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True Trade Path

MA · Reviewed 2026-10-06

Massachusetts licensing for homeowners

Board lookups, licence classes, contract rules, and the verification routine — sourced to state law and official registries.

State
Massachusetts
Boards listed
3
Licence classes
3

Verify with the board — last reviewed 2026-10-06

Licensing rules change and cities add requirements on top of state law. Use this page as orientation; the lookup links below are the authoritative check before you sign a contract.

Who must be licensed in Massachusetts

Massachusetts layers several licensing systems: home improvement contractors must register with the Office of Consumer Affairs and Business Regulation (OCABR), construction supervisors hold Construction Supervisor Licenses (CSL) issued by the Board of Building Regulations and Standards for code compliance on many building projects, and electricians, plumbers, and gas fitters are licensed through the Division of Professional Licensure. There is no single ‘general contractor licence’ name, but pulling permits on structural work without the right CSL and trade credentials is not allowed. Boston and other cities add local licensing. Homeowners in the Bay State should verify HIC registration for the business relationship and separate trade licences for wiring, piping, and gas.

Licensing boards and lookups

State licensing authorities for Massachusetts
AuthorityScopeLookup
MA Office of Consumer Affairs — Home Improvement Contractor Registration
617-973-8787
Registration for contractors performing home improvement.Verify licence →
MA Division of Professional Licensure — Check a licence
617-727-3074
Electricians, plumbers, gas fitters, and other licensed trades.Verify licence →
Board of Building Regulations and Standards — CSL
617-727-3200
Construction Supervisor License for building code compliance.Verify licence →

Licence classes and what they authorize

  • HIC — Registered home improvement contractor

    Home improvement contracting subject to M.G.L. c. 142A and guaranty fund rules.

  • CSL — Construction Supervisor License

    Supervising construction to meet state building code requirements on applicable projects.

  • Master electrician / plumber / gas — Trade licences (DPL)

    Electrical, plumbing, or gas fitting work under Massachusetts codes.

Verify a licence in about two minutes

  1. For remodeling contracts, search the HIC registration database for the contractor’s registration number.
  2. For wiring, piping, or gas, use the DPL licence check with the individual or company trade licence number.
  3. Ask who holds the Construction Supervisor License on your permit — many towns list the CSL holder on the application.
  4. Confirm each record shows active status and matches the legal name on your contract.
  5. Contact the local building department (Boston ISD, suburban town hall) for permit-specific supervisor requirements.
Contractor hiring checklist

Insurance and bond minimums

Registered home improvement contractors participate in the guaranty fund and must maintain insurance required by OCABR rules. Trade licences carry their own insurance expectations. Historic homes and lead paint jobs add EPA RRP certification on top of state licences.

Who issues permits

Municipal building departments enforce the Massachusetts State Building Code with ninth edition amendments. Boston, Cambridge, and Worcester each run their own inspection staff. State licences do not replace local permits.

Homeowner permits — can you pull one, and should you

Owner-occupiers may obtain permits in many towns for their own single-family work if they sign affidavits. Electrical, plumbing, and gas work require licensed trades. Pre-1978 homes trigger lead-safe renovation rules when paint is disturbed.

Deposits, cancellation rights, and liens

Deposit rules
Home improvement law limits deposits to one-third of the contract price or one-third of any progress payment, with required contract language and arbitration notices. These rules are stricter than many states and are enforced through registration discipline.
Rescission / cooling-off
Home improvement contracts signed away from the contractor’s permanent place of business include cancellation rights when proper notices are delivered under c. 142A.
Mechanic's lien timeline
Massachusetts General Laws chapter 254 governs mechanics liens, with notice to owner requirements and strict filing windows from completion or last furnishing. Condominium projects add complexity — owners should involve counsel on large liens.

Contracts must be dated, signed, and include the HIC registration number to access guaranty fund protection.

Where to file a complaint

File HIC registration complaints with OCABR. Trade complaints go to the Division of Professional Licensure. The Attorney General handles consumer protection. Local inspectors enforce code violations.

