Ninety Six, SC Radon Mitigation and Testing

Q: What EPA Radon Zone is Ninety Six in?

Ninety Six is in Greenwood County, EPA Zone 3.

Q: How much does radon mitigation cost in Ninety Six?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

Greenwood County

EPA Zone 3

Located in Greenwood County within South Carolina's Piedmont region, Ninety Six sits on crystalline bedrock that typically produces lower radon levels than sedimentary formations. However, local geological variations and housing characteristics can still create elevated readings in individual homes. Testing data remains limited for zip code 29666, making professional radon testing essential for homeowners seeking to understand their specific exposure risk.

Ninety Six, SC Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

Ninety Six, SC Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Ninety Six Radon Facts

Key details about the radon risk profile for Ninety Six and the 29666 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Greenwood County, SC

Zip Code

29666

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Ninety Six and the 29666 zip code are located in Greenwood County, which has an EPA assigned Radon Zone of 3. A radon zone of 3 predicts an average indoor radon screening level less than 2 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Ninety Six, SC

What EPA Radon Zone is Ninety Six in?

Ninety Six and the 29666 zip code are in Greenwood 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 Ninety Six?

Radon mitigation in Ninety Six 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 Ninety Six?

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 with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Fort Mill	6.00 pCi/L	1
Greenville	5.00 pCi/L	1