Hartford, CT Radon Levels
Check local Hartford radon levels and find certified testing and mitigation professionals to keep your home safe
Hartford, CT Radon Facts
EPA Radon Zone
Zone 3 — Low Risk
< 2.0 pCi/L (Zone 3)
County
Hartford County, CT
Zip Code
06101
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.
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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 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 |