Mullins, SC Radon Levels
Check local Mullins radon levels and find certified testing and mitigation professionals to keep your home safe
Mullins, SC Radon Facts
EPA Radon Zone
Zone 3 — Low Risk
< 2.0 pCi/L (Zone 3)
County
Marion County, SC
Zip Code
29574
Located in Marion County within South Carolina's Pee Dee region, Mullins sits on Coastal Plain sediments where sandy soils and clay layers typically produce lower radon levels. Testing data for zip code 29574 remains limited, though the EPA Zone 3 designation suggests relatively low regional risk. However, individual home testing is still recommended, especially for properties with crawl spaces or basement foundations less common but present in this agricultural community.
Mullins, SC Radon Mitigation
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Radon FAQ for Mullins, SC
What EPA Radon Zone is Mullins in?
Mullins and the 29574 zip code are in Marion 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 Mullins?
Radon mitigation in Mullins 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 Mullins?
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 |