Part of the Manchester Metro area, Wilton in Hillsborough County sits within New Hampshire's granite-rich terrain where crystalline bedrock creates elevated radon potential throughout the southern region. Testing data for zip code 03086 remains sparse, though the state's geological composition often produces readings above EPA guidelines. Homeowners should prioritize radon testing, especially in properties with basements where granite-derived radon can accumulate to concerning levels.
Wilton, NH Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Wilton, NH Radon Testing
Finding qualified radon testing professionals is the first step toward protecting your home.
Wilton Radon Facts
Key details about the radon risk profile for Wilton and the 03086 zip code area.
EPA Radon Zone
Zone 2 — Moderate Risk
County
Hillsborough County, NH
Zip Code
03086
Predicted Screening Level
2–4 pCi/L (Zone 2)
Wilton and the 03086 zip code are located in Hillsborough 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 Wilton, NH
What EPA Radon Zone is Wilton in?
Wilton and the 03086 zip code are in Hillsborough 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 Wilton?
Radon mitigation in Wilton 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 Wilton?
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.
