permits.llc

Suffolk County, Massachusetts

Winthrop, MA Building Department and Permits

Building Department / Inspectional Services

Hours
Town Hall: Mon & Wed 8:00-4:30; Tue & Thu 8:00-7:00
Inspector of Buildings
Albert Legee, Commissioner of Inspectional Services

Verified 2026-09-16 against the official Winthrop website.

Do I need a permit in Winthrop, and who pulls it?

In Massachusetts, most permits are pulled by the licensed contractor doing the work, not the homeowner. For one- and two-family homes the state building code requires a licensed construction supervisor or a registered design professional to oversee construction, and for existing owner-occupied one- to four-family homes the contractor must also be registered with the Home Improvement Contractor program.

The homeowner exception is narrow. The building code lets an owner-occupant of a one- or two-family home apply for a building permit for work on their own home, but it applies to building permits only: electrical work may only be done by a master or journeyman electrician licensed by the state, and plumbing and gas work only by a licensed plumber or gas fitter, each under a permit issued to that licensee. It also has a cost the state warns about directly: a homeowner who pulls the building permit themselves may not be eligible for the Guaranty Fund if the contractor's work goes wrong.

Need a licensed contractor? See HVAC, roofing and other contractors serving Winthrop on Mass Home Comfort.

Sources: When is a Construction Supervisor License required?; Massachusetts State Building Code, 780 CMR; HIC Homeowner Resources; Electricians consumer fact sheet; Plumbers and gas fitters consumer fact sheet.

Heating and cooling in WinthropReplacing a furnace, boiler, water heater or central air conditioner, or installing a heat pump or ductless mini split, is licensed work in Massachusetts. Anything on the gas side, a gas furnace, boiler, water heater or range connection, is gas fitting, and the state issues gas-fitting permits only to a licensed plumber or gas fitter.Read more

The electrical side of a heat pump, mini split or AC condenser needs an electrical permit pulled by a licensed electrician. Your Winthrop building department may also require a mechanical permit for the equipment itself; the contractor pulls that too.

Heating and cooling installers are one of the trades mass.gov specifically exempts from Home Improvement Contractor registration, so do not expect an HIC number from an HVAC company. What you should expect is a gas-fitter or plumber licence for gas equipment and an electrician's licence for the wiring, with a permit on file for each.

If you are counting on a Mass Save rebate for a heat pump, the equipment must be installed by a contractor participating in the Mass Save Heat Pump Installer Network. A permit trail is part of how that work is documented, so an unlicensed, unpermitted install can cost you the rebate as well as the inspection.

Sources: Plumbers and gas fitters consumer fact sheet; Electricians consumer fact sheet; HIC Homeowner Resources; Air source heat pump rebates.

Full Massachusetts guide
Windows and doors in WinthropReplacing windows or exterior doors is not on the list of work the Massachusetts building code exempts from a permit, so plan on one. The code's own exemption for "ordinary repairs" does not cover anything that removes or changes a required means of egress, which is exactly what a bedroom window is, and changing the size of an opening is an alteration to the structure.Read more

Whether a strict like-for-like swap in the same opening counts as an ordinary repair is a call the Winthrop building department makes, so ask before assuming.

In an existing owner-occupied one- to four-family home, the contractor who replaces your windows or doors must be registered as a Home Improvement Contractor, and the state's guidance is that the registered contractor pulls the building permit. A written contract is required by law for any home improvement job over $1,000, and the contractor may not collect more than one-third of the price up front.

If Winthrop has a local historic district, exterior window and door changes there usually need the historic district commission's approval before the building permit issues. That is a town rule, not the state code, so check with the building department.

Sources: Massachusetts State Building Code, 780 CMR; HIC Homeowner Resources; When is a Construction Supervisor License required?.

Full Massachusetts guide
Roofing in WinthropRe-roofing and roof replacement are not among the projects the Massachusetts building code exempts from a permit, so in Winthrop treat a roof job as permitted work. Because the work touches the building's structure and weather envelope, it is overseen by a licensed construction supervisor, and on an existing owner-occupied one- to four-family home the roofing contractor must also hold Home Improvement Contractor registration.Read more

The state's guidance is that the registered contractor applies for the permit, not you.

