprocity with New Hampshire and Vermont for qualified applicants who meet exam and experience requirements. For other trades, contact the relevant Maine program to determine whether any recognition pathway is available.

What happens if I fail the exam?

Retake procedures are set by each program. Electrician, plumber, and boiler operator candidates obtain board approval before (re)scheduling; elevator and lift mechanic exams are administered by PROV and follow PROV’s scheduling and fee policies. Review your program’s exam page for current retake and waiting‑period rules.

Do I need insurance?

Insurance requirements are not standardized across all Maine trade licenses. Some programs and many project owners require proof of liability and workers’ compensation coverage. Confirm insurance expectations with the licensing program and the permitting authority for each project.

How do I renew my license?

Renewal cycles vary by credential. Electricians renew every two years and must complete a 15‑hour NEC update; high‑pressure boiler operators renew every three years; elevator contractors and mechanics renew annually (August 31 expiration); fire sprinkler contractors renew every two years; DEP asbestos and lead credentials follow program rules. Always verify your renewal window and any CE in effect for your license.

What if my city has requirements beyond the state license?

Your state license authorizes the trade statewide, but local permits, plan reviews, and inspections still apply. Always coordinate with the city or town where the project is located to confirm permit applications, adopted code editions, and inspection scheduling.

Where can I find practice tests for Maine exams?

We offer comprehensive PDF study guides for Maine trade exams, typically with 1,500–2,500 questions, complete answer keys, and reference locators pointing to exact code sections. Study offline at your own pace; no time or use limits. Browse Maine contractor practice tests.

Maine · Practice tests

Maine contractor license practice tests

The Maine practice tests we publish today: comprehensive PDF guides, typically 1,500 to 2,500 questions each, with full answer keys and reference locators to the exact code sections. We add new tests regularly, so if your license isn’t listed here, contact us and we’ll build it.

Browse all Maine tests →

Related Official Resources

Official Sources for Further Details:

