North Haven, ME Radon Mitigation and Testing

Q: What EPA Radon Zone is North Haven in?

North Haven is in Knox County, EPA Zone 2.

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

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

Knox County

EPA Zone 2

This coastal Knox County community in Maine's midcoast region sits on granite bedrock that can produce elevated radon levels in some areas. With limited testing data available for zip code 04853, homeowners should conduct professional radon testing regardless of home age or foundation type. Maine's geology and seasonal home closures make radon accumulation a particular concern for both year-round and seasonal residents.

North Haven, ME Radon Mitigation

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

North Haven, ME Radon Testing

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

North Haven Radon Facts

Key details about the radon risk profile for North Haven and the 04853 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Knox County, ME

Zip Code

04853

Predicted Screening Level

2–4 pCi/L (Zone 2)

North Haven and the 04853 zip code are located in Knox 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 North Haven, ME

What EPA Radon Zone is North Haven in?

North Haven and the 04853 zip code are in Knox 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 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 Maine

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Rumford	5.67 pCi/L	3
York	8.50 pCi/L	2
Saco	7.50 pCi/L	2
Hampden	4.50 pCi/L	2
Scarborough	14.00 pCi/L	1
Kittery	12.00 pCi/L	1
South Portland	10.00 pCi/L	1
Portland	4.00 pCi/L	1