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Regional · Medway, MARegional · 7 Winthrop St, Medway, MA
Verified record
Prime Building is a Medway-area construction firm offering general contracting, design-build and construction management for commercial, industrial and residential projects; its site says it was founded in 2012. Its Massachusetts home improvement contractor registration, held by Mark W. Judson, is active on the state registry. BuildZoom lists Mark Judson as owner and shows 28 permitted projects valued from about $15,000 to $1 million, in towns including Boston, Brookline and Somerville. It has 5 stars from 2 Google ratings. A November 2024 reviewer said they had worked with Mark, Alex and Joe for a long time, and an April 2026 customer praised the communication and execution.
I had a fantastic experience start to finish. Great communication. Excellent execution and awesome to work with. Prime Construction was top notch and I will be working with them again.
Prime Building is one the greatest companies in our region, they are high quality and very efficient. We've been doing business with Mark, Alex and Joe for a such long time now and they are awsome. I highly recommend them.
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1 change recorded — last scanned Aug 3, 2026.
Typical Greater Boston range for this kind of work, from regional averages — not a quote from Prime Building Inc. 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
Outdoor screen replacement finished on schedule4.3
Old deck replaced by a paved patio within a week4.1
Whole-house renovation3.1
