More general contractors
See all ›
Dao Construction, Inc.
Decks and porches5.0
Veglia Remodeling LLC
Clients returning for 10 and 20 years5.0
GPA Contracting
Detailed craftsmanship5.0
VSgencontractor, Inc.
Renovates century-old structures5.0
Local businessLocal business
Verified record
John O'Sullivan Contracting is a Massachusetts general contractor. BuildZoom lists a Massachusetts home improvement contractor license for the company, along with an earlier license number that appears no longer in use, and shows seven sample projects in its permit records. It's worth a call for general remodeling work — confirm current licensing status directly and get a written estimate before booking.
Specializes in
Languages
Typical Greater Boston range for this kind of work, from regional averages — not a quote from John O' Sullivan Contracting. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$23,000 – $35,000
Typical remodeling project around $29,000
No changes recorded yet — last scanned Sep 24, 2026.
Decks and porches5.0
Clients returning for 10 and 20 years5.0
Detailed craftsmanship5.0
Renovates century-old structures5.0