Islandton, SC Radon Mitigation and Testing

Q: What EPA Radon Zone is Islandton in?

Islandton is in Colleton County, EPA Zone 3.

Q: How much does radon mitigation cost in Islandton?

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

Colleton County

EPA Zone 3

Situated in Colleton County within South Carolina's Lowcountry region, Islandton sits on Atlantic coastal plain sediments that typically produce lower radon levels. Testing data for this rural community remains limited, though South Carolina residents should consider radon testing in zip code 29929. The area features predominantly older rural homes and mobile homes with various foundation configurations.

Islandton, SC Radon Mitigation

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

Islandton, SC Radon Testing

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

Islandton Radon Facts

Key details about the radon risk profile for Islandton and the 29929 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Colleton County, SC

Zip Code

29929

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Islandton and the 29929 zip code are located in Colleton 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 Islandton, SC

What EPA Radon Zone is Islandton in?

Islandton and the 29929 zip code are in Colleton 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 Islandton?

Radon mitigation in Islandton 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 Islandton?

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