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A 2022 commenter on r/newhampshire placed Hunter Foundations in Marlborough and spoke well of the business. It has a 5-star Google rating from a single rating.
“Hunter Foundations in Marlborough is great at these things.”
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1 change recorded — last scanned Oct 18, 2026.
Typical New Hampshire range for this kind of work, from regional averages — not a quote from Hunter Foundations. 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
$6,700 – $13,200
Typical waterproofing project around $9,950
