Lancaster, SC Radon Mitigation and Testing

Q: What EPA Radon Zone is Lancaster in?

Lancaster is in Lancaster County, EPA Zone 3.

Q: How much does radon mitigation cost in Lancaster?

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

Lancaster County

EPA Zone 3

Lancaster, SC resides 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. Testing is recommended for all homes in the 29720 zip code area.

Lancaster, SC Radon Mitigation

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

Lancaster, SC Radon Testing

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

Lancaster Radon Facts

Key details about the radon risk profile for Lancaster and the 29720 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Lancaster County, SC

Zip Code

29720

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Lancaster and the 29720 zip code are located in Lancaster 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 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 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