Ulmer, SC Radon Mitigation and Testing

Q: What EPA Radon Zone is Ulmer in?

Ulmer is in Allendale County, EPA Zone 3.

Q: How much does radon mitigation cost in Ulmer?

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

Allendale County

EPA Zone 3

Positioned in Allendale County within South Carolina's Coastal Plain region, Ulmer sits on Cretaceous and Tertiary sediments that typically produce lower radon concentrations statewide. Although specific testing data for the 29849 area is currently unavailable, homeowners should still consider radon assessment as a precautionary measure. The area's predominantly single-story housing stock and slab-on-grade construction may limit radon accumulation compared to basement construction.

Ulmer, SC Radon Mitigation

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

Ulmer, SC Radon Testing

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

Ulmer Radon Facts

Key details about the radon risk profile for Ulmer and the 29849 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Allendale County, SC

Zip Code

29849

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Ulmer and the 29849 zip code are located in Allendale 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 Ulmer, SC

What EPA Radon Zone is Ulmer in?

Ulmer and the 29849 zip code are in Allendale 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 Ulmer?

Radon mitigation in Ulmer 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 Ulmer?

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