Madisonville, LA Radon Mitigation and Testing

Q: What EPA Radon Zone is Madisonville in?

Madisonville is in St Tammany Parish County, EPA Zone Unknown.

Q: How much does radon mitigation cost in Madisonville?

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

St Tammany Parish County

EPA Zone Unknown

Situated in St. Tammany Parish within the Slidell metropolitan area, Madisonville benefits from Louisiana's typically low radon environment due to Gulf Coast sediments and high groundwater tables. The area's predominantly slab-on-grade construction and alluvial soils generally result in minimal radon accumulation. With limited testing data available for the 70447 area, homeowners may still want to consider radon testing, particularly in elevated or well-ventilated properties where conditions might vary.

Madisonville, LA Radon Mitigation

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

Madisonville, LA Radon Testing

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

Madisonville Radon Facts

Key details about the radon risk profile for Madisonville and the 70447 zip code area.

EPA Radon Zone

Unknown

County

St Tammany Parish County, LA

Zip Code

70447

Predicted Screening Level

Unknown

Madisonville and the 70447 zip code are located in St Tammany Parish County, which has an EPA assigned Radon Zone of Unknown. A radon zone of Unknown does not have sufficient data for classification. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Madisonville, LA

What EPA Radon Zone is Madisonville in?

Madisonville and the 70447 zip code are in St Tammany Parish County, which has an EPA assigned Radon Zone of Unknown. A zone of Unknown does not have sufficient data for classification.

How much does radon mitigation cost in Madisonville?

Radon mitigation in Madisonville 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 Madisonville?

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