Verified record
Ace Waterproofing is a Cambridge, MA outfit specializing in foundation, basement and masonry waterproofing and repair, run by Jim Healy; the company's Angi listing states 7 years of experience in its business highlights, while its own About Us text claims over 35 years. Its written record runs from 2020: in a pair of reviews from that August, customers praised Jim's transparency on pricing and his masonry knowledge, with one homeowner calling him the only contractor of several who actually fixed a long-standing issue and describing him as 'very easy to talk to' with 'quality work.' Confirm current pricing and scheduling directly, and ask about the tenure discrepancy between the business's own description and its Angi listing.
I've had an ongoing issue and have used numerous people in the same trade, but Jim Healy was the only one to really fix it! I regret not calling him first! He's saved me thousands of dollars!
He has extensive knowledge of masonry! i really appreciated how transparent he was with pricing and with the work that had to be done! He's very easy to talk to and offered quality work. We're very pleased with the outcome!
Typical Greater Boston range for this kind of work, from regional averages — not a quote from Ace Waterproofing. 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
Also offers
Languages
1 change recorded — last scanned Sep 19, 2026.
Basement waterproofing5.0
Retaining walls5.0
Bulkhead replacement4.8
Brick and 1850s fieldstone foundations repointed4.8
Structural carpentry4.8
Owner-led communication4.8