Patterson, LA Radon Levels

Q: What EPA Radon Zone is Patterson in?

Patterson is in St. Mary Parish County, EPA Zone 3.

Q: How much does radon mitigation cost in Patterson?

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

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

Patterson, LA Radon Facts

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

County St. Mary Parish County, LA

Zip Code 70392

Situated in St. Mary Parish in south-central Louisiana, Patterson lies within the Mississippi River Delta region where alluvial soils and high water tables typically result in lower radon concentrations. Testing data for the 70392 zip code area is currently limited, but the region's deltaic geology and coastal proximity generally create conditions unfavorable for radon accumulation. However, professional testing provides valuable baseline information for homeowners, particularly in elevated structures common to flood-prone areas.

Patterson, LA Radon Mitigation

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

Need Radon Mitigation or Testing in Patterson?

100% Free, No-Obligation Quotes
Matches You with State-Licensed St. Mary Parish County Pros

1-800-299-3578 Toll-free · Mon–Fri 8am–6pm ET

Radon FAQ for Patterson, LA

What EPA Radon Zone is Patterson in?

Patterson and the 70392 zip code are in St. Mary 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 Patterson?

Radon mitigation in Patterson 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 Patterson?

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