3 verified professionals in Derry, NH
0 Top Rated, 0 Insured, 3 Licensed
Northeastern Continental
Moderate to high (50-70% average)
Moderate to high (50-70% average)
Cladosporium, Penicillium, Aspergillus
Primary mold risks come from basement moisture caused by freeze-thaw cycles affecting foundations. Older housing stock presents higher risk of hidden mold in pipe chases and uninsulated exterior walls.
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Top choice for Derry
Our top verified pick for mold remediation in Derry, NH is Cornerstone IAQ Services LLC with a 4.9-star rating from 50 reviews. They have active state licensing verified in 2026.
Cornerstone IAQ Services LLC
Derry, NH
50 reviews
0 Top Rated, 0 Insured, 3 Licensed