The building code has specific requirements for roof coverings, underlayment and ice protection that the inspector checks against, and they depend on the roof type and the edition of the code in force. Rather than quote them here, ask the Winthrop building department what it inspects for on a re-roof; the contractor pulling the permit is expected to know.

Sources: Massachusetts State Building Code, 780 CMR; When is a Construction Supervisor License required?; HIC Homeowner Resources.

Full Massachusetts guide
Siding in WinthropResiding a house is not on the list of work the Massachusetts building code exempts from a permit, so in Winthrop plan on a building permit for siding replacement. The code's "ordinary repairs" exemption is meant for patching what is there, not stripping and recladding the envelope, and the Winthrop building department decides where that line falls; the contractor pulling the permit is expected to ask.Read more

On an existing owner-occupied one- to four-family home the siding contractor must be registered as a Home Improvement Contractor, and the state's guidance is that the registered contractor applies for the permit rather than the homeowner. A written contract is required by law for any home improvement job over $1,000, with no more than one-third of the price collected up front.

If Winthrop has a local historic district, a change of siding material or profile on a building inside it usually needs the historic district commission's approval before the building permit issues. That is a town rule, not the state code, so check with the building department.

Sources: Massachusetts State Building Code, 780 CMR; HIC Homeowner Resources; When is a Construction Supervisor License required?.

Full Massachusetts guide

Recent building permits in Winthrop

417 permits on file across 19 months. Records through July 30, 2026.

Last 90 days: 15 building, 8 gas, 2 demolition, 1 mechanical, 1 sheet metal.

Permits commonly pulled in Winthrop over the last twelve months: 100 building, 73 gas, 24 sheet metal, 20 mechanical and 19 demolition permits.

Most recent building permits filed in Winthrop, Massachusetts
FiledStreetType
Jul 30, 2026WOODSIDE AVEGas
Jul 30, 2026WOODSIDE AVEGas
Jul 30, 2026ELLIOT STBuilding
Jul 30, 2026COURT RDBuilding
Jul 29, 2026SHIRLEY STBuilding
Jul 28, 2026GROVERS AVEGas
Jul 28, 2026GROVERS AVEMechanical
Jul 28, 2026MARSHALL STBuilding
Jul 28, 2026PALMYRA STBuilding
Jul 28, 2026THORNTON PKGas
Jul 27, 2026WILLOW AVEGas
Jul 27, 2026TRIDENT AVEBuilding
Jul 27, 2026TRIDENT AVEBuilding
Jul 27, 2026MAIN STBuilding
Jul 25, 2026BEAL STGas
Jul 24, 2026AMELIA AVESheet Metal
Jul 23, 2026WOODSIDE AVEBuilding
Jul 23, 2026FREMONT STBuilding
Jul 23, 2026BROOKFIELD RDBuilding
Jul 22, 2026UNDINE AVEBuilding
Jul 22, 2026SOMERSET AVEDemolition
Jul 21, 2026READ STBuilding
Jul 21, 2026WILSHIRE AVEBuilding
Jul 21, 2026TRITON AVEGas
Jul 21, 2026PALMYRA STBuilding
Jul 21, 2026CLIFF AVEGas
Jul 20, 2026UNDINE AVEDemolition
Jul 16, 2026HIGHLAND AVEGas
Jul 15, 2026PLEASANT ST #408Gas
Jul 9, 2026TERRACE AVEGas
Jul 8, 2026READ STGas
Jul 7, 2026LINCOLN STGas
Jul 5, 2026READ STSheet Metal
Jul 2, 2026TRITON AVEBuilding
Jun 29, 2026SHIRLEY STBuilding
Jun 29, 2026DIX STGas
Jun 29, 2026WINTHROP STBuilding
Jun 29, 2026WINTHROP STBuilding
Jun 23, 2026SOMERSET AVEBuilding
Jun 19, 2026WASHINGTON AVESheet Metal
Jun 19, 2026WASHINGTON AVEMechanical
Jun 19, 2026EMERSON RDGas
Jun 18, 2026BELLEVUE AVEBuilding
Jun 18, 2026TAFTS AVEBuilding
Jun 15, 2026COTTAGE PK RDMechanical
Jun 15, 2026EMERSON RDGas
Jun 12, 2026BROOKFIELD RDBuilding
Jun 11, 2026QUINCY AVEGas
Jun 10, 2026W SHORE DRSheet Metal
Jun 10, 2026WILLOW AVEBuilding

