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Massachusetts License Classes

Massachusetts licenses five credential families: the individual Construction Supervisors License (eight classes under 780 CMR), the Home Improvement Contractor registration, the individual plumber / gas fitter / LP installer licences, the electrician and systems licences and the business-side plumbing business licence. There is no general-contractor classification and no credential keyed to a dollar value.

Verified 2026-10-0520 classifications15 scope assertionsIndexation gate: passed

01 Construction supervisor — OPSI / Board of Building Regulations and Standards (780 CMR)

CSL-SPEC-DEMOLITION
Specialty CSL — Demolition

Demolition only — for buildings under 35,000 cu ft, one- and two-family dwellings with accessories, agricultural buildings, and walls less than 10 ft (footing base to wall top).

CSL-SPEC-WINDOW-SIDING
Specialty CSL — Windows, Doors and Siding

Construction, reconstruction, alteration, repair or removal of doors, windows and siding, including repair and replacement of damaged window or door framing under 4 ft wide and up to 25% of sheathing — for buildings under 35,000 cu ft, one- and two-family dwellings with accessories, and agricultural buildings.

CSL-SPEC-INSULATION
Specialty CSL — Insulation

Installation of insulation including repair and replacement of sheathing and siding — for buildings under 35,000 cu ft, one- and two-family dwellings with accessories, and agricultural buildings.

CSL-SPEC-SOLID-FUEL
Specialty CSL — Solid Fuel-Burning Appliance

Installation of solid fuel burning appliances. 'Does not allow work on any structural elements including sheathing. Inlet or exhaust elements required for installation may be exceptions.' Buildings under 35,000 cu ft, one- and two-family dwellings with accessories, agricultural buildings.

CSL-UNRESTRICTED
Construction Supervisor License — Unrestricted

'Unrestricted Construction Supervisor is responsible for directly supervising persons (including self) who are engaged in construction, reconstruction, alteration, repair, removal, or demolition involving any activity regulated by the Code for: buildings containing less than 35,000 cubic feet of enclosed space, one- and two-family dwellings or any accessory buildings thereto, irrespective of size, buildings used for farm purposes, and retaining walls less than 10 feet in height at all points along the wall as measured from the base of the footing to the top of the wall.'

780 CMR (Massachusetts State Building Code); M.G.L. c. 143 S-MA-CSL-HANDBOOK
CSL-RESTRICTED
Construction Supervisor License — Restricted / One- and Two-Family Dwellings

'Restricted Construction Supervisor is responsible for directly supervising persons (including self) who are engaged in the construction, reconstruction, alteration, repair, removal, or demolition involving any activity regulated by the Code for any one- and two-family dwelling and accessory buildings thereto, irrespective of size.' mass.gov's license-types page carries the same scope under the heading 'CSL One and two family dwellings' (one and two family dwellings with any additional accessory).

780 CMR; M.G.L. c. 143 S-MA-CSL-HANDBOOK
CSL-SPEC-MASONRY
Specialty CSL — Masonry

Construction, reconstruction, alteration, repair, removal or demolition of masonry structures that require a permit, for buildings of any use containing less than 35,000 cubic feet, one- and two-family dwellings with accessories, agricultural buildings, and walls less than 10 ft. The handbook adds: 'A masonry license is not sufficient for the construction of masonry buildings. Supervision of such work would require possession of at least a restricted construction supervisor license, dependent upon the scope of work.'

CSL-SPEC-ROOF
Specialty CSL — Roof Covering

Construction, reconstruction, alteration, repair or removal of roof covering, including repair, replacement of 25% sheathing and 25% of sistering roof rafters — for buildings under 35,000 cu ft, one- and two-family dwellings with accessories, and agricultural buildings. The handbook adds: 'A Roof Covering Construction Supervisor is not authorized to work on or supervise work relating to the structural elements of a roof, including sheathing.'

02 Home improvement contractor — Office of Consumer Affairs and Business Regulation (c. 142A)

HIC-REGISTRATION
Home Improvement Contractor Registration (HIC)

'Contractors, subcontractors, partnerships, or corporations that solicit, bid on, or perform contracting work in Massachusetts on an existing, owner-occupied residential property with one to four units, must be registered as a Home Improvement Contractor (HIC).' §9: 'No contractor or subcontractor shall undertake, offer to undertake, or agree to perform residential contracting services unless registered therefor with the approval of the office of consumer affairs and business regulation.'

