Sullivan, ME Radon Levels
Check local Sullivan radon levels and find certified testing and mitigation professionals to keep your home safe
Sullivan, ME Radon Facts
EPA Radon Zone
Zone 1 — High Risk
> 4.0 pCi/L (Zone 1)
County
Hancock County, ME
Zip Code
04664
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.
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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 in Maine with the most user-submitted radon test data, ranked by number of submissions.
| City | Avg User Radon Level | Submissions |
|---|---|---|
| Rumford | 6.00 pCi/L | 4 |
| 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 |