Columbia, AL Radon Mitigation and Testing

Q: What EPA Radon Zone is Columbia in?

Columbia is in Henry County, EPA Zone 3.

Q: How much does radon mitigation cost in Columbia?

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

Henry County

EPA Zone 3

Situated in southeastern Alabama's Henry County, Columbia lies within the Coastal Plain region where sandy sediments and low-grade metamorphic rocks typically produce minimal radon emissions. The 36319 zip code area, part of the broader Dothan metro region, features primarily single-story homes with slab-on-grade foundations common to Gulf Coast construction. While testing data remains limited, the geological setting suggests generally low radon potential, though individual property assessment provides the most reliable evaluation.

Columbia, AL Radon Mitigation

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

Columbia, AL Radon Testing

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

Columbia Radon Facts

Key details about the radon risk profile for Columbia and the 36319 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Henry County, AL

Zip Code

36319

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Columbia and the 36319 zip code are located in Henry 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 Columbia, AL

What EPA Radon Zone is Columbia in?

Columbia and the 36319 zip code are in Henry 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 Columbia?

Radon mitigation in Columbia 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 Columbia?

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 Alabama

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

City	Avg User Radon Level	Submissions
Huntsville	9.00 pCi/L	2
Birmingham	7.00 pCi/L	2
Madison	4.00 pCi/L	1