Sherman, TX Radon Mitigation and Testing

Q: What EPA Radon Zone is Sherman in?

Sherman is in Grayson County, EPA Zone 3.

Q: How much does radon mitigation cost in Sherman?

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

Grayson County

EPA Zone 3

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.

Sherman, TX Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Sherman Radon Facts

Key details about the radon risk profile for Sherman and the 75090 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Grayson County, TX

Zip Code

75090

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Sherman and the 75090 zip code are located in Grayson County, which has an EPA assigned Radon Zone of 3. A radon zone of 3 predicts an average indoor radon screening level less than 2 pCi/L. The EPA recommends testing every home regardless of zone classification.

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 with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Lubbock	12.67 pCi/L	9
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