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Stratford, CT Radon Levels

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


Stratford, CT Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Fairfield County, CT
Zip Code 06497
Avg. User Level 5.00 pCi/L
User Tests 1

Situated in Fairfield County along Connecticut's coastal plain, Stratford has recorded an average radon level of 5.0 pCi/L, exceeding the EPA's recommended action threshold. The area's glacial deposits over crystalline bedrock create conditions that can trap radon gas in homes with basements or lower levels. Testing is strongly recommended for all properties across Stratford's multiple zip codes given these elevated readings.

5.00
pCi/L average
Above EPA Action Level

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

0
4.0 EPA
10+

Stratford, CT Radon Mitigation

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

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Stratford, CT Radon Levels

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

Radon LevelCityHome AgeFoundation
5 pCi/L Stratford, CT 51-99 Years Full Basement

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

Radon FAQ for Stratford, CT

What is the average radon level in Stratford, CT?
Based on 1 user-submitted test, the average radon level in Stratford 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 Stratford in?
Stratford and the 06497 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 Stratford?
Radon mitigation in Stratford 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 Stratford?
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