Hiring a contractor in Massachusetts without checking their credentials first is one of the most common - and costly - mistakes homeowners make. Recent investigations make that point hard to ignore. An NBC Connecticut Responds probe identified a contractor named "Jason" who allegedly took thousands of dollars from homeowners in Connecticut and Massachusetts for masonry, waterproofing, chimney, and foundation work, leaving behind damaged property and unanswered phone numbers. One Millbury, Massachusetts homeowner, Liz Pereira, put it plainly: "Don't believe the kindness. He's a manipulator, a liar."
And it is not just a New England problem. Washington State's Department of Labor and Industries recently suspended a contractor after more than 40 complaints and an investigation into over $1 million in alleged fraud. As L&I's chief of Contractor Compliance, Melissa McBride, said: "This is one of the most egregious cases I've seen involving a registered contractor. We want to prevent more people from potential harm."
The good news: Massachusetts gives you real tools to protect yourself before you hand over a single dollar. Here is how to use them.
The Two Licenses That Matter Most in Massachusetts
Massachusetts has two primary credentials you need to understand before hiring anyone to work on your home.
Home Improvement Contractor (HIC) Registration
Any contractor who performs residential remodeling, repair, or improvement work on an existing one-to-four family home must be registered as a Home Improvement Contractor (HIC) with the Office of Consumer Affairs and Business Regulation (OCABR). This covers the broadest category of work - think kitchen remodels, bathroom renovations, siding, roofing, and general repairs.
Key facts about HIC registration:
- The contractor must carry a registration number, which should appear on all contracts and advertising.
- Registration requires the contractor to participate in the Guaranty Fund, a state-administered fund that can compensate homeowners if a registered contractor fails to complete work or causes damage.
- Contracts for HIC work must be in writing and include specific disclosures. If a contractor skips a written contract, that is a red flag and a violation of state law.
- You can verify HIC registration through the OCABR's online license lookup.
Construction Supervisor License (CSL)
A Construction Supervisor License (CSL), issued by the Massachusetts Board of Building Regulations and Standards (BBRS), is required for anyone who supervises or directs the construction, reconstruction, alteration, or repair of any building that requires a permit. This is the license that covers structural work - foundations, framing, additions, and anything that touches the bones of your home.
Key facts about the CSL:
- The license holder must be on-site and actively supervising the work. A contractor cannot simply hand a CSL number to a crew and disappear.
- CSLs come in different categories (Unrestricted, 1 and 2 Family, Woodframe, and others), so the license type must match the scope of your project.
- You can verify a CSL through the state's license lookup portal.
Important distinction: A contractor can hold an HIC registration without a CSL, and vice versa. For most significant home improvement projects, you want both. A roofer replacing your roof needs an HIC registration. If that same job involves structural repairs to the roof deck or rafters, the supervisor needs a CSL too.
How to Actually Check the Licenses
Knowing the licenses exist is only half the job. Here is a step-by-step process to verify them before you sign anything.
- Ask the contractor directly. Request their HIC registration number and, if applicable, their CSL number in writing before the first meeting. A legitimate contractor will provide these without hesitation.
- Look them up on the state's website. Use the official license lookup tool. Confirm the name on the license matches the person or company you are hiring, the license is currently active (not expired or suspended), and the license type covers your project.
- Check for complaints and disciplinary actions. The lookup will also show whether the contractor has any formal complaints or actions on record. A single old complaint may not be disqualifying, but a pattern is a serious warning sign.
- Verify the permit. For any structural, electrical, plumbing, or HVAC work, your town or city building department must issue a permit. Ask the contractor who will pull the permit - it should be them, not you. If a contractor suggests you pull the permit yourself to save money, walk away. That shifts liability onto you and is a common tactic used by unlicensed operators.
- Confirm insurance and bonding. Ask for a certificate of insurance showing general liability coverage and workers' compensation. Call the insurer directly to confirm the policy is active. The Washington State case is instructive here: Construction Kings had its bond cancelled and its insurance expire, leaving homeowners with no financial backstop after paying out a combined $1.19 million, according to KIRO 7.
