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The permit process, for homeowners

You are about to hire someone to do work on the largest thing you own, under rules you have never had a reason to learn. This page is the version I'd give a friend — what happens in what order, who is on the hook for what, and the handful of decisions where people quietly lose real money.

Last updated 7 September 2026 · Massachusetts · free to read, free to share

The whole thing, in order

Stripped of jargon, a permitted project runs like this.

  1. Zoning first. Before anything, the question is whether what you want is allowed there — setbacks, height, lot coverage, use. This is your town's business, not the state's, and it's the step people skip. A building official can approve your framing while the zoning officer tells you the structure can't go where you drew it.
  2. The application. Someone files it: you, or your contractor as your authorized agent. It carries the plans, a plot plan, the construction supervisor's licence number, and a workers' compensation affidavit.
  3. Review. The building department checks the plans against the code. Other departments may need to sign off first — Board of Health if you're on septic, Conservation if there's wetland nearby, the historical commission if the building is old enough.
  4. Issuance. The permit is issued and gets posted on site. Work can start.
  5. Inspections, in sequence. Each one has to happen before the next stage covers it up. This is where schedules die.
  6. Closeout. Final inspection, then the certificate that says the space may be occupied.

The gap nobody warns you about is between steps 1 and 2. No town hands you a single document listing everything your project needs and the order to do it in. You assemble that yourself from four departments who each assume you already spoke to the others.

The work that needs no building permit at all

There is a real written list (780 CMR 51.00 R105.2). For a house, it includes:

  • A one-story detached shed, playhouse or similar 200 square feet or less
  • Fences not over seven feet high
  • Retaining walls not over four feet, measured from the bottom of the footing
  • Sidewalks and driveways
  • Painting, papering, tiling, carpeting, cabinets and countertops
  • Swings and playground equipment
  • Prefabricated pools less than 24 inches deep
The deck exemption has four conditions and almost no real deck meets all four. It must be 200 square feet or less, and no more than 30 inches above grade at any point, and not attached to the house, and not serving a required exit door. All four at once. A deck bolted to the back of the house, or one you step onto from the back door, needs a permit no matter how small. In practice the exemption describes a low freestanding platform out in the yard.

And note what being exempt does not buy you: 780 CMR 105.2 says in its opening sentence that other permits may still be required — electrical, plumbing, gas. Running power out to an exempt shed still needs a wiring permit.

"Ordinary repairs" is narrower than people think. It covers maintenance that doesn't touch structure, egress, fire protection, fire ratings, energy conservation, or any utility. Replacing a rotted stair tread or a broken window sash in the same opening is a repair. Taking out a wall to open up a kitchen, cutting a new door opening, sistering a beam, or moving a stairway is not — whatever you call it.

Should you pull the permit yourself?

This is the most valuable section on this page, so here is the direct answer: usually no, and if your contractor asks you to, treat it as a warning.

Massachusetts does let you. 780 CMR 110.R5 exempts a homeowner from construction supervisor licensing on their own one- or two-family home. But the rule is explicit about what comes with it: if you hire people to do the work, you act as the supervisor. Towns make you sign an affidavit saying so.

Here is what you give up.

The Guaranty Fund. Massachusetts runs a fund under the Home Improvement Contractor law (M.G.L. c.142A §5) that can reimburse a homeowner for losses caused by a registered contractor — up to $25,000 per claim. One of the eligibility conditions on the state's own list is that the contractor, not the homeowner, secured the building permit. Pull it yourself and you are presumptively out. There is a narrow exception, but you should not plan around it.

Your position if it goes wrong. As the supervisor of record you're the one the building department looks to. The tradespeople you hired are, on paper, working under your supervision.

So when a contractor says "it's faster if you pull it" or "my licence is tied up," what's usually happening is that they can't pull it — unregistered, unlicensed, or avoiding a record — and the cost of that lands on you.

If your contractor pulls itIf you pull it
Supervisor of recordThemYou
Guaranty Fund eligibilityPreservedPresumptively lost
Who the building department callsThemYou
Signals about the contractorNormalAsk why

The legitimate case for pulling your own is genuine DIY — you are doing the work, on your own home, and hiring nobody. That's what the exemption was written for.

Who is responsible for what

YouYour contractor
Deciding what gets built
Zoning compliance for your propertyshares it
Pulling the building permit✓ (normally)
Trade permits (electric, plumbing, gas)✓ — pulled by the licensed trades themselves
Paying municipal fees
Calling for inspections✓ (the permit holder's duty)
Providing access for inspections
Leaving work exposed until inspected
Getting the certificate at the endshares it

You cannot pull the electrical, plumbing or gas permits, and neither can a general contractor. Under 248 CMR 3.05 those are issued to properly licensed individuals only.

Checking your contractor — two credentials, and they are not the same

This confuses nearly everyone, and it's the cheapest fifteen minutes of protection available.

Construction Supervisor Licence (CSL) — the licence to supervise the structural work. Issued by the state's Office of Public Safety and Inspections. Verify it at madpl.mylicense.com/Verification.

Home Improvement Contractor (HIC) registration — a registration, not a licence, under M.G.L. c.142A. It's what makes the Guaranty Fund and the c.142A arbitration program available to you. Registration costs $150 plus a one-time Guaranty Fund payment that scales with headcount.

A contractor can hold one and not the other. You generally want both. But note that some trades are legitimately exempt from HIC registration — M.G.L. c.142A §14 exempts contractors working exclusively in landscaping, interior painting or wall covering, among others — so "not found" in that lookup isn't automatically a red flag. Ask.

An out-of-state credential has no standing to supervise permitted work here.

