Located in Hillsborough County within the Manchester Metro area, New Boston shows an average radon level of 5.0 pCi/L based on limited testing data. This reading exceeds the EPA action level of 4.0 pCi/L, indicating that mitigation may be necessary for many homes in the 03070 zip code area. New Hampshire's granite bedrock and glacial deposits contribute to elevated radon potential throughout much of the state.
5.00
pCi/L average
Above EPA Action Level
Based on 1 user-submitted radon test for homes in New Boston, NH. The EPA recommends taking action at or above 4.0 pCi/L.
0
4.0 EPA
10+
New Boston, NH Radon Mitigation
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User-submitted radon test readings from homes in the New Boston area.
Radon Level
City
Home Age
Foundation
5 pCi/L
New Boston, NH
0-20 Years
—
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Radon FAQ for New Boston, NH
What is the average radon level in New Boston, NH?
Based on 1 user-submitted test, the average radon level in New Boston is 5.00 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.
What EPA Radon Zone is New Boston in?
New Boston and the 03070 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 New Boston?
Radon mitigation in New Boston 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 New Boston?
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.
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