File a complaint with the state →

If you hire someone unlicensed

Unregistered home improvement contracting forfeits guaranty fund access and may void contract protections. Unlicensed gas or electrical work creates immediate safety risk and insurance denial. Chapter 254 liens can still cloud title when subs comply with notice rules.

Which trades need a licence here

Trade licensing status in Massachusetts
TradeStatusNotes
ElectricianState licenceDivision of Professional Licensure trade licence.
PlumberState licenceDivision of Professional Licensure trade licence.
HVAC / refrigerationState licenceDivision of Professional Licensure trade licence.
General contractor / remodelerState licenceHIC registration plus Construction Supervisor License where local code requires supervision.
RooferVariesMay be a dedicated roofing licence, a general building classification, or local registration only.
Carpenter / handymanNo individual licenceNo individual trade licence in most states; scope limits and contractor registration still apply to the business pulling permits.

Reciprocity

Massachusetts does not broadly reciprocate HIC registration or CSL credentials. Trade licences require Massachusetts exams or board review of out-of-state credentials on a case-by-case basis.

Cities and counties with an extra layer

Boston Inspectional Services, Cambridge, and coastal towns add gas licensing overlays, historic commission review, and strict energy stretch code requirements. Cape Cod and islands have seasonal contractor surges — verify registration, not just referrals.

Related guides

Trade hubs

Cost guides

Metro pages

For contractors — getting and renewing a licence

Register for HIC before contracting, obtain CSL if you supervise permitted building work, and licence trades through DPL. Include registration numbers in ads and contracts. Complete continuing education to keep CSL and trade licences active.

Trade-owner resources →

Common questions — Massachusetts

Does Massachusetts require home improvement contractor registration?
Yes. Contractors performing home improvement must register with the Office of Consumer Affairs and Business Regulation under M.G.L. c. 142A. Registration connects you to required contract language, deposit limits, and the guaranty fund if the contractor disappears mid-job. Always verify the registration number before you sign.
What is a Construction Supervisor License in Massachusetts?
A CSL authorizes supervision of construction to meet the state building code on projects that require a supervisor under local rules. It is not a substitute for trade licences for electrical, plumbing, or gas work, but permit officials often expect a named CSL on larger renovations. Ask your building department whether your scope requires one.
How do I verify a Massachusetts electrician or plumber?
Use the Division of Professional Licensure licence check with the licence number. Confirm active status and the correct trade. Gas fitting is separately licensed — do not assume a plumber’s licence covers all gas appliances without checking endorsements.
What deposit can a Massachusetts home improvement contractor collect?
State law limits deposits to one-third of the contract price and one-third of progress payments, among other requirements. Contracts must include specific consumer notices. If a contractor demands half up front, that is a regulatory red flag as well as a financial risk.
Who issues building permits in Massachusetts?
City and town building departments issue permits and inspect under the state building code. Boston has its own inspectional services department with distinct forms. Suburban towns may outsource inspections to regional agencies.
What are Massachusetts mechanic’s lien rules?
Chapter 254 requires certain notices to owners and strict deadlines to record liens. Subcontractors who miss deadlines lose rights; owners who ignore notices may pay twice. Keep a project file with all lien-related mail and consult an attorney before paying final balances when notices are outstanding.
Can I pull my own permit in Massachusetts?
Many towns grant owner-builder permits for your own home if you accept code responsibility. Licensed trades must still perform regulated work, and lead-safe practices apply in pre-1978 housing. Resale disclosures may ask who pulled permits and who performed trade work.
What is the Massachusetts Home Improvement Guaranty Fund?
Registered contractors contribute to a fund that can compensate eligible homeowners when a registered contractor fails to complete work or refund deposits under certain conditions. You must have used a registered contractor and a compliant contract to be eligible — another reason to verify HIC registration first.

Sources

Content reviewed 2026-10-06. Statutes and board URLs were checked at publication; confirm current text on the official site before relying on it in a dispute.