Dayton, TX Radon Mitigation and Testing

Q: What EPA Radon Zone is Dayton in?

Dayton is in Liberty County, EPA Zone 3.

Q: How much does radon mitigation cost in Dayton?

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

Liberty County

EPA Zone 3

Positioned in Liberty County within the Houston Metro's eastern reaches, Dayton sits on Gulf Coastal Plain sediments that typically produce lower radon levels. However, testing data remains limited for this East Texas community, and the area's clay soils can occasionally trap radon gas. Homeowners should conduct professional testing, particularly in homes with pier-and-beam or slab foundation construction typical of the region.

Dayton, TX Radon Mitigation

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

Dayton, TX Radon Testing

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

Dayton Radon Facts

Key details about the radon risk profile for Dayton and the 77535 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Liberty County, TX

Zip Code

77535

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Dayton and the 77535 zip code are located in Liberty 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 Dayton, TX

What EPA Radon Zone is Dayton in?

Dayton and the 77535 zip code are in Liberty 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 Dayton?

Radon mitigation in Dayton 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 Dayton?

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