Houma, LA Radon Mitigation and Testing

Q: What EPA Radon Zone is Houma in?

Houma is in Terrebonne Parish County, EPA Zone 3.

Q: How much does radon mitigation cost in Houma?

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

Terrebonne Parish County

EPA Zone 3

Situated in Terrebonne Parish along Louisiana's coastal plain, Houma sits on Mississippi River delta sediments and alluvial deposits that typically produce lower radon levels. The region's housing stock includes elevated Creole cottages, ranch-style homes, and newer construction adapted to the subtropical climate and flood-prone terrain. While radon testing data for zip codes 70360, 70363, and 70364 is currently limited, coastal Louisiana homeowners should still test since individual properties can vary significantly from regional averages.

Houma, LA Radon Mitigation

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

Houma, LA Radon Testing

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

Houma Radon Facts

Key details about the radon risk profile for Houma and the 70360 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Terrebonne Parish County, LA

Zip Code

70360

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Houma and the 70360 zip code are located in Terrebonne 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 Houma, LA

What EPA Radon Zone is Houma in?

Houma and the 70360 zip code are in Terrebonne 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 Houma?

Radon mitigation in Houma 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 Houma?

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