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Sherman, CT Radon Levels

Check local Sherman radon levels and find certified testing and mitigation professionals to keep your home safe


Sherman, CT Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Fairfield County, CT
Zip Code 06784
Avg. User Level 14.00 pCi/L
User Tests 1

Sherman in Fairfield County recorded a concerning radon reading of 14.0 pCi/L in recent testing, well above the EPA's 4.0 pCi/L action level. This western Connecticut community features predominantly older homes with stone foundations and full basements typical of New England construction. The underlying granite bedrock and glacial soils common to the region contribute to elevated radon potential throughout Fairfield County.

14.00
pCi/L average
Above EPA Action Level

Based on 1 user-submitted radon test for homes in Sherman, CT. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Sherman, CT Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

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Sherman, CT Radon Levels

User-submitted radon test readings from homes in the Sherman area.

Radon LevelCityHome AgeFoundation
14 pCi/L SHERMAN, CT 0-20 Years Full Basement

Have a radon test result for Sherman? Submit your reading to help other homeowners.

Radon FAQ for Sherman, CT

What is the average radon level in Sherman, CT?
Based on 1 user-submitted test, the average radon level in Sherman is 14.00 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 Sherman in?
Sherman and the 06784 zip code are in Fairfield County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.
How much does radon mitigation cost in Sherman?
Radon mitigation in Sherman 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 Sherman?
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 Connecticut

Cities in Connecticut with the most user-submitted radon test data, ranked by number of submissions.

CityAvg User Radon LevelSubmissions
Hamden 4.75 pCi/L 4
West Hartford 4.25 pCi/L 4
Greenwich 7.67 pCi/L 3
Norwalk 7.00 pCi/L 1
Stamford 5.00 pCi/L 1
Middletown 4.00 pCi/L 1
Guilford No submissions 0
Ridgefield No submissions 0