Mount Desert, ME Radon Mitigation and Testing

Q: What EPA Radon Zone is Mount Desert in?

Mount Desert is in Hancock County, EPA Zone 1.

Q: How much does radon mitigation cost in Mount Desert?

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

Hancock County

EPA Zone 1

Situated on Mount Desert Island in Hancock County, this coastal Maine community lies in EPA Zone 1 due to the region's granite bedrock, which naturally contains uranium and can produce elevated radon levels. The area's rocky terrain and seasonal home construction patterns mean radon can accumulate differently in year-round versus vacation properties. With testing data currently limited for the 04660 area, both permanent and seasonal residents should consider radon testing.

Mount Desert, ME Radon Mitigation

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

Mount Desert, ME Radon Testing

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

Mount Desert Radon Facts

Key details about the radon risk profile for Mount Desert and the 04660 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Hancock County, ME

Zip Code

04660

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Mount Desert and the 04660 zip code are located in Hancock 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 Mount Desert, ME

What EPA Radon Zone is Mount Desert in?

Mount Desert and the 04660 zip code are in Hancock 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 Mount Desert?

Radon mitigation in Mount Desert 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 Mount Desert?

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