North Haven, CT Radon Levels
Check local North Haven radon levels and find certified testing and mitigation professionals to keep your home safe
North Haven, CT Radon Facts
EPA Radon Zone
Zone 1 — High Risk
> 4.0 pCi/L (Zone 1)
County
New Haven County, CT
Zip Code
06473
Located in New Haven County, North Haven sits within Connecticut's central valley region where glacial deposits over bedrock create variable radon conditions. Testing data for this zip code 06473 community remains limited, making individual home testing essential for residents. Given Connecticut's geology and housing stock of mid-century homes with basements, professional radon testing is strongly recommended for all properties.
North Haven, 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 North Haven, CT
What EPA Radon Zone is North Haven in?
North Haven and the 06473 zip code are in New Haven 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 North Haven?
Radon mitigation in North Haven 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 North Haven?
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 |