Hartford, CT Radon Mitigation and Testing

Q: What EPA Radon Zone is Hartford in?

Hartford is in Hartford County, EPA Zone 3.

Q: How much does radon mitigation cost in Hartford?

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

Hartford County

EPA Zone 3

Connecticut's capital city in Hartford County sits in the Connecticut River valley where glacial deposits over sandstone bedrock create variable radon conditions. The city's diverse housing stock ranges from historic brownstones to modern high-rises, with older residential areas featuring full basements where radon can accumulate. While comprehensive testing data for downtown areas remains limited, the region's geological diversity warrants attention to radon testing in residential properties.

Hartford, CT Radon Mitigation

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

Hartford, CT Radon Testing

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

Hartford Radon Facts

Key details about the radon risk profile for Hartford and the 06101 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Hartford County, CT

Zip Code

06101

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Hartford and the 06101 zip code are located in Hartford County, which has an EPA assigned Radon Zone of 3. A radon zone of 3 predicts an average indoor radon screening level less than 2 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Hartford, CT

What EPA Radon Zone is Hartford in?

Hartford and the 06101 zip code are in Hartford County, which has an EPA assigned Radon Zone of 3. A zone of 3 predicts an average indoor radon screening level less than 2 pCi/L.

How much does radon mitigation cost in Hartford?

Radon mitigation in Hartford 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 Hartford?

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