Castor, LA Radon Mitigation and Testing

Q: What EPA Radon Zone is Castor in?

Castor is in Bienville Parish County, EPA Zone 3.

Q: How much does radon mitigation cost in Castor?

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

Bienville Parish County

EPA Zone 3

Found in Bienville Parish of northern Louisiana, Castor sits atop Tertiary-age sediments and coastal plain formations that typically produce lower radon levels. Current testing data for the 71016 zip code area is limited, though the region's geology generally indicates reduced radon risk. Homeowners should still consider testing, especially in homes with enclosed crawl spaces or basement areas.

Castor, LA Radon Mitigation

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

Castor, LA Radon Testing

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

Castor Radon Facts

Key details about the radon risk profile for Castor and the 71016 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Bienville Parish County, LA

Zip Code

71016

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Castor and the 71016 zip code are located in Bienville 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 Castor, LA

What EPA Radon Zone is Castor in?

Castor and the 71016 zip code are in Bienville 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 Castor?

Radon mitigation in Castor 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 Castor?

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