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Before you plan work in Winthrop

Winthrop's Building Department and Inspectional Services, at Town Hall, 1 Metcalf Square, files its permits through OpenGov and posts its 2022 building permit fees, the town's fees by department, the rental property registration and inspection programme, the zoning map and the Center Business District zoning map, and MassDEP's handouts on the wetlands regulations' land subject to coastal storm flowage. Its FAQ covers the required height of guardrails and handrails. Town Hall is open Monday and Wednesday 8 to 4:30 and Tuesday and Thursday 8 to 7. Albert Legee is the Commissioner of Inspectional Services, Russ Sanford the Chief of Code Enforcement, Ilir Papa the Local Building Inspector and Dan Gray the Electrical Inspector.

Sources: Town of Winthrop — Building Department / Inspectional Services.

Towns near Winthrop

Frequently asked questions

Do I need a permit to replace my furnace, boiler or AC in Winthrop?

Yes. A gas furnace, boiler or water heater is gas-fitting work, and Massachusetts issues gas permits only to a licensed plumber or gas fitter. Central AC and heat pumps need an electrical permit pulled by a licensed electrician, and Winthrop may require a mechanical permit for the equipment. The licensed contractor pulls these permits.

Read the full Massachusetts guide
Do I need a permit to install a heat pump or mini split in Massachusetts?

Yes. The state's guidance is that a ductless mini split is regulated equipment and needs a building permit, and the wiring needs an electrical permit from a licensed electrician. A ducted system adds a sheet metal permit for the ductwork. If you want the Mass Save rebate, the system must also be installed by a contractor in the Mass Save Heat Pump Installer Network.

Read the full Massachusetts guide
Do I need a permit to replace windows in Massachusetts?

Plan on it. Window and door replacement is not on the building code's list of permit-exempt work, and anything that changes a bedroom egress window or the size of an opening is never exempt. Whether a same-size swap counts as an ordinary repair is the local building department's call. On an owner-occupied one- to four-family home the contractor must be a registered Home Improvement Contractor and should pull the permit.

Read the full Massachusetts guide
Do I need a permit to replace siding in Massachusetts?

Plan on it. Residing a house is not among the projects the Massachusetts building code exempts from a permit, and the "ordinary repairs" exemption covers patching, not recladding. On an owner-occupied one- to four-family home the contractor must be a registered Home Improvement Contractor and should pull the permit; the local building department settles borderline cases.

Read the full Massachusetts guide
Do I need a permit to replace my roof in Winthrop?

Yes. Re-roofing is not exempt under the Massachusetts building code, so Winthrop will expect a building permit, pulled by a licensed construction supervisor. On an owner-occupied one- to four-family home the roofer must also hold Home Improvement Contractor registration.

Read the full Massachusetts guide
How long is a building permit good for in Massachusetts?

Under 780 CMR 105.5, a permit becomes invalid if the work has not started within 180 days of issue, or if the work is suspended or abandoned for 180 days once begun; the building official can extend it in writing for up to 180 days at a time on a written request made before it expires. An application that is filed but not pursued is treated as abandoned after 180 days, with extensions of up to 90 days at a time.

Read the full Massachusetts guide
Are building permits public record, and how do I look one up for an address in Winthrop?

Yes, permits are public records. Winthrop uses OpenGov, linked at the top of this page, where you can search by address. The recent filings table on this page shows the same public data with the street, date and permit type.

Read the full Massachusetts guide
Can a homeowner pull their own permit?

Sometimes, and it is usually a mistake. The state building code lets the owner-occupant of a one- or two-family home apply for a building permit for their own home, but never for electrical, plumbing or gas work, which only the licensee may do under their own permit. Mass.gov also warns that a homeowner who pulls the building permit may lose eligibility for the Guaranty Fund if a registered contractor's work goes wrong. Let the contractor pull it.

Read the full Massachusetts guide
What happens if work is done without a permit?

The town can order the work stopped, opened up for inspection, corrected, or removed, and unpermitted work surfaces at sale when a buyer's attorney searches the permit history. For electrical work the state's own advice is to hire a licensed electrician to review it, pull a permit for it, and bring it up to code. It is far cheaper to permit it the first time.

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Permit data for your business

Every Winthrop permit above, with the contractor name, valuation, house number and work description, delivered daily by permit type and niche.

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