Local business · South Weymouth, MALocal business · 87 Thicket St, South Weymouth, MA 02190
Verified record
Isabel Construction is a South Weymouth contractor specializing in basement and crawl space waterproofing, structural and foundation repair, masonry, and epoxy flooring, working across Greater Boston and the South Shore — the company's site lists a dozen towns it serves, from Weymouth and Quincy to Boston and Brockton. Don Isabel founded the company; the site says he's spent 20 years in construction and started this business over 10 years ago, running it with his own team. Its Massachusetts home improvement contractor registration is active through February 2028, registered to Donald Isabel. There's no independent review record on file to draw specifics from. Porch lists the company at a 5.0 average across 43 ratings and 17 years in business — a somewhat longer figure than the site's own "over 10 years" — but without the underlying review text, that's a platform aggregate to note rather than a customer account to describe. Worth asking for references directly given the specialty work involved — foundation and structural repair carries higher stakes than most home projects.
Typical Greater Boston range for this kind of work, from regional averages — not a quote from Isabel Construction. Use it to sanity-check bids, then get the real number in writing.
Not sure which you need? Start with an inspection — many reputable companies assess free, and independent assessments run up to $500.
The wall run getting the drain — a full 30×40 ft basement is about 140 ft.
Estimated range
$7,600 – $15,000
Typical waterproofing project around $11,300
Specializes in
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Not enough evidence collected — no star rating established
Kitchen and bath renovation that also waterproofed a basement3.9
Never failed a blower-door test4.1