The contract, and what a deposit can legally be

M.G.L. c.142A sets real limits, and a violation isn't just a technicality: §17 provides that violating any provision of the chapter is an unfair or deceptive act under Chapter 93A.

  • A deposit above one-third of the total contract price is more than the law allows, unless special-order materials require it. A request for 50% down on a job with no special-order materials is more than §2 permits. Ask what the extra is for, and ask to see it itemized.
  • The contract must be in writing and carry the contractor's registration number.
  • You have three business days to cancel if you signed in your home or anywhere other than the contractor's normal place of business — which covers most kitchen-table signings. The contract has to tell you so.

The state says these rights may not be waived, even by agreement. If a contractor's form purports to waive them, that's worth a conversation before you sign, not after.

Inspections: the order, and what a failure actually costs

Under 780 CMR R110.5, it's the permit holder's duty to notify the building official when work is ready, and to provide access. Under R110.6, work must not proceed past an inspection stage until that inspection is approved.

That second rule is the money one. Insulation and drywall going up before the framing, rough plumbing, rough electrical and fire-stopping inspections is the most common way a homeowner pays twice — because the fix is opening the wall back up.

Re-inspection fees are set by your town, not the state, so ask for the fee schedule rather than assuming a number. The fee is almost never the real cost. The real cost is the idle crew day and the trades you now have to re-sequence.

Your job during inspections is small but real: make sure someone can get in, and do not let anyone cover work that hasn't been signed off. If you're not on site, ask your contractor to text you a photo of each signed inspection card as it happens. It takes them ten seconds and it's the only running record you'll have.

You've found unpermitted work

This is the highest-stakes situation on this page, and the order matters.

First: get your own file before you talk to anyone about it. Massachusetts building permit records are public under the Public Records Law (M.G.L. c.66 §10). Request your property's permit history from the building department in writing. You want to know what's actually on record before you volunteer anything, because you may find the work was permitted and simply never closed out — which is a much smaller problem.

Then: work out which problem you have. An open permit (pulled, never closed) is a paperwork problem. Unpermitted work (never pulled at all) is a different one. They get fixed differently.

Get the zoning answer in writing. If the work also violates zoning — not just code — that's the harder problem, and a written determination from the zoning enforcement officer is what preserves your appeal rights. A conversation at the counter does not.

What an after-the-fact permit involves. Towns generally will let you legalise work retroactively, though this is largely local practice rather than a statewide entitlement. Expect to document what was built, and expect the question of concealed work: whether you open walls for inspection or whether an engineer's letter will satisfy the building official. Many towns charge a penalty or double fee. Ask what yours does before you file.

If you're buying a house that has it: you inherit the enforcement exposure, not the seller's relationship with their contractor. The building department can require an after-the-fact permit from you, and verifying concealed work is your cost. This is a negotiate-before-closing item, not an after item.

If your contractor walks off

Two things matter, and neither is the argument you're having.

The permit has a clock. A Massachusetts building permit lapses if work isn't commenced or is abandoned for a defined period. If you're in a dispute that's dragging, that clock is running in the background.

Ask for an extension in writing, before it expires. An extension requested before lapse is an ordinary administrative step. Reviving a dead permit is not. This one phone call, made early, saves more grief than almost anything else here.

Can someone else take over? The permit runs with the property and the work, and building departments do handle contractor changes — but the process is local and the new supervisor's licence information has to go on file. Call the building department and ask what they need. Do not assume the permit dies with the relationship, and do not assume it transfers automatically either.

Don't fix it by pulling the permit yourself without understanding the Guaranty Fund consequence above. That's the move people make under pressure that closes off their best remedy.

How to ask your building department

Half of what makes this process hard is not knowing who answers what. Roughly:

  • Building Commissioner / Inspector of Buildings — the code questions. Is this assembly compliant, what does the application need.
  • Zoning Enforcement Officer — the where questions. Setbacks, use, whether this needs a variance. Often the same person, wearing a different hat.
  • Board of Health — septic, wells, Title 5. On a septic property they may be your critical path.
  • Conservation Commission — anything near wetland.
  • Wiring, plumbing and gas inspectors — their own trades, their own permits.

Questions worth asking, phrased so you can say them:

  • "Is this property in a local historic district, and does the town have a demolition delay bylaw?"
  • "What does a complete application for this project include? Is there a checklist?"
  • "Which other departments need to sign off before you'll issue?"
  • "What's your current review time, realistically?"
  • "Can I get that zoning determination in writing?"

That last one matters more than it sounds. A written determination starts your appeal clock and creates a record. A counter conversation does neither. If an answer is load-bearing for your budget, ask for it in writing.

The most common ways homeowners lose money here

  1. Paying a deposit above what the law allows, then having no leverage.
  2. Hiring an unregistered contractor, which forecloses the Guaranty Fund before anything goes wrong.
  3. Pulling their own permit to save a week, and giving up the same protection.
  4. Letting work get covered before inspection, and paying to open it back up.
  5. Finding out about zoning after the design is paid for. Design money spent is not a hardship argument — one Boston ordinance says so in writing, and the principle holds everywhere.
  6. Buying a house with unpermitted work and treating it as the seller's problem. At closing it becomes yours.

Wondering what your own lot allows?

This page is the process. The question it can't answer is the one about your property — what your zoning district permits, what your setbacks and septic allow, and which rules your town actually applies. That's the ADU Feasibility Report: every rule quoted to its bylaw section, delivered as a web page you can share with your builder, $497 flat.

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I'm not an attorney, not an engineer, and not a licensed inspector, and nothing on this page is legal advice. It's a plain-English reading of the rules as they stood on the date above, written by someone who files this paperwork for a living. Codes change, towns differ, and the person at your counter has the final say. Where something here matters to your money, confirm it with your building department or your attorney.

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