Massachusetts Contractor Licenses: Updated Requirements Guide

Massachusetts regulates most contractor activities at the state level through dedicated boards that define qualifications, administer examinations, and issue licenses. Electricians are credentialed by the Board of State Examiners of Electricians, plumbers and gas fitters by the Board of State Examiners of Plumbers and Gas Fitters, and building supervisors by the Board of Building Regulations and Standards (BBRS) through the Construction Supervisor License program. Exams are administered by designated third-party vendors: PSI for electrical and Prometric for construction supervisor licenses.

Licensing in Massachusetts is designed to align hands-on trade experience with code knowledge and verified training. In practice, that means documenting education from board-approved programs, recording work experience within a recent time window, and passing a trade-specific exam when required. This guide spotlights several common licenses and authorities to help you get oriented; we update it periodically.

Use the sections below to jump straight to your trade. Each license entry summarizes who regulates it, the core eligibility path, exam logistics, and any known continuing education requirements. Where specific items such as fees or insurance are not detailed on the state pages provided here, contact the appropriate board before applying to ensure you meet all current requirements.

Overview of Massachusetts Contractor Licensing

Massachusetts relies on state-level boards for most trade licensing. The Board of State Examiners of Electricians regulates the full electrical pathway, including A (Master) and B (Journeyman) electricians, as well as fire warning and security systems C (Contractor) and D (Technician) licenses. Electrical examinations are administered through PSI, following eligibility review by the Board.

Plumbing and gas fitting are regulated by the Board of State Examiners of Plumbers and Gas Fitters. License and registration types include apprenticeships, journeyman and master plumber and gas fitter credentials, specialized liquified petroleum (LP) gas installer licenses (full and limited), and a gas fitting business license. The Board conducts examinations and sets education and experience thresholds for each credential.

For general building work that requires supervision under the state building code, the Board of Building Regulations and Standards (BBRS) issues Construction Supervisor Licenses (CSL): Unrestricted, Restricted (one- and two-family dwellings), and Specialty. CSL exams are administered by Prometric. Candidates document recent construction or design experience and, once licensed, complete continuing education hours per renewal cycle (12 hours for Unrestricted, 10 for Restricted, and 6 for Specialty).

Primary Licensing Authority

Multiple Authorities – See research notes

🌐 https://www.mass.gov/orgs/board-of-state-examiners-of-electricians
📞 617-701-8895

Browse all Massachusetts contractor license practice tests →

Electrician Licenses in Massachusetts

Massachusetts regulates electrical work with 4 license types. The Board of State Examiners of Electricians defines the pathway from classroom instruction through supervised work experience and examination. Electrical and systems exams are delivered by PSI once the Board determines eligibility, and applications are submitted through Mass.gov.

Master Electrician (A)

Regulatory authority

Board of State Examiners of Electricians — Official Board site

Eligibility

Complete a Board-approved electrical education program as outlined in Board guidance for individual electrical and systems licenses.
Meet the required work experience and any code-specific continuing education prior to examination.

Examination

Exam required; vendor: PSI.
Applicants submit an online application to PSI after Board approval and then schedule a Board-approved exam covering the Massachusetts electrical code and related practices.

How to apply

Start with the Mass.gov application portal for individual electrical or systems licenses: Apply online.

Reference: Electricians Consumer Fact Sheet

Contact the Board to confirm application fees, insurance minimums, age eligibility, and renewal cycle details before applying.

Journeyman Electrician (B)

Regulatory authority

Board of State Examiners of Electricians — Official Board site

Eligibility

Complete a Board-approved electrical education program.
Accumulate Board-specified employment hours as an apprentice or equivalent experience before sitting for the exam.

Examination

Exam required; vendor: PSI.
Online application to PSI; exam covers Massachusetts electrical code and installation practices.

How to apply

Use the Board’s licensing overview and the online application portal to prepare and submit your credentials: Licensing Overview | Apply online

Reference: Board Licensing Page

Confirm current fees, insurance requirements, age eligibility, and renewal cycle with the Board before applying.

Fire Warning and Security System Contractor (C)

Regulatory authority

Board of State Examiners of Electricians — Official Board site

Eligibility

Meet Board-specified experience in fire warning and security system installation and design.
Complete Board-approved systems-related education, including any required code coursework.

Examination

Exam required; vendor: PSI.
Focuses on codes and installation standards for fire warning and security systems.

How to apply

Begin with the electrical/systems license application portal and Board guidance: Apply online.

Reference: Electricians Consumer Fact Sheet

Verify fees, insurance requirements, age eligibility, and renewal cycle with the Board prior to application.

