Gretna, LA Radon Mitigation and Testing

Q: What EPA Radon Zone is Gretna in?

Gretna is in Jefferson Parish County, EPA Zone 3.

Q: How much does radon mitigation cost in Gretna?

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

Jefferson Parish County

EPA Zone 3

Situated in Jefferson Parish on the west bank of the Mississippi River, Gretna's alluvial soils and near-sea-level elevation typically result in very low radon potential. Limited testing data exists for zip codes 70053 and 70056 within the New Orleans metro area, consistent with the EPA Zone 3 classification. Though radon risk is generally minimal in this coastal region, residents with specific health concerns may still choose to test.

Gretna, LA Radon Mitigation

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

Gretna, LA Radon Testing

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

Gretna Radon Facts

Key details about the radon risk profile for Gretna and the 70053 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Jefferson Parish County, LA

Zip Code

70053

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Gretna and the 70053 zip code are located in Jefferson 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 Gretna, LA

What EPA Radon Zone is Gretna in?

Gretna and the 70053 zip code are in Jefferson 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 Gretna?

Radon mitigation in Gretna 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 Gretna?

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