Dulac, LA Radon Mitigation and Testing

Q: What EPA Radon Zone is Dulac in?

Dulac is in Terrebonne Parish County, EPA Zone 3.

Q: How much does radon mitigation cost in Dulac?

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

Located in Terrebonne Parish within the Houma Metro area, Dulac sits in Louisiana's coastal marsh region on recent alluvial deposits that typically produce very low radon levels. With testing data limited for zip code 70353, the area's EPA Zone 3 classification and predominantly slab-on-grade construction suggest minimal radon risk. However, residents in elevated homes or those with enclosed spaces beneath should still consider testing.

Dulac, LA Radon Mitigation

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

Dulac, LA Radon Testing

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Dulac Radon Facts

Key details about the radon risk profile for Dulac and the 70353 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Terrebonne Parish County, LA

Zip Code

70353

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Dulac and the 70353 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 Dulac, LA

What EPA Radon Zone is Dulac in?

Dulac and the 70353 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 Dulac?

Radon mitigation in Dulac 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 Dulac?

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