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Martindale, TX Radon Levels

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


Martindale, TX Radon Facts

EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)
County Caldwell County, TX
Zip Code 78655

Situated in Caldwell County within the Austin Metro area, Martindale lies on Texas Hill Country limestone and clay soils that generally produce lower radon concentrations. Current testing data for zip code 78655 is limited, though Texas's EPA Zone 3 classification suggests minimal radon risk across most of the region. However, homeowners should still consider testing, as limestone geology can occasionally create localized areas of elevated radon accumulation in enclosed spaces.

Martindale, TX 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 Martindale, TX

What EPA Radon Zone is Martindale in?
Martindale and the 78655 zip code are in Caldwell 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 Martindale?
Radon mitigation in Martindale 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 Martindale?
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 Texas

Cities in Texas with the most user-submitted radon test data, ranked by number of submissions.

CityAvg User Radon LevelSubmissions
Lubbock 12.70 pCi/L 10
San Antonio 6.57 pCi/L 7
Austin 6.14 pCi/L 7
Dallas 8.00 pCi/L 5
Abilene 4.50 pCi/L 2
Houston 3.50 pCi/L 2
Plano 6.00 pCi/L 1
Frisco 3.00 pCi/L 1
Nacogdoches No submissions 0