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Typical Greater Boston range for this kind of work, from regional averages — not a quote from Ocean Custom Build Corp. 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
$7,750 – $14,500
Typical carpentry project around $11,100
Ocean Custom Build works the South Shore and Boston area out of Weymouth, building composite decks, siding, trim and finish carpentry; the company says it started up in 2020. Eight Google reviews from mid-2026 all land at five stars, and the same name keeps coming up — Matheus (reviewers also call him Matt) — described as hands-on, meticulous and easy to work with. One customer's deck rebuild "exceeded my expectations," another called the crew "organized, professional, and always kept the work area clean," and a third said Matheus "knows his stuff and performs his work with excellence." The Better Business Bureau lists the company in Weymouth with an A- rating, which it attributes to how long the business has been operating, though the company isn't BBB Accredited. Its Massachusetts home improvement contractor registration, verified against the state registry, has expired — worth asking about directly before signing anything. A strong pick for deck, siding and carpentry work on the South Shore given the run of recent five-star reviews — just check on the current status of its state registration first.
Had an excellent experience with Matt. He and his team really went above and beyond. Worked hard, and worked clean. I would have him back to do work anytime. Great team to work with!
The team from Ocean Custom Build did an awesome job on my deck rebuild. Mat was very accommodating to any requests I had and would listen carefully, offer solutions and executed our agreed upon decisions with precision. He is a perfectionist and it comes across in the work of his team. The team were all very hard workers and again worked with me to ensure that I was getting what I asked for. They cleaned up everyday before they left sometimes working up to 12 hours a day. I highly recommend them without reservation.
Excellent workmanship, with total commitment, dedication, and execution of the work. Matheus knows his stuff and performs his work with excellence. Highly recommended. Thank you, Matheus, for the beautiful work you've done.
Matheus was really helpful through the entire process, everything came out perfect and i really recommend their service.
Matheus and his crew are always very professional and meticulous in their work! I always recommend them for any type of renovation!! Amazing work.
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1 change recorded — last scanned Sep 18, 2026.
Came back to fix deck stairs years later5.0
Decks and porches5.0
Custom sheds5.0