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· Chatham, MA · 210 Commerce Park, Chatham, MA
Verified record
Jonathan Sequin is based in Chatham, MA. His home improvement contractor licence, 194341, is active on the state registry. BuildZoom lists a second Massachusetts licence number, CS-113497, and shows 2 projects.
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Typical Greater Boston range for this kind of work, from regional averages — not a quote from Jonathan Sequin. Use it to sanity-check bids, then get the real number in writing.
A square is 100 sq ft of roof surface — bigger than the floor plan because of pitch and overhangs.
Estimated range
$9,000 – $18,600
Typical roofing project around $13,800
No changes recorded yet — last scanned Sep 25, 2026.
Solves leaks other contractors couldn't fix5.0
Ice dam specialists5.0
