Sullivan, ME Radon Mitigation and Testing

Q: What EPA Radon Zone is Sullivan in?

Sullivan is in Hancock County, EPA Zone 1.

Q: How much does radon mitigation cost in Sullivan?

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

Coastal Sullivan in Hancock County lies in EPA Zone 1 along Maine's rugged Acadia region, where granite bedrock and coastal geology can produce variable radon levels depending on specific location and home construction. The area features a mix of year-round and seasonal homes, many with basement foundations carved into the rocky terrain. Testing data for zip code 04664 is limited, making radon testing advisable given Maine's granite-rich geology.

Sullivan, ME Radon Mitigation

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

Sullivan, ME Radon Testing

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

Sullivan Radon Facts

Key details about the radon risk profile for Sullivan and the 04664 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Hancock County, ME

Zip Code

04664

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Sullivan and the 04664 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 Sullivan, ME

What EPA Radon Zone is Sullivan in?

Sullivan and the 04664 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 Sullivan?

Radon mitigation in Sullivan 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 Sullivan?

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