Hollister, OK Radon Mitigation and Testing

Q: What EPA Radon Zone is Hollister in?

Hollister is in Tillman County, EPA Zone 3.

Q: How much does radon mitigation cost in Hollister?

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

Tillman County

EPA Zone 3

Located in Tillman County near the Texas border, Hollister sits on Oklahoma's southern plains where Permian-era rock formations create the regional geological foundation. With radon testing data currently unavailable for zip code 73551, residents should establish baseline readings through professional home testing. The area's predominantly single-story homes with concrete slab foundations reflect construction practices suited to the region's clay soils and tornado-prone climate.

Hollister, OK Radon Mitigation

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

Hollister, OK Radon Testing

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

Hollister Radon Facts

Key details about the radon risk profile for Hollister and the 73551 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Tillman County, OK

Zip Code

73551

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Hollister and the 73551 zip code are located in Tillman 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 Hollister, OK

What EPA Radon Zone is Hollister in?

Hollister and the 73551 zip code are in Tillman 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 Hollister?

Radon mitigation in Hollister 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 Hollister?

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 Oklahoma

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Tulsa	8.14 pCi/L	7
Oklahoma City	7.00 pCi/L	1
Edmond	5.00 pCi/L	1