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O'Connell Carpentry is Pat O'Connell's remodeling shop, working out of Belmont and Watertown for more than two decades — the company's site cites 22-plus years, and BBB dates the sole proprietorship to January 1, 2003, with two employees. The work spans the usual general-contractor range: kitchens, bathrooms, additions, decks and porches, finished basements, windows and siding, across towns that include Newton, Waltham, Arlington, Lexington and Winchester. BuildZoom's profile for Patrick O'Connell credits him with 24 years in the trade, a 100 BuildZoom score, and 37 recorded projects. Houzz shows five published project galleries, including kitchens in Weston, bathrooms in Cambridge, and decks in Waltham. In a February 2026 Reddit thread in r/ArlingtonMA, a repeat customer said they'd used O'Connell for a couple of projects and would keep calling on Pat and his crew. BBB rates the business A+, and BuildZoom lists a carpenter license (#201136) and a home improvement contractor license (#149166) for the company. O'Connell looks like a fit for a full kitchen, bath or addition project handled by one crew — confirm current license status and get a written scope before signing on.
“We've used O'Connell Carpentry out of Belmont for a couple of projects and will continue to use them for our projects moving forward. I can't recommend Pat and his team enough.”
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1 change recorded — last scanned Sep 4, 2026.
Typical Greater Boston range for this kind of work, from regional averages — not a quote from O'Connell 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
$7,750 – $14,500
Typical carpentry project around $11,100
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Languages
Came back to fix deck stairs years later5.0
Decks and porches5.0
Custom sheds5.0
