Plainville, CT50 Diamond Ave, Plainville, CT 06062
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Eagle Basement Waterproofing describes itself on its Better Business Bureau page as offering residential and commercial basement waterproofing. It carries an A+ grade from the Better Business Bureau and 5 stars from 2 Google ratings.
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Typical your area range for this kind of work, from regional averages — not a quote from Eagle Basement 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
1 change recorded — last scanned Oct 13, 2026.
Basement finished with a full bathroom and laundry closet5.0
One-day garage foundation rework4.3
Owner Alex works alongside his crew3.6