Claremont, NH Radon Levels
Check local Claremont radon levels and find certified testing and mitigation professionals to keep your home safe
Claremont, NH Radon Facts
EPA Radon Zone
Zone 2 — Moderate Risk
2–4 pCi/L (Zone 2)
County
Sullivan County, NH
Zip Code
03743
Nestled in Sullivan County's Connecticut River valley, Claremont sits on complex geology including granite bedrock and glacial deposits that can contribute to elevated radon levels. While specific testing data for zip code 03743 is currently limited, New Hampshire's geological characteristics often produce readings above the EPA action level. Homeowners should prioritize radon testing, particularly given the area's older housing stock and basement prevalence.
Claremont, NH Radon Mitigation
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Radon FAQ for Claremont, NH
What EPA Radon Zone is Claremont in?
Claremont and the 03743 zip code are in Sullivan County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.
How much does radon mitigation cost in Claremont?
Radon mitigation in Claremont typically costs between $800 and $2,000. Most homes with standard basements can be mitigated with a sub-slab depressurization system in the $1,000–$1,500 range. Factors that can increase cost include complex foundations, crawl spaces, or very high radon levels.
Should I test for radon if I'm buying a home in Claremont?
Yes. Radon testing should be part of every home purchase. A short-term radon test is typically included as part of the home inspection process and costs $150–$250. If elevated levels are found, you can negotiate mitigation as part of the sale.