Situated in Rockingham County within the Boston Metro area, Hampstead shows a radon reading of 8.0 pCi/L from 1 test, which significantly exceeds the EPA action level. New Hampshire's granite bedrock creates conditions highly favorable for radon production throughout zip code 03841. Residents should conduct comprehensive professional testing and strongly consider mitigation systems given the elevated readings typical of this geological region.
8.00
pCi/L average
Above EPA Action Level
Based on 1 user-submitted radon test for homes in Hampstead, NH. The EPA recommends taking action at or above 4.0 pCi/L.
0
4.0 EPA
10+
Hampstead, NH Radon Mitigation
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User-submitted radon test readings from homes in the Hampstead area.
Radon Level
City
Home Age
Foundation
8 pCi/L
Hampstead, NH
51-99 Years
Full Basement
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Radon FAQ for Hampstead, NH
What is the average radon level in Hampstead, NH?
Based on 1 user-submitted test, the average radon level in Hampstead is 8.00 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 Hampstead in?
Hampstead and the 03841 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 Hampstead?
Radon mitigation in Hampstead 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 Hampstead?
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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