Natchitoches, LA Radon Mitigation and Testing

Q: What EPA Radon Zone is Natchitoches in?

Natchitoches is in Natchitoches Parish County, EPA Zone 3.

Q: How much does radon mitigation cost in Natchitoches?

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

Natchitoches Parish County

EPA Zone 3

Historic Natchitoches in Natchitoches Parish sits along the Red River in Louisiana's northwestern region, where sandy soils and sedimentary formations generally produce lower radon readings. Testing data for zip code 71457 remains sparse, though Louisiana's coastal plain geology typically shows minimal radon risk statewide. Homeowners should still consider baseline testing, particularly in older homes where foundation settling might create new pathways for soil gas infiltration.

Natchitoches, LA Radon Mitigation

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

Natchitoches, LA Radon Testing

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

Natchitoches Radon Facts

Key details about the radon risk profile for Natchitoches and the 71457 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Natchitoches Parish County, LA

Zip Code

71457

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Natchitoches and the 71457 zip code are located in Natchitoches 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 Natchitoches, LA

What EPA Radon Zone is Natchitoches in?

Natchitoches and the 71457 zip code are in Natchitoches 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 Natchitoches?

Radon mitigation in Natchitoches 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 Natchitoches?

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