Charleston, AR Radon Levels
Check local Charleston radon levels and find certified testing and mitigation professionals to keep your home safe
Charleston, AR Radon Facts
EPA Radon Zone
Zone 3 — Low Risk
< 2.0 pCi/L (Zone 3)
County
Franklin County, AR
Zip Code
72933
Nestled in the Arkansas River valley within Franklin County, Charleston sits where Ouachita Mountain geology meets river valley sediments, creating variable radon potential across the community. The area's diverse housing stock ranges from historic homes to newer construction, each presenting different foundation characteristics that can influence radon accumulation. Since local testing data remains limited, residents should conduct individual home testing to determine their property's radon risk.
Charleston, AR 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 Charleston?
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Radon FAQ for Charleston, AR
What EPA Radon Zone is Charleston in?
Charleston and the 72933 zip code are in Franklin County, which has an EPA assigned Radon Zone of 3. A zone of 3 predicts an average indoor radon screening level less than 2 pCi/L.
How much does radon mitigation cost in Charleston?
Radon mitigation in Charleston 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 Charleston?
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 Arkansas
Cities in Arkansas with the most user-submitted radon test data, ranked by number of submissions.
| City | Avg User Radon Level | Submissions |
|---|---|---|
| Hot Springs Village | 11.60 pCi/L | 5 |
| Bentonville | 4.00 pCi/L | 4 |
| Bella Vista | 13.67 pCi/L | 3 |
| Little Rock | 7.00 pCi/L | 1 |