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Belfast Carpentry holds 5 stars from 22 Google ratings. Its website calls it a Belfast, Maine construction company offering general contracting for residential projects: new homes, additions, renovations and repair work. A recent customer said Mike and his team designed and completed a deck replacement, also replaced windows, did trim work and some general repairs, started workdays at 7 a.m. and left a clean worksite. A recent reviewer praised the pricing, the timely work and the clean-up. A 2025 customer said Mike and his crew built their house, kept to the proposed schedule, and that the project came in under the estimated price. A 2025 reviewer said Mike replaced a 50-year-old single-pane bathroom window with a double-pane vinyl window, repaired and re-insulated the wall around it, replaced the siding, and sent photos of every major step. In a 2025 review, a customer said Michael and his team replaced an attic hatch with a pull-down step ladder and added a gable vent in two days, and advised staying flexible with scheduling because they are very busy. A 2025 customer said Mike and his crew built a closet in an old house where nothing was straight or level, and that he returned to tweak a couple of details. A 2024 customer said they repaired a deck in a precarious spot as the scope grew, explained what they found and what it would cost before doing any work, and filled in holes in the grass and reseeded the lawn after cleaning up. A bangordailynews.com piece quotes Jastram putting a full garage conversion at a likely cost of at least $50,000.
“A full garage conversion — that is plumbing, electrical, sheet rocking, insulation, painting, flooring, windows and doors, heating and cooling, and fixtures — will likely cost at least $50,000, Jastram said.”
100% if you need any Carpentry services at all this should be you first call. Great service, great pricing and timely work. Definitely the best crew I have seen in a long time. Polite and Professional and did a fantastic job both work and clean up!
Mike and his excellent team at Belfast Carpentry designed and completed our deck replacement in Spring 2026, and we couldn't be happy with their craftsmanship! This POV has been echoed by friends and neighbors who have since visited. Additionally, Belfast Carpentry replaced windows, did carpentry trim work, and some general repairs for us. Beyond the quality of the work, the team started their workdays at 7 a.m., work through 5 p.m., and left a clean worksite. We're so pleased with the quality of the work that we're moving to Phase 2 for more work.
Mike and his crew did a beautiful job building our house. They kept to their proposed schedule, worked quickly and kept the job site well organized. The project came in under the estimated price. Mike was very easy to work with – he is a superb communicator. He's focused, flexible, and collaborative. He's a great problem solver and has a good design sense, all of which improved the construction of our house. We'd highly recommend hiring Belfast Carpentry.
I couldn't be happier w our deck. Thank you, Mike and team. Great work and nice guys. I will let everyone know.
Michael and his team completed two projects to prepare for new insulation in the attic of our 1899 house. They replaced a simple 'hatch' attic door with a pull-down step ladder and added an additional gable vent. The work took only two days and looks great. Would certainly hire them again. Like all good, local tradesmen, they are very busy. Just stay flexible with scheduling and you'll be rewarded with excellent work.
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2 changes recorded — last scanned Nov 1, 2026.
Typical Maine range for this kind of work, from regional averages — not a quote from Belfast Carpentry. Use it to sanity-check bids, then get the real number in writing.
A typical single-level deck is 12×16 — about 200 sq ft.
Estimated range
$7,000 – $13,100
Typical carpentry project around $10,100