Fire Warning and Security System Technician (D)

Regulatory authority

Board of State Examiners of Electricians — Official Board site

Eligibility

Complete the Board-required education for systems technicians.
Gain the work experience defined by the Board for technician-level applicants.

Examination

Exam required; vendor: PSI.
Exam emphasizes installation requirements and applicable codes for fire warning and security systems.

How to apply

Apply through the Mass.gov portal for individual electrical and systems licenses following Board instructions: Apply online.

Reference: Electricians Consumer Fact Sheet

Contact the Board to confirm application fees, insurance minimums, age eligibility, and renewal details before applying.

Plumbing Licenses in Massachusetts

Massachusetts regulates plumbing and gas fitting with 9 license and registration types. The Board of State Examiners of Plumbers and Gas Fitters oversees apprenticeships; journeyman and master plumbers and gas fitters; liquified petroleum gas installer licenses (LP and Limited LP); and a gas fitting business license. Examinations are held by the Board; verify current exam logistics and scheduling during the application process.

Apprentice Plumber

Regulatory authority

Board of State Examiners of Plumbers and Gas Fitters — Official Board site

Registration requirements

Register with the Board and work under the supervision of a licensed journeyman or master plumber.
Meet any education or training requirements specified by the Board for apprentice registration, typically through approved plumbing programs.

Requirements

Designate appropriately licensed gas fitters and comply with Board business-licensing requirements.

Fees

Application: $225
Initial License: $225

How to apply

Submit your application using the Board’s instructions: Apply for a Gas Fitting Business License.

Confirm insurance requirements and renewal cycle with the Board before applying.

HVAC Licenses in Massachusetts

Massachusetts does not publish a distinct, standalone statewide “HVAC contractor” license through the authorities listed in this guide. HVAC scopes often intersect with existing credentials: electrical licenses may be required for controls and wiring; plumbing and gas fitting licenses cover gas piping; and building permits for equipment change-outs and structural or mechanical alterations are typically supervised by a Construction Supervisor License (CSL) holder under the state building code.

Action steps for HVAC work

Verify whether your HVAC project includes electrical wiring or controls (consult the Board of State Examiners of Electricians).
Confirm whether gas piping is involved (consult the Board of State Examiners of Plumbers and Gas Fitters).
Determine whether the scope requires supervision by a Construction Supervisor License holder (consult the BBRS resources under 780 CMR 110.R5 / R5).
For refrigerant handling, maintain federal EPA Section 608 certification where applicable.

Primary resources: Electricians Board | Plumbers & Gas Fitters Board | Board of Building Regulations and Standards

General Contractor Licenses in Massachusetts

Massachusetts general building supervision is licensed through the Construction Supervisor License (CSL) program administered by the Board of Building Regulations and Standards (BBRS). There are three classifications: Unrestricted, Restricted (one- and two-family dwellings), and Specialty. All CSL examinations are administered by Prometric following BBRS application review, and continuing education (CE) is required each renewal cycle based on classification.

Unrestricted Construction Supervisor License

Regulatory authority

Board of Building Regulations and Standards — Official BBRS site

Eligibility

At least three years of building construction or design experience completed within the ten-year period prior to application.
Certain vocational high school or other vocational programs may satisfy up to one year of the three-year experience requirement.

Examination

Exam required; vendor: Prometric.
Exam tests knowledge of the Massachusetts building code and general construction practices; held by appointment at Prometric centers.

Continuing education

12 hours of approved coursework per renewal cycle.

How to apply

Follow BBRS instructions and submit your application; upon approval, schedule with Prometric: Applying for a New Construction Supervisor License.

Contact BBRS to confirm application fees, insurance minimums, age eligibility, and renewal cycle specifics before applying.

Restricted Construction Supervisor License (One- and Two-family Dwellings)

Regulatory authority

Board of Building Regulations and Standards — Official BBRS site

Eligibility

At least three years of experience related to one- and two-family dwelling construction or design within the ten-year period prior to application.
Vocational or other approved construction education may substitute for a portion of the required experience.

Examination

Exam required; vendor: Prometric.
Exam content focuses on codes and practices for one- and two-family dwellings.

Continuing education

10 hours of approved coursework per renewal cycle.

How to apply

Review the licensing requirements in 780 CMR 110.R5 and submit your application to BBRS; then schedule your Prometric exam: 780 CMR 110.R5 Licensing of Construction Supervisors.

Confirm application fees, insurance minimums, age eligibility, and renewal cycle with BBRS prior to applying.

Specialty Construction Supervisor License

Regulatory authority

Board of Building Regulations and Standards — Official BBRS site

Eligibility

At least three years of experience in the chosen specialty (e.g., masonry, roofing, windows/siding, demolition, burning fuel, or insulation) within ten years prior to application, with possible education-based experience substitution per BBRS regulations.

