Verified record
D. Sullivan Contracting is a home improvement contractor in Marlborough, MA. The company describes remodeling kitchens, basements and bathrooms, along with exterior woodwork, painting, roofing, door and window replacement, trim work, gutter replacement and cleaning, drywall, tile work and decks. Its Massachusetts home improvement contractor license 157512, held by Donald Sullivan, is active on the state registry. It holds an A+ grade from the Better Business Bureau, and BuildZoom shows 7 projects. In a 2025 Google review, a customer said Don had done a huge amount of interior and exterior home renovations for them over 10 years in Southborough, and called the quality of the work, the care in the process and the communication along the way excellent.
Typical Greater Boston range for this kind of work, from regional averages — not a quote from d 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
Don has done a huge amount of interior and exterior home renovations for me over 10 years in Southborough. The quality of the work, the care in the process and the communication along the way we're all excellent. Highly recommended.
Specializes in
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2 changes recorded — last scanned Sep 27, 2026.
Custom carpentry5.0
Framing and decks4.8
Finish carpentry4.7
Basement built out with bedroom, office, kitchenette and bath4.7
Next-day ice-dam emergency response4.5
