Lewiston, ME Radon Levels
Check local Lewiston radon levels and find certified testing and mitigation professionals to keep your home safe
Lewiston, ME Radon Facts
EPA Radon Zone
Zone 1 — High Risk
> 4.0 pCi/L (Zone 1)
County
Androscoggin County, ME
Zip Code
04240
Maine's second-largest city, located in Androscoggin County, Lewiston sits in an area where New England's granite bedrock can contribute to radon accumulation in homes. Testing data for zip code 04240 remains limited, making individual home radon testing particularly important given Maine's geological conditions. The city's mix of historic mill housing and modern developments, many with basement foundations, creates varied conditions where radon testing should be prioritized.
Lewiston, 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 Lewiston, ME
What EPA Radon Zone is Lewiston in?
Lewiston and the 04240 zip code are in Androscoggin 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 Lewiston?
Radon mitigation in Lewiston 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 Lewiston?
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 |