Exeter, NH Radon Levels
Check local Exeter radon levels and find certified testing and mitigation professionals to keep your home safe
Exeter, NH Radon Facts
EPA Radon Zone
Zone 2 — Moderate Risk
2–4 pCi/L (Zone 2)
County
Rockingham County, NH
Zip Code
03833
Historic Rockingham County town Exeter lies in New Hampshire's seacoast region within the greater Boston Metro area, where glacial deposits and granite bedrock contribute to the state's elevated radon potential. The community features a mix of colonial-era homes, 19th-century mill housing, and modern developments, most with full basement foundations. While specific testing data for the 03833 zip code remains limited, homeowners should prioritize radon testing given New Hampshire's reputation for elevated radon levels statewide.
Exeter, NH Radon Mitigation
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Radon FAQ for Exeter, NH
What EPA Radon Zone is Exeter in?
Exeter and the 03833 zip code are in Rockingham 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 Exeter?
Radon mitigation in Exeter 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 Exeter?
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.