Alamo, TX Radon Mitigation and Testing

Q: What EPA Radon Zone is Alamo in?

Alamo is in Hidalgo County, EPA Zone 3.

Q: How much does radon mitigation cost in Alamo?

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 within the McAllen Metro area, Alamo sits in the Rio Grande Valley where sandy river delta soils typically keep radon levels low. Testing data remains sparse for the 78516 zip code, but the region's slab-on-grade construction and geological conditions generally favor minimal radon accumulation.

Alamo, TX Radon Mitigation

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

Alamo, TX Radon Testing

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

Alamo Radon Facts

Key details about the radon risk profile for Alamo and the 78516 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Hidalgo County, TX

Zip Code

78516

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Alamo and the 78516 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 Alamo, TX

What EPA Radon Zone is Alamo in?

Alamo and the 78516 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 Alamo?

Radon mitigation in Alamo 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 Alamo?

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