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Middletown, CT Radon Levels

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


Middletown, CT Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Middlesex County, CT
Zip Code 06457
Avg. User Level 5.50 pCi/L
User Tests 2

Situated in Middlesex County along the Connecticut River, Middletown shows an average radon level of 4.0 pCi/L, exactly at the EPA's action threshold. Located in EPA Zone 1, the area's complex geology of gneiss bedrock and river valley deposits creates variable radon conditions. Residents in zip code 06457 should conduct radon testing, as individual readings may differ significantly from the average.

5.50
pCi/L average
Above EPA Action Level

Based on 2 user-submitted radon tests for homes in Middletown, CT. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Middletown, CT Radon Mitigation

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Middletown, CT Radon Levels

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

Radon LevelCityHome AgeFoundation
4 pCi/L Middletown, CT 21-50 Years Full Basement

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

Radon FAQ for Middletown, CT

What is the average radon level in Middletown, CT?
Based on 2 user-submitted tests, the average radon level in Middletown is 5.50 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 Middletown in?
Middletown and the 06457 zip code are in Middlesex 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 Middletown?
Radon mitigation in Middletown 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 Middletown?
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