Caddo, TX Radon Mitigation and Testing

Q: What EPA Radon Zone is Caddo in?

Caddo is in Stephens County, EPA Zone 3.

Q: How much does radon mitigation cost in Caddo?

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

Stephens County

EPA Zone 3

Positioned in Stephens County in north-central Texas, Caddo (76429) sits atop Pennsylvanian-age limestone and shale formations that can contribute to radon accumulation. With limited testing data currently available for this rural community, homeowners should prioritize radon measurement to understand their individual risk levels. The area's older homes with crawl spaces and pier foundations may show varying radon concentrations.

Caddo, TX Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

Caddo, TX Radon Testing

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

Caddo Radon Facts

Key details about the radon risk profile for Caddo and the 76429 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Stephens County, TX

Zip Code

76429

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Caddo and the 76429 zip code are located in Stephens 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 Caddo, TX

What EPA Radon Zone is Caddo in?

Caddo and the 76429 zip code are in Stephens 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 Caddo?

Radon mitigation in Caddo 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 Caddo?

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