Mcallen, TX Radon Mitigation and Testing

Q: What EPA Radon Zone is Mcallen in?

Mcallen is in Hidalgo County, EPA Zone 3.

Q: How much does radon mitigation cost in Mcallen?

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

Located in Hidalgo County at the heart of the McAllen Metro area, this Rio Grande Valley city sits on alluvial deposits that typically produce very low radon levels. The region's subtropical climate and primarily slab-on-grade construction in zip code 78501 generally minimize radon accumulation risks. While testing data remains limited, the geological conditions and EPA Zone 3 designation suggest lower radon potential, though homeowners may still benefit from baseline testing.

Mcallen, TX Radon Mitigation

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

Mcallen, TX Radon Testing

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

Mcallen Radon Facts

Key details about the radon risk profile for Mcallen and the 78501 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Hidalgo County, TX

Zip Code

78501

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Mcallen and the 78501 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 Mcallen, TX

What EPA Radon Zone is Mcallen in?

Mcallen and the 78501 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 Mcallen?

Radon mitigation in Mcallen 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 Mcallen?

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