Massachusetts Contractor Licensing

Trade-by-trade licensing requirements for Massachusetts, sourced directly from the state regulatory board and verified by the CLR Editorial Review Desk. We currently publish 14 published trade guides, with direct links to each underlying board, statute, or candidate bulletin.

Published guides: 14
Exam-backed: 13
Bond-backed: 0
Local / municipal: 3
Avg initial fee: $173

How licensing works in Massachusetts

Massachusetts is not a one-size-fits-all licensing market. Across the 14 guides currently live on this state hub, 13 require a formal trade examination and 0 require a surety bond before the credential can issue. 3 of the published entries rely on city, county, or municipal registration rather than a single statewide credential, so contractors need to confirm the local building department or business-license office before bidding work.

The point of this state page is to give you a fast read on the regulatory model before you dive into a specific trade. Start with the trades grid below if you already know your specialty. If you are comparing jurisdictions, use the cost calculator for first-year cost and the reciprocity matrix for license portability.

Main boards and agencies

Massachusetts Office of Public Safety and Inspections — Board of Building Regulations and Standards

OPSI administers the Construction Supervisor License (CSL) program under the Board of Building Regulations and Standards, enforces the Massachusetts State Building Code, and conducts disciplinary hearings for licensed construction supervisors.
Open agency site
Massachusetts Board of State Examiners of Electricians

The Board of State Examiners of Electricians licenses Journeyman (Class B), Master (Class A), and specialty electricians, administers the trade examinations in-house, and enforces the Massachusetts Electrical Code.
Open agency site
Massachusetts Board of State Examiners of Plumbers and Gas Fitters

The Board licenses Journeyman, Master, and apprentice plumbers and gas fitters, administers trade examinations, and enforces the Massachusetts State Plumbing Code (248 CMR), which Massachusetts uses in place of the IPC or UPC.
Open agency site
Massachusetts Board of Examiners of Sheet Metal Workers

The Board licenses Journeyperson and Master Sheet Metal Workers who fabricate and install ductwork, HVAC sheet metal, and related systems. Most HVAC contractors in Massachusetts hold a Sheet Metal license alongside federal EPA 608 refrigerant certification.
Open agency site
Office of Consumer Affairs and Business Regulation — Home Improvement Contractor Program

OCABR administers Home Improvement Contractor (HIC) registration, the residential-contractor credential that covers in-ground pool construction on owner-occupied one-to-four-unit homes. Massachusetts issues no pool-specific construction license, and pool construction is expressly exempt from the Construction Supervisor License requirement, so no CSL is needed to build pools. Local building permits under the Massachusetts State Building Code still govern the actual construction.
Open agency site
Board of Registration of Home Inspectors

State board within the Division of Occupational Licensure (DOL) that licenses and regulates home inspectors and associate home inspectors, sets training, examination, and insurance standards, and administers renewals and discipline.
Open agency site

Licensed trades

Compare Massachusetts against other states

Every trade above also has a national comparison hub showing how Massachusetts's exam, bond, fee, and experience requirements stack up against the other 50 jurisdictions.

Best starting points in Massachusetts

Budget

Estimate first-year cost

Compare filing fees, bond premiums, insurance assumptions, and renewal cost before you apply.

Mobility

Check reciprocity pathways

See whether this state accepts NASCLA or uses bilateral reciprocity for the trade you hold now.

Research

Search related guides

Jump directly to linked state and trade pages if you are comparing multiple jurisdictions side by side.