Calais, ME Radon Levels
Check local Calais radon levels and find certified testing and mitigation professionals to keep your home safe
Calais, ME Radon Facts
EPA Radon Zone
Zone 2 — Moderate Risk
2–4 pCi/L (Zone 2)
County
Washington County, ME
Zip Code
04619
Positioned along the Canadian border in eastern Washington County, Calais sits atop granite bedrock formations characteristic of coastal Maine's geological landscape. The community's housing stock includes many older homes with stone foundations that could facilitate radon entry from the underlying bedrock. Since testing data for zip code 04619 remains limited, residents should test their homes to understand their individual radon exposure risk.
Calais, 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 Calais, ME
What EPA Radon Zone is Calais in?
Calais and the 04619 zip code are in Washington 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 Calais?
Radon mitigation in Calais 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 Calais?
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 |