Hillister, TX Radon Mitigation and Testing

Q: What EPA Radon Zone is Hillister in?

Hillister is in Tyler County, EPA Zone 3.

Q: How much does radon mitigation cost in Hillister?

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

Tyler County

EPA Zone 3

Nestled in Tyler County within East Texas's Piney Woods region, Hillister sits on Tertiary-age sediments and sandy soils that typically produce lower radon concentrations. The 77624 zip code area features a mix of rural homes and mobile homes, many built on pier-and-beam or slab foundations common to the Gulf Coast region. Testing data remains limited for this small community, though Texas generally shows moderate radon potential.

Hillister, TX Radon Mitigation

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

Hillister, TX Radon Testing

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

Hillister Radon Facts

Key details about the radon risk profile for Hillister and the 77624 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Tyler County, TX

Zip Code

77624

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Hillister and the 77624 zip code are located in Tyler 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 Hillister, TX

What EPA Radon Zone is Hillister in?

Hillister and the 77624 zip code are in Tyler 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 Hillister?

Radon mitigation in Hillister 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 Hillister?

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