Gilliam, LA Radon Mitigation and Testing

Q: What EPA Radon Zone is Gilliam in?

Gilliam is in Caddo Parish County, EPA Zone 3.

Q: How much does radon mitigation cost in Gilliam?

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

Caddo Parish County

EPA Zone 3

Part of the Shreveport Metro in Caddo Parish, Gilliam sits over Gulf Coastal Plain sediments typical of northwestern Louisiana. The area's EPA Zone 3 classification indicates the lowest radon potential, and testing data for ZIP 71029 is currently limited. While radon risk is generally lower in coastal plain regions, homeowners should still consider testing since soil conditions can vary locally.

Gilliam, LA Radon Mitigation

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

Gilliam, LA Radon Testing

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

Gilliam Radon Facts

Key details about the radon risk profile for Gilliam and the 71029 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Caddo Parish County, LA

Zip Code

71029

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Gilliam and the 71029 zip code are located in Caddo 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 Gilliam, LA

What EPA Radon Zone is Gilliam in?

Gilliam and the 71029 zip code are in Caddo 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 Gilliam?

Radon mitigation in Gilliam 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 Gilliam?

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