Santa Rosa, TX Radon Mitigation and Testing

Q: What EPA Radon Zone is Santa Rosa in?

Santa Rosa is in Cameron County, EPA Zone 3.

Q: How much does radon mitigation cost in Santa Rosa?

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

Cameron County

EPA Zone 3

This small community in Cameron County near the Rio Grande Valley sits in EPA Zone 3, where Gulf Coastal Plain geology can produce moderate radon potential despite the region's generally low elevation. Limited testing data for zip code 78593 makes individual home testing important for establishing local radon patterns. The area's subtropical climate and typical slab-on-grade construction may reduce radon accumulation, but homes with enclosed foundations or additions should still be evaluated.

Santa Rosa, TX Radon Mitigation

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

Santa Rosa, TX Radon Testing

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

Santa Rosa Radon Facts

Key details about the radon risk profile for Santa Rosa and the 78593 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Cameron County, TX

Zip Code

78593

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Santa Rosa and the 78593 zip code are located in Cameron 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 Santa Rosa, TX

What EPA Radon Zone is Santa Rosa in?

Santa Rosa and the 78593 zip code are in Cameron 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 Santa Rosa?

Radon mitigation in Santa Rosa 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 Santa Rosa?

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