Lancaster, SC Radon Levels
Check local Lancaster radon levels and find certified testing and mitigation professionals to keep your home safe
Lancaster, SC Radon Facts
EPA Radon Zone
Zone 3 — Low Risk
< 2.0 pCi/L (Zone 3)
County
Lancaster County, SC
Zip Code
29720
Located in Lancaster County within the Charlotte Metro area, Lancaster sits in the Carolina Piedmont region where crystalline bedrock can contribute to moderate radon potential. Testing data remains limited for the 29720 zip code area, so homeowners should conduct professional radon testing to establish accurate readings for their properties.
Lancaster, 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 Lancaster, SC
What EPA Radon Zone is Lancaster in?
Lancaster and the 29720 zip code are in Lancaster 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 Lancaster?
Radon mitigation in Lancaster 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 Lancaster?
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 |