This Hillsborough County community in the Manchester Metro area has recorded an average radon level of 11.0 pCi/L, significantly exceeding EPA guidelines and reflecting New Hampshire's high radon prevalence. The underlying granite bedrock and glacial till deposits characteristic of southern New Hampshire create ideal conditions for radon production and migration. Residents in zip code 03076 should prioritize professional radon testing and mitigation if needed.
11.00
pCi/L average
Above EPA Action Level
Based on 2 user-submitted radon tests for homes in Pelham, NH. The EPA recommends taking action at or above 4.0 pCi/L.
0
4.0 EPA
10+
Pelham, NH Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
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User-submitted radon test readings from homes in the Pelham area.
Radon Level
City
Home Age
Foundation
Submitted
2 pCi/L
Pelham, NH
21-50 Years
Full Basement
Aug 2021
20 pCi/L
Pelham, NH
51-99 Years
Full Basement
Feb 2020
Have a radon test result for Pelham? Submit your reading to help other homeowners.
Radon FAQ for Pelham, NH
What is the average radon level in Pelham, NH?
Based on 2 user-submitted tests, the average radon level in Pelham is 11.00 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 Pelham in?
Pelham and the 03076 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 Pelham?
Radon mitigation in Pelham 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 Pelham?
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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