M.G.L. c. 142A §9; §11 S-MA-HIC-REG

03 Plumber / gas fitter / LP installer — Board of State Examiners of Plumbers and Gas Fitters (248 CMR)

MASTER-PLUMBER
Master Plumber

The highest plumbing license issued by the Board of State Examiners of Plumbers and Gas Fitters. Applicants apply online through eLIPSE (mailed applications are returned) and pay an application fee of $31 plus a $78 license fee when they pass. A master plumber's statement of experience signs off journeyman applicants' experience.

M.G.L. c. 142; 248 CMR S-MA-PL-APPLY-MASTER
JOURNEYMAN-PLUMBER
Journeyman Plumber

Applications must be completed online through eLIPSE and must upload an Education Verification Form signed by an official at the applicant's school, a Statement of Experience Form signed by the supervising master plumber (the Employer's Statement section cannot be modified after signature), a 2x2 passport-style photo and the CORI acknowledgement (second page notarized). Application fee $31; license fee $52 paid at the test center after passing.

M.G.L. c. 142; 248 CMR S-MA-PL-APPLY
APPRENTICE-PLUMBER
Apprentice Plumber (registration)

The board 'Registers apprentice plumbers and gas fitters' — an apprentice registration puts the trainee on the board's roster while training under a licensed plumber/gas fitter. Renewal fee $40 (apprentice plumber renewal, eLIPSE).

M.G.L. c. 142; 248 CMR S-MA-PL-BOARD
MASTER-GAS-FITTER
Master Gas Fitter

The highest gas-fitting license issued by the board — gas fitting is licensed SEPARATELY from plumbing in Massachusetts. Application fee $31; license fee $97.

M.G.L. c. 142; 248 CMR S-MA-GF-APPLY-MASTER
JOURNEYMAN-GAS-FITTER
Journeyman Gas Fitter

Gas-fitting work under a supervising master gas fitter: the application requires a Statement of Experience form signed by the supervising master gas fitter and is submitted online through eLIPSE. Application fee $31; license fee $52.

M.G.L. c. 142; 248 CMR S-MA-GF-APPLY
LP-INSTALLER
Liquified Petroleum Gas Installer

An individual license for installing undiluted liquefied petroleum gas installations, issued by the same board and renewed with 6 hours of approved continuing education. Renewal fee $66 ($52 for a limited LP installer).

M.G.L. c. 142; 248 CMR S-MA-PL-RENEW

04 Electrician / systems — Board of State Examiners of Electricians (237 CMR)

MASTER-ELECTRICIAN
Master Electrician

The business-holding electrical license. Application fee $66 and license fee $155, plus PSI examination fees of $135 for both portions ($80 trade, $55 business/practical). Renewal $117; licenses expire July 31 on a three-year cycle with 21 hours of continuing education (237 CMR 17.01 — 15 hours mandatory).

M.G.L. c. 141; 237 CMR 13.00 S-MA-ELEC-APPLY
JOURNEYMAN-ELECTRICIAN
Journeyman Electrician

Application fee $31 and license fee $104, plus the PSI examination ($135 total for both portions: $80 trade + $55 business/practical). Renewal $78; expires July 31 on a three-year cycle with 21 hours of CE.

M.G.L. c. 141; 237 CMR 13.00 S-MA-ELEC-APPLY
SYSTEMS-TECHNICIAN
Systems Technician

The low-voltage/side path on the same board: 'Journeyman & Systems Technician Fee Information — Application Fee: $31 … License Fee: $104', renewed at $78 on the same July 31 three-year cycle.

M.G.L. c. 141; 237 CMR S-MA-ELEC-APPLY
SYSTEMS-CONTRACTOR
Systems Contractor

The business-holding systems credential: 'Master Electrician & Systems Contractor Fee Information — Application Fee: $66 … License Fee: $155', renewed at $117 on the same July 31 three-year cycle.

M.G.L. c. 141; 237 CMR S-MA-ELEC-APPLY

05 Plumbing business — corporation or partnership (248 CMR)

PLUMBING-BUSINESS
Plumbing Business License (corporation or partnership)

The board 'Issues corporate and partnership' plumbing licenses — the business-side credential a plumbing company holds alongside its individual master/journeyman licenses. License fee $225; corporation or partnership renewal $225.

