Clio, SC Radon Levels
Check local Clio radon levels and find certified testing and mitigation professionals to keep your home safe
Clio, SC Radon Facts
EPA Radon Zone
Zone 3 — Low Risk
< 2.0 pCi/L (Zone 3)
County
Marlboro County, SC
Zip Code
29525
Rural Clio in Marlboro County (29525) occupies South Carolina's Coastal Plain region, where radon levels are typically lower than in the state's mountainous areas. Current radon testing data is limited for this community, though the area's sandy soils and sedimentary geology generally present moderate radon risk. Homeowners should still conduct testing to establish their property's specific radon profile.
Clio, SC 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 Clio, SC
What EPA Radon Zone is Clio in?
Clio and the 29525 zip code are in Marlboro 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 Clio?
Radon mitigation in Clio 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 Clio?
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 South Carolina
Cities in South Carolina with the most user-submitted radon test data, ranked by number of submissions.
| City | Avg User Radon Level | Submissions |
|---|---|---|
| Fort Mill | 6.00 pCi/L | 1 |
| Greenville | 5.00 pCi/L | 1 |