Concord, NH Radon Levels
Check local Concord radon levels and find certified testing and mitigation professionals to keep your home safe
Concord, NH Radon Facts
EPA Radon Zone
Zone 2 — Moderate Risk
2–4 pCi/L (Zone 2)
County
Merrimack County, NH
Zip Code
03301
Located in Merrimack County in south-central New Hampshire, Concord sits within EPA Zone 2, indicating moderate radon potential. The area's granite bedrock and glacial till soils can contribute to radon gas migration into homes. While specific testing data for zip code 03301 is currently limited, homeowners should test their properties to establish baseline radon levels.
Concord, NH Radon Mitigation
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Radon FAQ for Concord, NH
What EPA Radon Zone is Concord in?
Concord and the 03301 zip code are in Merrimack 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 Concord?
Radon mitigation in Concord 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 Concord?
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.