Chalmette, LA Radon Mitigation and Testing

Q: What EPA Radon Zone is Chalmette in?

Chalmette is in St Bernard Parish County, EPA Zone Unknown.

Q: How much does radon mitigation cost in Chalmette?

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

St Bernard Parish County

EPA Zone Unknown

Situated in St Bernard Parish within the New Orleans Metro area, Chalmette sits in Louisiana's coastal plain where alluvial deposits typically result in lower radon levels. The community's housing stock, rebuilt extensively after Hurricane Katrina, predominantly features slab-on-grade construction elevated above flood levels. While testing data for zip code 70043 is currently unavailable, the region's geological characteristics generally indicate lower radon risk compared to other parts of the country.

Chalmette, LA Radon Mitigation

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

Chalmette, LA Radon Testing

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

Chalmette Radon Facts

Key details about the radon risk profile for Chalmette and the 70043 zip code area.

EPA Radon Zone

Unknown

County

St Bernard Parish County, LA

Zip Code

70043

Predicted Screening Level

Unknown

Chalmette and the 70043 zip code are located in St Bernard 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 Chalmette, LA

What EPA Radon Zone is Chalmette in?

Chalmette and the 70043 zip code are in St Bernard 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 Chalmette?

Radon mitigation in Chalmette 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 Chalmette?

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