Part of the Manchester Metro area in Hillsborough County, Brookline shows an average radon reading of 5.0 pCi/L, which exceeds the EPA's 4.0 pCi/L action threshold. The town's location over granite bedrock and glacial deposits common to southern New Hampshire creates geological conditions that can produce elevated radon levels in homes. Given this elevated reading in zip code 03033, residents should test their properties and consider mitigation systems if levels consistently exceed EPA guidelines.
5.00
pCi/L average
Above EPA Action Level
Based on 1 user-submitted radon test for homes in Brookline, NH. The EPA recommends taking action at or above 4.0 pCi/L.
0
4.0 EPA
10+
Brookline, NH Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Need Radon Mitigation or Testing in Brookline?
100% Free, No-Obligation Quotes
Matches You with State-Licensed Hillsborough County Pros
User-submitted radon test readings from homes in the Brookline area.
Radon Level
City
Home Age
Foundation
Submitted
5 pCi/L
Brookline, NH
51-99 Years
No Basement/All Crawl Space
May 2019
Have a radon test result for Brookline? Submit your reading to help other homeowners.
Radon FAQ for Brookline, NH
What is the average radon level in Brookline, NH?
Based on 1 user-submitted test, the average radon level in Brookline 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 Brookline in?
Brookline and the 03033 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 Brookline?
Radon mitigation in Brookline 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 Brookline?
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 in New Hampshire with the most user-submitted radon test data, ranked by number of submissions.
