Challis, ID Radon Levels
Check local Challis radon levels and find certified testing and mitigation professionals to keep your home safe
Challis, ID Radon Facts
EPA Radon Zone
Zone 1 — High Risk
> 4.0 pCi/L (Zone 1)
County
Custer County, ID
Zip Code
83226
High in Idaho's mountains, Challis in Custer County occupies terrain where granite and volcanic formations create variable radon conditions throughout this remote region. The community's housing stock consists primarily of older homes and cabins, many with crawl space or partial basement foundations that may concentrate radon differently than conventional basements. Testing data for zip code 83226 remains limited, making individual home testing essential for residents seeking to understand their radon exposure.
Challis, ID Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Need Radon Mitigation or Testing in Challis?
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1-800-299-3578
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Radon FAQ for Challis, ID
What EPA Radon Zone is Challis in?
Challis and the 83226 zip code are in Custer 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 Challis?
Radon mitigation in Challis 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 Challis?
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 Idaho
Cities in Idaho with the most user-submitted radon test data, ranked by number of submissions.
| City | Avg User Radon Level | Submissions |
|---|---|---|
| Idaho Falls | 7.29 pCi/L | 7 |
| Hailey | 7.83 pCi/L | 6 |
| Post Falls | 9.00 pCi/L | 5 |
| Coeur D Alene | 9.00 pCi/L | 4 |
| Moscow | 7.75 pCi/L | 4 |
| Victor | 6.67 pCi/L | 3 |
| Driggs | 16.00 pCi/L | 2 |
| Hayden | 8.50 pCi/L | 2 |
| Pocatello | 8.50 pCi/L | 2 |
| Eagle | 6.00 pCi/L | 1 |