Plum Branch, SC Radon Mitigation and Testing

Q: What EPA Radon Zone is Plum Branch in?

Plum Branch is in McCormick County, EPA Zone 3.

Q: How much does radon mitigation cost in Plum Branch?

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

McCormick County

EPA Zone 3

Plum Branch, SC resides in McCormick 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 29845 zip code area.

Plum Branch, SC Radon Mitigation

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

Plum Branch, SC Radon Testing

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

Plum Branch Radon Facts

Key details about the radon risk profile for Plum Branch and the 29845 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

McCormick County, SC

Zip Code

29845

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Plum Branch and the 29845 zip code are located in McCormick 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 Plum Branch, SC

What EPA Radon Zone is Plum Branch in?

Plum Branch and the 29845 zip code are in McCormick 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 Plum Branch?

Radon mitigation in Plum Branch 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 Plum Branch?

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