  1. Electricians’ Examining Board – Main Board Page
    https://www.maine.gov/pfr/professionallicensing/professions/electricians
    Official Board Site | Accessed: 2026-09-12
  2. Electricians’ Examining Board – Licensing Overview
    https://www.maine.gov/pfr/professionallicensing/professions/electricians/licensing
    Official Board Site | Accessed: 2026-09-12
  3. Apprentice Electrician Licensing
    https://www.maine.gov/pfr/professionallicensing/professions/electricians/licensing/apprentice-electrician
    Official Board Site | Accessed: 2026-09-12
  4. Journeyman Electrician Licensing
    http://www.maine.gov/pfr/professionallicensing/professions/electricians/licensing/journeyman-electrician-senior-journeyman-electrician
    Official Board Site | Accessed: 2026-09-12
  5. Master Electrician Licensing
    https://www.maine.gov/pfr/professionallicensing/professions/electricians/licensing/master-electrician-senior-master-electrician
    Official Board Site | Accessed: 2026-09-12
  6. Limited Electrician Licensing
    https://www.maine.gov/pfr/professionallicensing/professions/electricians/licensing/limited-electrician-senior-limited-electrician
    Official Board Site | Accessed: 2026-09-12
  7. Title 32 §1202‑B – Issuance and Scope of Electrician Licenses
    https://www.mainelegislature.org/legis/statutes/32/title32sec1202-B.html
    State Statute | Accessed: 2026-09-12
  8. Electrician Fact Sheet (Education and Experience)
    https://www.maine.gov/pfr/professionallicensing/sites/maine.gov.pfr.professionallicensing/files/inline-files/joint%20electrical.pdf
    Official Board Document | Accessed: 2026-09-12
  9. Journeyman‑in‑Training Electrician Licensing
    https://www.maine.gov/pfr/professionallicensing/professions/electricians/licensing/journeyman-in-training-electrician
    Official Board Site | Accessed: 2026-09-12
  10. Plumbers’ Examining Board – Individual Licenses
    https://www.maine.gov/pfr/professionallicensing/professions/plumbers-examining-board/licensing/individual-licenses
    Official Board Site | Accessed: 2026-09-12
  11. Plumbers’ Examining Board – Laws and Rules PDF
    https://www.maine.gov/pfr/professionallicensing/sites/maine.gov.pfr.professionallicensing/files/inline-files/Laws%20and%20Rules%202022.pdf
    Official Board Document | Accessed: 2026-09-12
  12. Title 32 §3501 – Issuance of Plumber Licenses
    https://www.mainelegislature.org/legis/statutes/32/title32sec3501.html
    State Statute | Accessed: 2026-09-12
  13. Journeyman‑in‑Training Plumbers FAQ
    https://www.maine.gov/pfr/professionallicensing/professions/plumbers-examining-board/frequently-asked-questions/journeyman-in-training
    Official Board FAQ | Accessed: 2026-09-12
  14. Journeyman Plumbers FAQ
    https://www.maine.gov/pfr/professionallicensing/professions/plumbers-examining-board/frequently-asked-questions/journeyman-plumbers
    Official Board FAQ | Accessed: 2026-09-12
  15. Boiler and Pressure Vessel Safety Program – Licensing
    http://www.maine.gov/pfr/professionallicensing/professions/boiler-pressure-vessel-safety-program/licensing
    Official Program Site | Accessed: 2026-09-12
  16. High Pressure Boiler Operator Licensing
    https://www.maine.gov/pfr/professionallicensing/professions/boiler-pressure-vessel-safety-program/licensing/high-pressure-boiler-operator
    Official Program Site | Accessed: 2026-09-12
  17. Boiler Operator Training Permit Licensing
    https://www.maine.gov/pfr/professionallicensing/professions/boiler-pressure-vessel-safety-program/licensing/boiler-operator-training-permit
    Official Program Site | Accessed: 2026-09-12
  18. Boiler Licensing FAQ
    https://www.maine.gov/pfr/professionallicensing/professions/boiler-pressure-vessel-safety-program/frequently-asked-questions/boiler-licensing
    Official Program FAQ | Accessed: 2026-09-12
  19. Title 32 §15109 – Stationary Steam Engineers and Boiler Operators
    https://legislature.maine.gov/statutes/32/title32sec15109.html
    State Statute | Accessed: 2026-09-12
  20. Elevator Contractor Licensing
    https://www.maine.gov/pfr/professionallicensing/professions/elevator-tramway-safety-program/licensing/elevator-contractor
    Official Program Site | Accessed: 2026-09-12
  21. Elevator Mechanic and Lift Mechanic Licensing
    https://www.maine.gov/pfr/professionallicensing/professions/elevator-tramway-safety-program/licensing/elevator-mechanic-lift-mechanic
    Official Program Site | Accessed: 2026-09-12
  22. Elevator and Tramway Safety Program – Licensing Overview
    https://www.maine.gov/pfr/professionallicensing/professions/elevator-tramway-safety-program/licensing
    Official Program Site | Accessed: 2026-09-12
  23. Elevator Mechanics FAQ – Examinations
    https://www.maine.gov/pfr/professionallicensing/professions/elevator-tramway-safety-program/frequently-asked-questions/elevator-mechanics
    Official Program FAQ | Accessed: 2026-09-12
  24. Fire Sprinklers – Office of State Fire Marshal
    https://www.maine.gov/dps/fmo/inspections-plans-review/sprinklers
    Official Program Site | Accessed: 2026-09-12
  25. Title 32 §1375 – Fire Sprinkler System Contractor Qualifications
    https://legislature.maine.gov/statutes/32/title32sec1375.html
    State Statute | Accessed: 2026-09-12
  26. DEP Asbestos Program – Main Page
    https://www.maine.gov/dep/waste/asbestos/index.html
    Official Department Site | Accessed: 2026-09-12
  27. Licensed Asbestos Abatement Contractors List
    https://www.maine.gov/dep/waste/asbestos/asbestoscontractors.html
    Official Department List | Accessed: 2026-09-12
  28. Hiring an Asbestos Abatement Contractor – DEP Guidance
    https://www.maine.gov/dep/waste/asbestos/hiringcontractor.html
    Official Department Guidance | Accessed: 2026-09-12
  29. DEP Asbestos Management Regulations – Chapter 425 (Rule Text)
    https://www.maine.gov/sos/sites/maine.gov.sos/files/content/assets/096c425.doc
    Official Rule Text | Accessed: 2026-09-12
  30. Title 38 Chapter 12‑A – Asbestos Abatement Activity Statute
    https://legislature.maine.gov/statutes/38/title38ch12-A.docx
    State Statute | Accessed: 2026-09-12
  31. Information for Realty Agents on Asbestos
    https://www.maine.gov/dep/waste/asbestos/realtors.html
    Official Department Guidance | Accessed: 2026-09-12
  32. Licensed Lead Abatement Contractors List
    https://www.maine.gov/dep/waste/lead/leadcontractors.html
    Official Department List | Accessed: 2026-09-12
  33. Lead Abatement Rule – Chapter 424 (Rule Text)
    https://www.maine.gov/sos/cec/rules/06/096/096c424.docx
    Official Rule Text | Accessed: 2026-09-12
  34. Maine Lead Professionals and Their Services
    https://www.maine.gov/dep/waste/lead/leadprof.html
    Official Department Guidance | Accessed: 2026-09-12
  35. Electricians’ Examining Board – Reciprocity Application
    https://www.maine.gov/pfr/professionallicensing/sites/maine.gov.pfr.professionallicensing/files/inline-files/MS-JY-Reciprocity-Application.pdf
    Official Board Document | Accessed: 2026-09-12

Important Disclaimer

Information Currency: This guide reflects licensing information available in 2026. Requirements can change without notice. Always verify current criteria, fees, and forms with the official sources linked above.

Official Source Contacts:

No Legal Advice: This guide provides general information only. Consult the licensing program or qualified counsel for guidance specific to your business and projects.

Permitting: State licenses authorize trade practice statewide, but building permits and inspections are issued by local jurisdictions. Always confirm permit requirements with the city or town where you will work.

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