Verified record
Typical Greater Boston range for this kind of work, from regional averages — not a quote from John J Danca. 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
Roofing dominates John J Danca's Mansfield permit history: BuildZoom shows roof replacements in Milton, Marblehead, North Attleboro and Falmouth, alongside a basement finish and commercial fit-outs. Its 29 project entries include duplicate lines for two permits, so the count is not 29 distinct jobs. In a March 2019 BuildZoom review, someone who said they had done business with John called him knowledgeable and recommended him; the comment is an older business reference, not a described roofing project. Massachusetts currently verifies Capitol Roofing, Inc.'s home improvement contractor registration 187844 as active. BuildZoom also lists HIC 182414 as active, and names John Danca and John J. Danca Jr. among the owners, so confirm which company and qualifier will be on your contract. BuildZoom marks earlier HIC registrations 125001 and 139999, and Construction Supervisor credential CS-025421, inactive and at one point cancelled; it separately lists active CS-055932. These are directory claims about different numbers, while the state-verified HIC 187844 is active. One Attleboro permit for roof and garage repairs is marked “permit revoked”; ask what happened before treating that project as a reference. Danca appears best suited to roofing work, with broader remodeling also represented in the permits. Confirm the contracting entity, license coverage and permit status for your particular job before signing.
I’ve done business with John and he was a pleasure to work with. Knowledgeable and good at what he does. I’d recommend him to friends and family.
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1 change recorded — last scanned Jul 31, 2026.
Community roof giveaway5.0