Sorrento, LA Radon Mitigation and Testing

Q: What EPA Radon Zone is Sorrento in?

Sorrento is in Ascension Parish County, EPA Zone 3.

Q: How much does radon mitigation cost in Sorrento?

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

Ascension Parish County

EPA Zone 3

Located in Ascension Parish within the Baton Rouge Metro area, Sorrento sits on Mississippi River alluvial soils that typically maintain lower radon concentrations. The community in zip code 70778 has limited testing data available, though Louisiana's Gulf Coastal Plain geology generally produces modest radon levels. Even in lower-risk areas, testing ensures accurate assessment of individual property conditions.

Sorrento, LA Radon Mitigation

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

Sorrento, LA Radon Testing

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

Sorrento Radon Facts

Key details about the radon risk profile for Sorrento and the 70778 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Ascension Parish County, LA

Zip Code

70778

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Sorrento and the 70778 zip code are located in Ascension 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 Sorrento, LA

What EPA Radon Zone is Sorrento in?

Sorrento and the 70778 zip code are in Ascension 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 Sorrento?

Radon mitigation in Sorrento 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 Sorrento?

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