Verified record
No state license for this trade. New Hampshire doesn't license or register waterproofing / foundationbusinesses, so there's no state registry to check. That's true of every waterproofing / foundation business in the state, not a mark against this one. Insurance is self-reported.
- Not rated by the BBB
- 34 work photos
Highlights
- Seen on Reddit — 1 mention in r/newhampshire, positive
- A full basement treatment — a 2026 Reddit commenter said it cost 43K
TC Hafford Basement Systems describes itself as a basement waterproofing, crawl space, foundation-repair, concrete-leveling, gutter and insulation contractor serving Maine and eastern New Hampshire. Its website says that since 1991 it has done basement waterproofing and crawl space repair throughout the Greater Portland area and nearby Maine, and that it is an exclusive Basement Systems dealer. In a 2026 post on r/newhampshire, a commenter wrote that they "had TC Hafford Basement Systems come do the full treatment for 43K," so the house could go on the market.
Heard around town
On Reddit
- Basement water issue in NH. Three companies, three very different solutions. Looking for local advice.Feb 4, 2026
“We had TC Hafford Basement Systems come do the full treatment for 43K, so we can put the house on the market knowing what should have been done 20 years ago has been done.”
— u/itsstillmeagain in r/newhampshireRead the thread ↗
What does basement waterproofing cost in Greater Nashua?
Typical your area range for this kind of work, from regional averages — not a quote from TC Hafford Basement Systems. 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
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