Geismar, LA Radon Levels
Check local Geismar radon levels and find certified testing and mitigation professionals to keep your home safe
Geismar, LA Radon Facts
EPA Radon Zone
Zone 3 — Low Risk
< 2.0 pCi/L (Zone 3)
County
Ascension Parish County, LA
Zip Code
70734
Part of the Baton Rouge Metro area, Geismar in Ascension Parish sits on Mississippi River alluvial deposits where clay soils typically limit radon accumulation. Current testing data for ZIP code 70734 is limited, though the Gulf Coast geology generally produces lower radon levels. Residents should still test their homes, particularly newer construction with tighter building envelopes that can trap any radon that does enter.
Geismar, 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 Geismar?
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1-800-299-3578
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Radon FAQ for Geismar, LA
What EPA Radon Zone is Geismar in?
Geismar and the 70734 zip code are in Ascension 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 Geismar?
Radon mitigation in Geismar 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 Geismar?
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 |