Examination

Exam required; vendor: Prometric.
Exam emphasizes building code and practices specific to the specialty areas identified in 780 CMR 110.R5 / R5.

Continuing education

6 hours of Board-approved coursework per renewal cycle.

How to apply

Consult BBRS guidance and submit your application; after approval, schedule with Prometric: 780 CMR R5 Construction Supervisors.

Confirm application fees, insurance minimums, age eligibility, and renewal cycle with BBRS before applying.

Roofing Licenses in Massachusetts

Massachusetts does not list a separate statewide “roofer” contractor license through the sources referenced here. Roofing work that requires a building permit is typically supervised by a Construction Supervisor License (CSL) holder, and BBRS offers a Specialty CSL classification that includes roofing among its defined specialties. Businesses should also ensure they meet any permit, code-compliance, and supervision requirements for each roofing project.

For details on the Specialty CSL route and supervision requirements under the state building code, review BBRS regulations: 780 CMR R5 Construction Supervisors.

Specialty Trade Licenses in Massachusetts

Several Massachusetts credentials apply to specialty work even when a distinct “specialty contractor” license category is not published for every trade. Notably, BBRS issues Specialty Construction Supervisor Licenses for areas including masonry, roofing, windows/siding, demolition, burning fuel, and insulation. Supervisors holding these CSL classifications are responsible for compliance with the building code within their specialty scope.

Additionally, the electrical board licenses Fire Warning and Security System Contractors (C) and Technicians (D), covering system design, installation, and maintenance within the bounds set by the Board and the state electrical code. For niches adjacent to plumbing and gas fitting—such as LP gas installation—Massachusetts issues specialized installer licenses (full and limited) through the Plumbers and Gas Fitters Board.

When your specialty overlaps multiple codes (e.g., electrical plus structural, or gas plus ventilation), confirm whether you need more than one Massachusetts credential and which license must supervise the permitted work. Start with the board most closely aligned to the dominant code for your scope, then coordinate with the local building department on permitting procedures and inspections.

Application Process

Determine the appropriate trade license type (electrician, plumbing/gas fitting, or construction supervisor) and classification (apprentice, journeyman, master, or specialty) based on Board descriptions. [3][6][9][13]
Complete required education at Board-approved schools or vocational programs and accumulate the necessary work experience documented by tax records or attestation letters. [4][6][10][11][14][15]
Submit the license or exam application using Mass.gov online forms or through the Division of Occupational Licensure’s welcome center kiosks, following instructions for each license type. [4][11][14][15]
For licenses requiring examinations, register with the designated exam vendor (PSI for electrical and Prometric for construction supervisors) after Board approval and schedule the exam. [10][11][14][15]
After passing the exam, submit score reports and any additional documentation to the appropriate Board for license issuance and maintain licensure through required continuing education and renewals. [6][10][11][13][14][15]

Timeline: From initial application to license issuance, the process commonly spans several weeks to a few months, accounting for Board review, exam scheduling, and post-exam processing. [10][11][14][15]

Documentation tips: For experience verification, assemble W-2s, IRS Schedule C, or 1099 forms and any required notarized attestation letters. Keep transcripts, completion certificates, and course outlines from Board-approved programs ready to upload. Maintain copies of photo ID and any prior license verifications requested by your Board.

Frequently Asked Questions

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

Most candidates can expect several weeks to a few months, depending on how quickly eligibility is established, exam appointments are available (PSI or Prometric), and post-exam processing is completed. [10][11][14][15]

Can I transfer my license from another state to Massachusetts?

The boards referenced here do not describe formal reciprocity agreements for these licenses. Plan to meet Massachusetts education, experience, and examination requirements for the credential you seek. Confirm any recognition of out-of-state credentials directly with the appropriate Board. [6][9][10][13][14][15]

Who administers the exams?

Electrical and systems exams are administered by PSI; Construction Supervisor License exams are administered by Prometric. Plumbing and gas fitting examinations are conducted by the Board of State Examiners of Plumbers and Gas Fitters. [4][10][11][14][15]

What happens if I fail the exam?

Retake policies are set by the licensing board in coordination with the exam vendor. Review the relevant Board’s instructions and the PSI or Prometric candidate information to understand waiting periods, rescheduling, and any additional fees.

Do I need insurance?

Insurance requirements vary by license type and business structure. Confirm whether your license requires proof of liability, workers’ compensation, or other coverage during application and renewal with the appropriate Board and your permitting authority.

How do I renew my license?

