Old Saybrook, CT Radon Levels

Q: What is the average radon level in Old Saybrook, CT?

Based on 2 user-submitted tests, the average radon level is 7.00 pCi/L.

Q: What EPA Radon Zone is Old Saybrook in?

Old Saybrook is in Middlesex County, EPA Zone 1.

Q: How much does radon mitigation cost in Old Saybrook?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

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

Old Saybrook, CT Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Middlesex County, CT

Zip Code 06475

Avg. User Level 7.00 pCi/L

User Tests 2

Located at the mouth of the Connecticut River in Middlesex County, Old Saybrook sits on complex glacial and coastal deposits over bedrock formations. Testing data indicates an average radon level of 7.0 pCi/L, notably exceeding the EPA action threshold of 4.0 pCi/L. The area's Zone 1 classification and mix of historic and modern homes make testing essential for zip code 06475 residents.

7.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Old Saybrook, CT Radon Mitigation

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

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Old Saybrook, CT Radon Levels

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

Radon Level	City	Home Age	Foundation
5 pCi/L	Old Saybrook, CT	51-99 Years	Full Basement
9 pCi/L	Old Saybrook, CT	51-99 Years	Full Basement

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

Radon FAQ for Old Saybrook, CT

What is the average radon level in Old Saybrook, CT?

Based on 2 user-submitted tests, the average radon level in Old Saybrook is 7.00 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 Old Saybrook in?

Old Saybrook and the 06475 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 Old Saybrook?

Radon mitigation in Old Saybrook 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 Old Saybrook?

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.

City	Avg User Radon Level	Submissions
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

Old Saybrook, CT Radon Levels

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

Old Saybrook, CT Radon Facts

Old Saybrook, CT Radon Mitigation

Need Radon Mitigation or Testing in Old Saybrook?

Old Saybrook, CT Radon Levels

Radon FAQ for Old Saybrook, CT

Most Active Radon Markets in Connecticut

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