Port Barre, LA Radon Mitigation and Testing

Q: What EPA Radon Zone is Port Barre in?

Port Barre is in St Landry Parish County, EPA Zone Unknown.

Q: How much does radon mitigation cost in Port Barre?

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

St Landry Parish County

EPA Zone Unknown

Located in rural St. Landry Parish in south-central Louisiana, Port Barre sits atop Mississippi River alluvial deposits that typically produce minimal radon concerns. Testing data for this small community in zip code 70577 remains sparse, though residents should still consider baseline radon testing since indoor air quality can vary based on individual home construction and ventilation patterns.

Port Barre, LA Radon Mitigation

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

Port Barre, LA Radon Testing

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

Port Barre Radon Facts

Key details about the radon risk profile for Port Barre and the 70577 zip code area.

EPA Radon Zone

Unknown

County

St Landry Parish County, LA

Zip Code

70577

Predicted Screening Level

Unknown

Port Barre and the 70577 zip code are located in St Landry 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 Port Barre, LA

What EPA Radon Zone is Port Barre in?

Port Barre and the 70577 zip code are in St Landry 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 Port Barre?

Radon mitigation in Port Barre 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 Port Barre?

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