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Verified record
License Verified113386MA hic · verified Sep 25, 2026
- MA HIC licenseVerified active
- Not rated by the BBB
- 18 work photos
Highlights
- Design-build work — site describes a full room-over-garage build
- Active HIC registration — held by Brian Doherty on the state registry
Doherty Building & Design is a Chelmsford design-build contractor that reports 39 years in business, and Brian Doherty's Massachusetts home improvement contractor registration (113386) is active on the state registry. Its site describes a room-over-garage project it designed, engineered and built, turning an unfinished space above a two-car garage into a room with a new full bath, an electrical service upgrade and a separate HVAC system. The site also lists MA License # 057980. It has three Google ratings averaging 4.3; a July 2025 reviewer called the work reliable. In a 2013 Houzz review, a customer who hired the company to side their home found the rate very reasonable. BuildZoom shows 17 of its projects.
What does a remodeling project cost in Greater Boston?
Typical Greater Boston range for this kind of work, from regional averages — not a quote from Doherty Building & Design. 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
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