Zwolle, LA Radon Mitigation and Testing

Q: What EPA Radon Zone is Zwolle in?

Zwolle is in Sabine Parish County, EPA Zone 3.

Q: How much does radon mitigation cost in Zwolle?

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

Sabine Parish County

EPA Zone 3

Located in western Louisiana's Sabine Parish near the Texas border, Zwolle sits in EPA Zone 3 where radon levels are typically lower than national averages. The region's sandy soils and pine forest environment, characteristic of the Gulf Coastal Plain, generally provide natural ventilation that prevents radon accumulation in homes throughout zip code 71486. Though testing data remains limited for this rural community, the geological conditions suggest relatively low radon potential.

Zwolle, LA Radon Mitigation

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

Zwolle, LA Radon Testing

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

Zwolle Radon Facts

Key details about the radon risk profile for Zwolle and the 71486 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Sabine Parish County, LA

Zip Code

71486

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Zwolle and the 71486 zip code are located in Sabine Parish 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 Zwolle, LA

What EPA Radon Zone is Zwolle in?

Zwolle and the 71486 zip code are in Sabine Parish 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 Zwolle?

Radon mitigation in Zwolle 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 Zwolle?

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 Louisiana

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

City	Avg User Radon Level	Submissions
New Orleans	8.00 pCi/L	1