Sullivan City, TX Radon Mitigation and Testing

Q: What EPA Radon Zone is Sullivan City in?

Sullivan City is in Hidalgo County, EPA Zone 3.

Q: How much does radon mitigation cost in Sullivan City?

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

Hidalgo County

EPA Zone 3

Sullivan City in Hidalgo County benefits from the Rio Grande Valley's generally lower radon risk profile, with sandy soils and warm climate conditions reducing typical accumulation. However, testing data for zip code 78595 is currently limited, so homeowners should still consider radon testing as a precaution. The area's mix of slab-on-grade construction and mobile homes typically shows lower radon levels than basement-equipped homes found elsewhere.

Sullivan City, TX Radon Mitigation

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

Sullivan City, TX Radon Testing

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

Sullivan City Radon Facts

Key details about the radon risk profile for Sullivan City and the 78595 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Hidalgo County, TX

Zip Code

78595

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Sullivan City and the 78595 zip code are located in Hidalgo 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 Sullivan City, TX

What EPA Radon Zone is Sullivan City in?

Sullivan City and the 78595 zip code are in Hidalgo 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 Sullivan City?

Radon mitigation in Sullivan City 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 Sullivan City?

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