Mandeville, LA Radon Mitigation and Testing

Q: What EPA Radon Zone is Mandeville in?

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

Q: How much does radon mitigation cost in Mandeville?

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

Positioned on the north shore of Lake Pontchartrain in St. Tammany Parish, Mandeville sits within Louisiana's coastal plain region where sandy soils and near-sea-level elevation typically result in lower radon concentrations. The community features a mix of traditional Southern homes and newer suburban developments, predominantly built on slab foundations due to the area's high water table. While radon testing data is currently limited for the 70448 zip code, homeowners may still benefit from baseline testing, particularly in any elevated or basement areas.

Mandeville, LA Radon Mitigation

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

Mandeville, LA Radon Testing

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Mandeville Radon Facts

Key details about the radon risk profile for Mandeville and the 70448 zip code area.

EPA Radon Zone

Unknown

County

St Tammany Parish County, LA

Zip Code

70448

Predicted Screening Level

Unknown

Mandeville and the 70448 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 Mandeville, LA

What EPA Radon Zone is Mandeville in?

Mandeville and the 70448 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 Mandeville?

Radon mitigation in Mandeville 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 Mandeville?

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