Ashton, ID Radon Levels
Check local Ashton radon levels and find certified testing and mitigation professionals to keep your home safe
Ashton, ID Radon Facts
EPA Radon Zone
Zone 1 — High Risk
> 4.0 pCi/L (Zone 1)
County
Fremont County, ID
Zip Code
83420
Nestled in Fremont County in southeastern Idaho near Yellowstone, this community is designated EPA Zone 1 for high radon potential. Limited testing data is available for the 83420 zip code area, making individual home testing crucial for residents. The region's volcanic geology and high-altitude location can contribute to variable radon conditions that require professional assessment.
Ashton, 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 Ashton?
- 100% Free, No-Obligation Quotes
- Matches You with State-Licensed Fremont County Pros
1-800-299-3578
Toll-free · Mon–Fri 8am–6pm ET
Radon FAQ for Ashton, ID
What EPA Radon Zone is Ashton in?
Ashton and the 83420 zip code are in Fremont 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 Ashton?
Radon mitigation in Ashton 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 Ashton?
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 |