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Sherman, TX Radon Levels

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


Sherman, TX Radon Facts

EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)
County Grayson County, TX
Zip Code 75090

Sherman anchors Grayson County in North Texas, where the region's clay soils and underlying limestone formations create generally lower radon potential reflected in its EPA Zone 3 designation. The community features diverse housing from historic downtown structures to modern suburban developments, with slab-on-grade construction predominating in the Texas climate. Despite limited testing data for zip codes 75090 and 75092, occasional testing remains wise given individual home variations.

Sherman, 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 Sherman, TX

What EPA Radon Zone is Sherman in?
Sherman and the 75090 zip code are in Grayson 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 Sherman?
Radon mitigation in Sherman 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 Sherman?
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