Hillsboro, TX Radon Mitigation and Testing

Q: What EPA Radon Zone is Hillsboro in?

Hillsboro is in Hill County, EPA Zone 3.

Q: How much does radon mitigation cost in Hillsboro?

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

Hill County

EPA Zone 3

Nestled in Hill County along the Blackland Prairie region of central Texas, this small city sits on deep clay soils over limestone bedrock. With limited radon testing data available for zip code 76645, homeowners are encouraged to test their properties to determine individual radon exposure levels.

Hillsboro, TX Radon Mitigation

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

Hillsboro, TX Radon Testing

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

Hillsboro Radon Facts

Key details about the radon risk profile for Hillsboro and the 76645 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Hill County, TX

Zip Code

76645

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Hillsboro and the 76645 zip code are located in Hill 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 Hillsboro, TX

What EPA Radon Zone is Hillsboro in?

Hillsboro and the 76645 zip code are in Hill 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 Hillsboro?

Radon mitigation in Hillsboro 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 Hillsboro?

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