Coastal Rockingham County encompasses Newington, where the town sits on marine sediments and glacial deposits near the Piscataqua River. Although radon testing data for zip code 03805 is currently sparse, New Hampshire's granite-influenced geology can produce elevated radon in many areas. Professional testing is recommended to determine actual indoor radon concentrations for local homes.
Newington, NH Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Newington, NH Radon Testing
Finding qualified radon testing professionals is the first step toward protecting your home.
Newington Radon Facts
Key details about the radon risk profile for Newington and the 03805 zip code area.
EPA Radon Zone
Zone 2 — Moderate Risk
County
Rockingham County, NH
Zip Code
03805
Predicted Screening Level
2–4 pCi/L (Zone 2)
Newington and the 03805 zip code are located in Rockingham County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.
Radon FAQ for Newington, NH
What EPA Radon Zone is Newington in?
Newington and the 03805 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 Newington?
Radon mitigation in Newington 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 Newington?
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.
Most Active Radon Markets in New Hampshire
Cities with the most user-submitted radon test data in the state.
