Port Sulphur, LA Radon Mitigation and Testing

Q: What EPA Radon Zone is Port Sulphur in?

Port Sulphur is in Plaquemines Parish County, EPA Zone 3.

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

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

Plaquemines Parish County

EPA Zone 3

Port Sulphur, LA resides in Plaquemines 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. Testing is recommended for all homes in the 70083 zip code area.

Port Sulphur, LA Radon Mitigation

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

Port Sulphur, LA Radon Testing

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

Port Sulphur Radon Facts

Key details about the radon risk profile for Port Sulphur and the 70083 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Plaquemines Parish County, LA

Zip Code

70083

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Port Sulphur and the 70083 zip code are located in Plaquemines 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 Port Sulphur, LA

What EPA Radon Zone is Port Sulphur in?

Port Sulphur and the 70083 zip code are in Plaquemines 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 Port Sulphur?

Radon mitigation in Port Sulphur 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 Sulphur?

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