M.G.L. c. 142; 248 CMR S-MA-PL-BIZ

06 Scope assertions

  • SCOPE-MA-CSL-UNRESTRICTED — E_officially_included may_perform directly supervise code regulated work on buildings under 35000 cu ft 1 2 family agricultural and walls under 10 ft S-MA-CSL-HANDBOOK
  • SCOPE-MA-CSL-RESTRICTED — E_officially_included may_perform directly supervise code regulated work on any one or two family dwelling and accessories irrespective of size S-MA-CSL-HANDBOOK
  • SCOPE-MA-CSL-ROOF-COVERING — A_officially_excluded may_not_perform supervise structural elements of a roof including sheathing S-MA-CSL-HANDBOOK
  • SCOPE-MA-CSL-MASONRY — B_requires_other_class may_not_perform construct masonry buildings requires at least a restricted csl S-MA-CSL-HANDBOOK
  • SCOPE-MA-CSL-WINDOW-SIDING — E_officially_included may_perform install alter repair or remove doors windows and siding plus limited framing repair S-MA-CSL-TYPES
  • SCOPE-MA-CSL-INSULATION — E_officially_included may_perform install insulation including repair and replacement of sheathing and siding S-MA-CSL-TYPES
  • SCOPE-MA-CSL-SOLID-FUEL — A_officially_excluded may_not_perform work on any structural elements including sheathing S-MA-CSL-TYPES
  • SCOPE-MA-CSL-DEMOLITION — E_officially_included may_perform demolition only under a building permit S-MA-CSL-TYPES
  • SCOPE-MA-HIC-CONTRACT — E_officially_included may_perform solicit bid on or perform contracting work on existing owner occupied 1 to 4 unit property S-MA-HIC-REG
  • SCOPE-MA-HIC-FENCING-FLOORING-EXCLUDED — A_officially_excluded may_not_perform fencing or flooring work without an hic registration per the official chart S-MA-HIC-RES
  • SCOPE-MA-MASTER-GAS-FITTER — E_officially_included may_perform perform gas fitting work under the board gas fitter licensing track S-MA-GF-APPLY-MASTER
  • SCOPE-MA-JOURNEYMAN-PLUMBER — E_officially_included may_perform plumbing work documented by an education verification and a statement of experience signed by the supervising master S-MA-PL-APPLY
  • SCOPE-MA-PLUMBING-BUSINESS — E_officially_included may_perform hold the corporate or partnership plumbing business credential S-MA-PL-BIZ
  • SCOPE-MA-MASTER-ELECTRICIAN — E_officially_included may_perform electrical and systems work under the board license with 21 hours of ce per three year cycle S-MA-ELEC-APPLY
  • SCOPE-MA-SYSTEMS-TECHNICIAN — E_officially_included may_perform systems technician work on the same board with journeyman level fees S-MA-ELEC-APPLY

