Tenants Harbor, ME Radon Levels
Check local Tenants Harbor radon levels and find certified testing and mitigation professionals to keep your home safe
Tenants Harbor, ME Radon Facts
EPA Radon Zone
Zone 2 — Moderate Risk
2–4 pCi/L (Zone 2)
County
Knox County, ME
Zip Code
04860
Positioned along Maine's rugged coast in Knox County, Tenants Harbor's granite bedrock and glacial till deposits create geological conditions that can support moderate radon levels in area homes. Many properties feature traditional New England construction with stone foundations or partial basements that may allow radon entry. Given the limited testing data currently available for zip code 04860, coastal residents are encouraged to test their homes to understand their specific radon exposure risk.
Tenants Harbor, 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 Tenants Harbor, ME
What EPA Radon Zone is Tenants Harbor in?
Tenants Harbor and the 04860 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 Tenants Harbor?
Radon mitigation in Tenants Harbor 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 Tenants Harbor?
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 |