Chester, CT Radon Mitigation and Testing

Q: What EPA Radon Zone is Chester in?

Chester is in Middlesex County, EPA Zone 1.

Q: How much does radon mitigation cost in Chester?

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

Middlesex County

EPA Zone 1

Historic Chester in Middlesex County sits along the Connecticut River where glacial deposits and underlying sedimentary rocks create variable radon conditions throughout this scenic valley community. With limited current testing data available, homeowners should prioritize professional radon assessment to understand their individual property's characteristics. The town's mix of historic homes and modern construction, many featuring full basements typical of Connecticut, can show different radon accumulation patterns.

Chester, CT Radon Mitigation

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

Chester, CT Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Chester Radon Facts

Key details about the radon risk profile for Chester and the 06412 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Middlesex County, CT

Zip Code

06412

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Chester and the 06412 zip code are located in Middlesex County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Chester, CT

What EPA Radon Zone is Chester in?

Chester and the 06412 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 Chester?

Radon mitigation in Chester 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 Chester?

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 with the most user-submitted radon test data in the state.

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