Wallis, TX Radon Mitigation and Testing

Q: What EPA Radon Zone is Wallis in?

Wallis is in Austin County, EPA Zone 3.

Q: How much does radon mitigation cost in Wallis?

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

Austin County

EPA Zone 3

Located in Austin County within the Houston Metro region, Wallis sits on Texas Gulf Coastal Plain sediments that typically produce lower radon concentrations than inland areas. Testing data for zip code 77485 is currently unavailable, though the area's EPA Zone 3 classification suggests generally lower radon risk for local residents. Individual home testing remains recommended, particularly for properties with unusual foundation types or those situated on elevated terrain where geological conditions might differ.

Wallis, TX Radon Mitigation

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

Wallis, TX Radon Testing

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

Wallis Radon Facts

Key details about the radon risk profile for Wallis and the 77485 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Austin County, TX

Zip Code

77485

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Wallis and the 77485 zip code are located in Austin 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 Wallis, TX

What EPA Radon Zone is Wallis in?

Wallis and the 77485 zip code are in Austin 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 Wallis?

Radon mitigation in Wallis 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 Wallis?

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