Franklin, LA Radon Levels

Q: What EPA Radon Zone is Franklin in?

Franklin is in St Mary Parish County, EPA Zone Unknown.

Q: How much does radon mitigation cost in Franklin?

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

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

Franklin, LA Radon Facts

EPA Radon Zone Unknown Unknown

County St Mary Parish County, LA

Zip Code 70538

Located in St. Mary Parish within Louisiana's coastal region, Franklin's 70538 zip code area sits atop Mississippi River deltaic deposits and Gulf Coast sediments that typically produce lower radon levels. Testing data for this community remains limited, but the underlying geology suggests relatively low radon potential compared to other regions. However, homeowners should still consider radon testing, particularly in properties with enclosed below-grade spaces, as radon levels can vary even in areas with generally lower geological risk.

Franklin, 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 Franklin, LA

What EPA Radon Zone is Franklin in?

Franklin and the 70538 zip code are in St Mary Parish County, which has an EPA assigned Radon Zone of Unknown. A zone of Unknown does not have sufficient data for classification.

How much does radon mitigation cost in Franklin?

Radon mitigation in Franklin 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 Franklin?

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