Windham, CT Radon Mitigation and Testing

Q: What EPA Radon Zone is Windham in?

Windham is in Windham County, EPA Zone 2.

Q: How much does radon mitigation cost in Windham?

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

Windham County

EPA Zone 2

Positioned in eastern Connecticut's Windham County, this community sits over crystalline bedrock and glacial deposits that can create moderate radon potential across the region. Currently, radon testing data for zip code 06280 is limited, making individual home testing particularly important for residents. The area's housing stock includes both historic New England homes and newer construction, presenting different foundation characteristics that can affect radon entry patterns.

Windham, CT Radon Mitigation

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

Windham, CT Radon Testing

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

Windham Radon Facts

Key details about the radon risk profile for Windham and the 06280 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Windham County, CT

Zip Code

06280

Predicted Screening Level

2–4 pCi/L (Zone 2)

Windham and the 06280 zip code are located in Windham County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Windham, CT

What EPA Radon Zone is Windham in?

Windham and the 06280 zip code are in Windham County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

How much does radon mitigation cost in Windham?

Radon mitigation in Windham 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 Windham?

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