Gonzales, LA Radon Mitigation and Testing

Q: What EPA Radon Zone is Gonzales in?

Gonzales is in Ascension Parish County, EPA Zone 3.

Q: How much does radon mitigation cost in Gonzales?

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

Positioned in Ascension Parish along the Mississippi River corridor near Baton Rouge, Gonzales sits on river terrace deposits and coastal plain sediments. Testing data for the 70737 zip code is currently limited, encouraging homeowners to establish individual radon measurements through professional testing. The area's alluvial soils and sedimentary geology typically result in moderate radon potential.

Gonzales, LA Radon Mitigation

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

Gonzales, LA Radon Testing

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

Gonzales Radon Facts

Key details about the radon risk profile for Gonzales and the 70737 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Ascension Parish County, LA

Zip Code

70737

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Gonzales and the 70737 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 Gonzales, LA

What EPA Radon Zone is Gonzales in?

Gonzales and the 70737 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 Gonzales?

Radon mitigation in Gonzales 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 Gonzales?

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