Red Flags That Should Stop You Cold
License checks are necessary but not sufficient. Scammers sometimes operate briefly under valid registrations before complaints catch up with them, and others use fake or borrowed license numbers. Watch for these warning signs alongside your verification steps.
- Door-to-door solicitation, especially after a storm. As Illinois Attorney General Kwame Raoul warned recently, "Be wary of any individual who solicits home repair or insurance adjusting services door to door." Storm chasers follow damage events and pressure homeowners into fast decisions.
- Unusually low bids. The Washington State contractor allegedly won jobs with low bids, then did little or no work. A bid that seems too good to be true usually is.
- Demands for large upfront payments. Gulf Coast officials warned flooding victims that demanding large payments before work begins is one of the clearest scam signals. A reasonable deposit is normal; paying in full before a nail is driven is not.
- Pressure to sign quickly. Richmond Police, warning residents after recent flooding, specifically flagged pressure to quickly sign electronic documents as a scam tactic. Legitimate contractors give you time to review a contract.
- No written contract. Massachusetts law requires written contracts for HIC work. Any contractor who resists putting terms in writing is either uninformed or hiding something.
- Multiple company names, limited history. The NBC Connecticut investigation found that the contractor "Jason" was tied to at least five different company names. Homeland Security Investigations noted a rising pattern of fraud groups in New England that "reinvent themselves" and move between states. Search the owner's name, not just the company name.
What Your Contract Must Include
Once you have verified credentials and chosen a contractor, the written contract is your primary legal protection. Under Massachusetts HIC law, a valid contract must include:
- The contractor's full name, address, and HIC registration number.
- A detailed description of the work to be performed and the materials to be used.
- The total price and a payment schedule tied to project milestones, not arbitrary dates.
- The estimated start and completion dates.
- A notice of your three-day right to cancel (for contracts signed at your home).
- The contractor's insurance information.
Never sign a contract with blank spaces. Richmond Police made this point explicitly in their recent flood-scam advisory: get contract terms in writing with no blanks and withhold full payment until the work is completed and inspected.
Using Directories and Reviews the Right Way
Online reviews are useful but easy to game. A contractor with 50 five-star reviews from the past two months and no older history deserves scrutiny. Look for reviews that describe specific projects, mention the contractor by name, and include both praise and minor criticism - that pattern tends to reflect real customers.
For a faster starting point, Tavlee is a contractor directory that verifies licenses against the Massachusetts state registry before listing a pro. That means the basic credential check is already done, and you can focus your energy on evaluating fit, getting multiple estimates, and reading reviews critically rather than hunting down registration numbers yourself.
That said, no directory replaces your own verification. Always confirm the license is still active at the time you hire, because registrations can lapse or be suspended after a directory listing is created.
If Something Goes Wrong
If you have already paid a contractor who has disappeared or done substandard work, you have options in Massachusetts:
- File a complaint with OCABR. If the contractor is HIC-registered, you may be eligible for a claim against the Guaranty Fund.
- Contact the Attorney General's Office. The AG's consumer protection division handles contractor fraud complaints.
- File a police report. Especially if the contractor took money and did no work, this may constitute criminal fraud. The Washington State case shows that police reports and court judgments can eventually force regulatory action.
- Report to the Better Business Bureau and online review platforms. This helps warn other homeowners.
The Bottom Line
Verifying a Massachusetts contractor's license takes about fifteen minutes and can save you tens of thousands of dollars. Check the HIC registration and CSL on the state's website, confirm the permit process, get a written contract with no blanks, and never pay in full before the work is done and inspected. The pattern in recent contractor fraud cases - from New England to Washington State to the Gulf Coast - is consistent: victims trusted charm and low prices over credentials. The verification steps exist precisely to give you something more reliable than a good first impression.

