Houma, LA Radon Levels

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.

Check local Houma radon levels and find certified testing and mitigation professionals to keep your home safe

Houma, LA Radon Facts

EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)

County Terrebonne Parish County, LA

Zip Code 70360

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.

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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 in Louisiana with the most user-submitted radon test data, ranked by number of submissions.

City	Avg User Radon Level	Submissions
New Orleans	8.00 pCi/L	1