Florence, SC Radon Levels
Check local Florence radon levels and find certified testing and mitigation professionals to keep your home safe
Florence, SC Radon Facts
EPA Radon Zone
Zone 3 — Low Risk
< 2.0 pCi/L (Zone 3)
County
Florence County, SC
Zip Code
29501
As the county seat of Florence County in South Carolina's Pee Dee region, Florence sits atop Coastal Plain sediments that generally produce lower radon concentrations. Testing data across zip codes 29501, 29505, and 29506 remains limited, encouraging residents to establish baseline radon measurements for their individual properties.
Florence, 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 Florence, SC
What EPA Radon Zone is Florence in?
Florence and the 29501 zip code are in Florence 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 Florence?
Radon mitigation in Florence 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 Florence?
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 |