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Amherst Roofing NH is a Merrimack, NH roofing and siding contractor. According to the Better Business Bureau, it's owned by Tyler Thomson and has been operating since 2016 (9 years); BBB gives the company an A+ rating. The written record here is thin: the only customer review on file is from 2018, and it's a serious one. The homeowner said the company patched a leak near the chimney, the leak came back worse with mold and water damage, and the contractor never returned to fix it as promised. There's no more recent customer feedback to weigh against that account, so ask directly about warranty follow-through and recent references before booking, especially for any leak or chimney-adjacent roofing work.
Hired to patch leak near chimney. Gave me two prices, one "done right" and one that was more short term but would get the leak fixed. The leak is now worse with mold and water damage in our house, he said he would come back to fix the issue and never shows. Stay away.
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1 change recorded — last scanned Sep 19, 2026.
Typical New Hampshire range for this kind of work, from regional averages — not a quote from Amherst Roofing NH. Use it to sanity-check bids, then get the real number in writing.
A square is 100 sq ft of roof surface — bigger than the floor plan because of pitch and overhangs.
Estimated range
$7,900 – $16,400
Typical roofing project around $12,200
