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Typical Greater Boston range for this kind of work, from regional averages — not a quote from A. Allen Carpentry Inc.. 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
Custom furniture, built-ins, wainscoting, crown molding — the job list at A. Allen Carpentry is a finish carpenter's, run out of Osterville on Cape Cod. Its Massachusetts home improvement contractor registration, #216903, is active on the state registry, and the Better Business Bureau grades the company A+. One Google review, posted in September 2025, describes Mr. Allen returning calls quickly, coming out to do the work when he said he would, and leaving work the customer called beautiful. Thumbtack, which lists Aldain Allen as the owner and says he cleared its background check, carries the same 5-star rating syndicated from Google. Beyond the bench work, the company lists wood flooring installation, door and window installation, restoration and repairs, deck construction, pergolas and gazebos, and residential and commercial power washing; its Houzz and Thumbtack menus run further, into general contracting and remodeling. Worth asking which of those he takes on himself. For built-ins, a set of cabinets, or trim and molding in a Cape house, this is a registered local carpenter to get a price from. Ask for the scope and price in writing, a current certificate of insurance, and photos or addresses of two recent jobs like yours.
Mr. Allen is a consummate professional! His work is beautiful and extremely well done. He is responsive , returns calls quickly and comes to do the work in a timely fashion. We are grateful to have found him and that he is a resource upon whom we can rely.
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1 change recorded — last scanned Sep 3, 2026.
Came back to fix deck stairs years later5.0
Decks and porches5.0
Custom sheds5.0
Named among top mid-Cape builders3.9