Follow the renewal instructions posted by your Board. CSL holders complete continuing education each cycle (12 hours Unrestricted; 10 hours Restricted; 6 hours Specialty). For electricians and plumbers/gas fitters, confirm renewal timeframes and any CE specifics with the respective Board. [10][11][13]

How is HVAC work covered if there isn’t a single HVAC license listed here?

HVAC scopes typically combine multiple regulated activities (electrical, gas fitting, and building code supervision). Determine which licenses apply to your project and coordinate permitting through the local building department. Maintain federal EPA Section 608 certification for refrigerant handling when applicable.

What if my city’s permitting process differs from what’s shown here?

Local building departments administer permits and inspections and can set submittal standards beyond state licensing. Always verify permit application procedures, required documents, and inspection milestones with the city or town where work will occur.

Where can I find practice tests for Massachusetts exams?

We offer comprehensive PDF practice tests for Massachusetts contractor license exams. Each guide typically contains 1,500 to 2,500 code-relevant questions with precise answer keys and reference locators pointing to exact code sections. Study offline at your own pace; no time or use limits. Browse Massachusetts contractor practice tests.

Massachusetts · Practice tests

Massachusetts contractor license practice tests

The Massachusetts 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 Massachusetts tests →

Related Official Resources

Official Sources for Further Details:

Board of State Examiners of Electricians
https://www.mass.gov/orgs/board-of-state-examiners-of-electricians
Official Board Site | Accessed: 2026-09-14
Electricians Consumer Fact Sheet
https://www.mass.gov/info-details/electricians-consumer-fact-sheet
Consumer Fact Sheet | Accessed: 2026-09-14
Board of State Examiners of Electricians Licensing
https://www.mass.gov/board-of-state-examiners-of-electricians-licensing
Licensing Overview | Accessed: 2026-09-14
Apply for an Individual Electrical or Systems License
https://www.mass.gov/how-to/apply-for-an-individual-electrical-or-systems-license
Application/Exam Info | Accessed: 2026-09-14
Board of State Examiners of Plumbers and Gas Fitters
https://www.mass.gov/orgs/board-of-state-examiners-of-plumbers-and-gas-fitters
Official Board Site | Accessed: 2026-09-14
Plumbers and Gas Fitters Consumer Fact Sheet
https://www.mass.gov/info-details/plumbers-and-gas-fitters-consumer-fact-sheet
Consumer Fact Sheet | Accessed: 2026-09-14
Apply for an Apprentice Plumber License
https://www.mass.gov/how-to/apply-for-an-apprentice-plumber-license
Application Instructions | Accessed: 2026-09-14
Apply for a Gas Fitting Business License
https://www.mass.gov/how-to/apply-for-a-gas-fitting-business-license
Application Instructions | Accessed: 2026-09-14
Request a Verification of Your License, Certificate or Exam – Plumbers, Gasfitters and LP Installers
https://www.mass.gov/how-to/request-a-verification-of-your-license-certificate-or-exam-plumbers-gasfitters-and-lp-installers
Verification Instructions | Accessed: 2026-09-14
State Board of Examiners of Plumbers and Gasfitters
https://boards.mass.gov/detail/160533/state-board-of-examiners-of-plumbers-and-gasfitters
Board Details | Accessed: 2026-09-14
780 CMR 110.R5 Licensing of Construction Supervisors
https://www.mass.gov/doc/10th-edition-chapter-110r5-licensing-of-construction-supervisors/download
State Statute/Regulation | Accessed: 2026-09-14
Applying for a New Construction Supervisor License
https://www.mass.gov/doc/applying-for-a-new-construction-supervisor-license/download
Application/Exam Info | Accessed: 2026-09-14
780 CMR R5 Construction Supervisors
https://www.mass.gov/doc/780-cmr-r5-construction-supervisors/download
State Statute/Regulation | Accessed: 2026-09-14
PSI Exams
https://www.psiexams.com
Exam Provider | Accessed: 2026-09-14
Prometric
https://www.prometric.com
Exam Provider | Accessed: 2026-09-14
Board of State Examiners of Electricians – Meetings and Members
https://www.mass.gov/board-of-state-examiners-of-electricians-meetings-and-members
Board Information | Accessed: 2026-09-14
State Board of Examiners of Electricians
https://boards.mass.gov/detail/160532/state-board-of-examiners-of-electricians
Board Details | Accessed: 2026-09-14

Important Disclaimer

Information Currency: This guide reflects licensing information as available in 2026. Licensing requirements are subject to change without notice. Always verify current requirements with official sources.

Official Source: For current information, contact Multiple Authorities – See research notes:

Website: https://www.mass.gov/orgs/board-of-state-examiners-of-electricians
Phone: 617-701-8895

No Legal Advice: This guide provides general information only. Consult the licensing board or a qualified professional for guidance specific to your situation.