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Typical Greater Boston range for this kind of work, from regional averages — not a quote from Pinsonneault Builders. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$23,000 – $35,000
Typical remodeling project around $29,000
Pinsonneault Builders is a general contractor and custom home builder based in East Falmouth, MA, run since 1993 by co-founders Leon Pinsonneault and Michael Lahart. The company self-reports 20 years in business, an OSHA-certified crew, and Home Builders Association membership, and serves Falmouth, Bourne, Cotuit, Mashpee, Osterville and Sandwich. Homeowners writing on Google and Houzz between 2022 and 2025 consistently praise custom builds and whole-house teardown-and-rebuild projects. A 2025 review describes a waterfront custom home built to Fortified Gold tornado-shelter standard using Insulated Concrete Forms, and a 2023 review describes a full office renovation — new HVAC, hardwood floors, replaced windows and doors, and custom entrance doors — called seamless. Two Cape Cod LIFE features (2013, 2018) and a New England Home feature (2016) independently profile builder Michael Lahart's craftsmanship and custom built-in work on high-end Cape homes. One detailed 2023 Houzz review is a clear outlier: the reviewer says Leon didn't meet with them as promised, cites frequent change orders that weren't discussed, and describes a roof that leaked afterward and was never fixed. That review alone pulls Houzz's own average to 3.0 from 2 ratings, well below Google's 4.7 from 15 — worth asking about directly, especially the firm's change-order process, before committing to a large renovation. A good fit for a homeowner planning a full custom build or whole-house renovation who wants a small, hands-on, in-house crew; worth confirming the current license and getting the change-order process in writing given the one detailed complaint.
“Three craftsmen and designers would take starring roles in the rebuild of the family’s Nesting Way aery: Michael “Mick” Lahart of Pinsonneault Builders in East Falmouth; Dave Johnson of Skaala Architecture in Camden, ME; and Laura Urban of Urban Design Interiors in Harwich Port. Lahart and Johnson worked closely with the family in the initial, rebuilding phases of the renovation, while Urban began her collaboration later on. She would spend over four years with the owners to complete room by room, space by space, the home’s ideal interior. Though the physical renovation came to completion in 2”
“Built-ins are sprinkled liberally throughout the home. From the kids’ bunks to the living room, the study to the guesthouse, the architect and designer found ways to maximize space and functionality. Builder Michael Lahart, of Pinsonneault Builders, lent his expertise to the design as well as the fabrication of all those useful touches. “Mick took advantage of every square inch of the house,” says the wife. “He’d suggest bookcases wherever there were empty spaces.” ... Architecture: John Dvorsack, John Dvorsack Architect Interior design: Dee Elms, Terrat Elms Interior Design Builder: Michael L”
“The couple called master builders Michael Lahart and Leon Pinsonneault of Pinsonneault Construction to discuss how to showcase their house.”
It’s Summer 2025 and we want to thank Pinsonneault Builders for completing our new waterfront luxury custom home -- the quality craftsmanship is impeccable! Pinsonneault Builders, serving as General Contractor, supplemented their in-house crew by assembling and leading a well-orchestrated team of first-rate attentive subcontractors. This was a tricky build, with lots of specialty features. The energy efficient house qualifies as a tornado shelter (rated Fortified Gold, first in Massachusetts to earn such distinction) thanks to an advanced technique known as Insulated Concrete Forms in conjunction with a strong-tied reinforced roofing system and coastal-impact-rated windows and doors. The finishes inside and out are high-end low-maintenance/long-wearing replete with age-in-place functionality, from the Corian kitchen countertops, roll-in shower and walk-in tub, to the Hardieboard siding and hail-impact-resistant roofing shingles. The house is perfect for daily living and for entertaining guests. We couldn’t be happier! Denise + Dana
Highly recommend Pinsonneault Builders.
We're extremely happy with our home by Pinsonneault. Mick, Leon and the whole team delivered beyond on our expectations. Even after the closing, helping guide us thru a number of additional projects along with Ally providing a huge help with interior design.
This is a very professional building company with excellent contacts. I highly recommend them to anyone looking to build a new home/business or remodel an existing one.
We hired Pinsonneault to renovate our office. We desperately needed to update everything; install HVAC, install hardwood floors, replaced windows and doors. We had customed doors made for the main entrance. It all looks amazing! The Pinsonneault Team made this project seamless; we had a wonderful experience and hope to hire Pinsonneault for our home remodeling project. Quality work and Professional. Thank you, Jennifer B.
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Added 13 new comments, added 52 new photos, verified active license, established 3.9 rating
Sustainability focus5.0
Aging-in-place bathrooms4.9