Verified record
Foundation Sealers Connecticut describes itself as a family-run business serving Connecticut since 1973, with work that runs from damp basements to under-slab waterproofing. Its Better Business Bureau profile describes foundation waterproofing and sealing, including crack injection repairs using foam or epoxy resin, plus drainage systems. The company is accredited with the Better Business Bureau and carries an A+ grade there. On Google it has 5 stars from 4 ratings, and a recent customer called it quality service and said they will be using it again.
Typical your area range for this kind of work, from regional averages — not a quote from Foundation Sealers-Ct LLC. 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
Quality service will be using again in the future
The best around!
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Certified attributes are verified against the public registry. Others are the business's own statement.
1 change recorded — last scanned Oct 14, 2026.
Drainage fixes and regrading4.4