07 Sources

S-MA-142A-7statute
Massachusetts General Court — General Laws (malegislature.gov)
M.G.L. c. 142A §7 — Claims against the fund; award limitations
https://malegislature.gov/Laws/GeneralLaws/PartI/TitleXX/Chapter142A/Section7
verified 2026-10-05retrieved 2026-10-05
S-MA-CSL-APPLYboard page
Office of Public Safety and Inspections (OPSI), Division of Occupational Licensure — including the Board of Building Regulations and Standards (BBRS)
Apply for a Construction Supervisor License (experience, PSI, score report)
https://www.mass.gov/how-to/apply-for-a-construction-supervisor-license
verified 2026-10-05retrieved 2026-10-05
S-MA-CSL-CEboard page
Office of Public Safety and Inspections (OPSI), Division of Occupational Licensure — including the Board of Building Regulations and Standards (BBRS)
Continuing education for construction supervisors (hours by class)
https://www.mass.gov/info-details/continuing-education-for-construction-supervisors
verified 2026-10-05retrieved 2026-10-05
S-MA-CSL-HANDBOOKpublication
Office of Public Safety and Inspections (OPSI), Division of Occupational Licensure — including the Board of Building Regulations and Standards (BBRS)
CSL Candidate Handbook (PSI/BBRS) — February 2026 edition
https://www.mass.gov/doc/csl-candidate-handbook/download
verified 2026-10-05retrieved 2026-10-05
S-MA-CSL-RENEWfee schedule
Office of Public Safety and Inspections (OPSI), Division of Occupational Licensure — including the Board of Building Regulations and Standards (BBRS)
Renew your Construction Supervisor License (CSL) — fees and grace periods
https://www.mass.gov/how-to/renew-your-construction-supervisor-license-csl
verified 2026-10-05retrieved 2026-10-05
S-MA-CSL-TYPESboard page
Office of Public Safety and Inspections (OPSI), Division of Occupational Licensure — including the Board of Building Regulations and Standards (BBRS)
Learn about different Construction Supervisor Licenses (class scopes)
https://www.mass.gov/info-details/learn-about-different-construction-supervisor-licenses
verified 2026-10-05retrieved 2026-10-05
S-MA-CSL-WHENboard page
Office of Public Safety and Inspections (OPSI), Division of Occupational Licensure — including the Board of Building Regulations and Standards (BBRS)
When is a Construction Supervisor License required? (the threshold model)
https://www.mass.gov/info-details/when-is-a-construction-supervisor-license-required
verified 2026-10-05retrieved 2026-10-05
S-MA-ELEC-APPLYfee schedule
Board of State Examiners of Electricians
Apply for an individual electrical or systems license — fees + PSI exam
https://www.mass.gov/how-to/apply-for-an-individual-electrical-or-systems-license
verified 2026-10-05retrieved 2026-10-05
S-MA-ELEC-RENEWfee schedule
Board of State Examiners of Electricians
Renew your electrician, systems technician, or systems contractor license
https://www.mass.gov/how-to/renew-your-electrician-systems-technician-or-systems-contractor-license
verified 2026-10-05retrieved 2026-10-05
S-MA-GF-APPLYfee schedule
Board of State Examiners of Plumbers and Gas Fitters
Apply for a Journeyman Gas Fitter license — application $31, license $52
https://www.mass.gov/how-to/apply-for-a-journeyman-gas-fitter-license
verified 2026-10-05retrieved 2026-10-05
S-MA-GF-APPLY-MASTERfee schedule
Board of State Examiners of Plumbers and Gas Fitters
Apply for a Master Gas Fitter license — application $31, license $97
https://www.mass.gov/how-to/apply-for-a-master-gas-fitter-license
verified 2026-10-05retrieved 2026-10-05
S-MA-HIC-CONTRACTpublication
Office of Consumer Affairs and Business Regulation (OCABR) — Home Improvement Contractor Program
Home Improvement Contract Requirements, Details, and Sample Language
https://www.mass.gov/info-details/home-improvement-contract-sample-language
verified 2026-10-05retrieved 2026-10-05
S-MA-HIC-REGfee schedule
Office of Consumer Affairs and Business Regulation (OCABR) — Home Improvement Contractor Program
HIC Registration and Renewal — $150 registration, Guaranty Fund tiers, $100 renewal
https://www.mass.gov/info-details/home-improvement-contractor-registration-and-renewal
verified 2026-10-05retrieved 2026-10-05
S-MA-HIC-RESfaq
Office of Consumer Affairs and Business Regulation (OCABR) — Home Improvement Contractor Program
HIC Contractor Resources — 'What work requires an HIC, CSL, or building permit?' chart
https://www.mass.gov/info-details/hic-contractor-resources
verified 2026-10-05retrieved 2026-10-05
S-MA-PL-APPLYfee schedule
Board of State Examiners of Plumbers and Gas Fitters
Apply for a Journeyman Plumber license — application $31, license $52
https://www.mass.gov/how-to/apply-for-a-journeyman-plumber-license
verified 2026-10-05retrieved 2026-10-05
S-MA-PL-APPLY-MASTERfee schedule
Board of State Examiners of Plumbers and Gas Fitters
Apply for a Master Plumber license — application $31, license $78
https://www.mass.gov/how-to/apply-for-a-master-plumber-license
verified 2026-10-05retrieved 2026-10-05
S-MA-PL-BIZfee schedule
Board of State Examiners of Plumbers and Gas Fitters
Apply for a plumbing business license — license fee $225
https://www.mass.gov/how-to/apply-for-a-plumbing-business-license
verified 2026-10-05retrieved 2026-10-05
S-MA-PL-BOARDboard page
Board of State Examiners of Plumbers and Gas Fitters
Board of State Examiners of Plumbers and Gas Fitters — overview
https://www.mass.gov/orgs/board-of-state-examiners-of-plumbers-and-gas-fitters
verified 2026-10-05retrieved 2026-10-05
S-MA-PL-RENEWfee schedule
Board of State Examiners of Plumbers and Gas Fitters
Renew a plumber, gas fitter, or liquified petroleum installer license — fees + CE
https://www.mass.gov/how-to/renew-a-plumber-gas-fitter-or-liquified-petroleum-installer-license
verified 2026-10-05retrieved 2026-10-05
S-MA-WCboard page
Department of Industrial Accidents (DIA) — workers' compensation
Workers' Compensation Insurance Requirements (Department of Industrial Accidents)
https://www.mass.gov/info-details/workers-compensation-insurance-requirements
verified 2026-10-05retrieved 2026-10-05