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Typical Greater Boston range for this kind of work, from regional averages — not a quote from MasonryKing Foundation Waterproofing & 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
MasonryKing Foundation Waterproofing & Construction is a Burlington, Massachusetts masonry and waterproofing company that describes itself as family-owned and serving Massachusetts and New Hampshire since 1995. Its website lists masonry, foundation, waterproofing, chimney, roofing and siding work, and its Massachusetts home improvement contractor registration, #217792, is active on the state registry. Its Google reviews, 5 stars from 41 ratings, all date from 2025 and 2026 and are mostly short. The longer ones describe basement and foundation work. A February 2026 customer said their basement stayed completely dry through heavy rain after it was waterproofed. In February 2025, a homeowner with water seeping through a fieldstone foundation wall during a snowy stretch hired the company to fix it. A December 2025 reviewer said a foundation was rebuilt and waterproofed on one side and a chimney that was leaning away from the house was rebuilt. Other reviews mention French drains, a new garage floor, ice dam removal, walkway tile repairs and chimney rebuilds, and customers name John, Mike and Paul as the people they dealt with. The BBB gives the company an A- grade.
very responsive right from the beginning. answered all my questions. very pleased with the final job
I had them do a French drains very hard working and very good deal
Thank you ver Much done a good Job no my basement and chimey
I hired them to remove the mold from my home they done a fantastic job and the after sales was nice
Recommend Paul from masonry king they done a new step for me and I’m very happy
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Certified attributes are verified against the public registry. Others are the business's own statement.
1 change recorded — last scanned Aug 30, 2026.
Careful, honest advice3.0
Roof survived a major storm intact5.0
Basement and foundation waterproofing4.9
Foundation repairs4.1
Waterproofing work4.4