West Haven, CT Radon Mitigation and Testing

Q: What EPA Radon Zone is West Haven in?

West Haven is in New Haven County, EPA Zone 1.

Q: How much does radon mitigation cost in West Haven?

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

New Haven County

EPA Zone 1

Located in New Haven County along Connecticut's south-central coast, West Haven sits on glacial deposits overlying sedimentary bedrock typical of the Long Island Sound region. The city's housing stock includes many mid-20th century homes with full basements, where radon can accumulate in enclosed below-grade spaces. While testing data for West Haven (06516) is currently limited, homeowners should consider radon testing given Connecticut's variable geological conditions.

West Haven, CT Radon Mitigation

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

West Haven, CT Radon Testing

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

West Haven Radon Facts

Key details about the radon risk profile for West Haven and the 06516 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

New Haven County, CT

Zip Code

06516

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

West Haven and the 06516 zip code are located in New Haven 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 West Haven, CT

What EPA Radon Zone is West Haven in?

West Haven and the 06516 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 West Haven?

Radon mitigation in West 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 West 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 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