Stephenville, TX Radon Mitigation and Testing

Q: What EPA Radon Zone is Stephenville in?

Stephenville is in Erath County, EPA Zone 3.

Q: How much does radon mitigation cost in Stephenville?

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

Erath County

EPA Zone 3

Central Texas's Stephenville sits in Erath County atop Glen Rose limestone formations typical of the region's ranching country. Testing data for zip code 76401 isn't currently comprehensive, but the limestone bedrock creates moderate radon potential across the area. Professional testing remains important for homeowners to assess individual property conditions in this geological setting.

Stephenville, TX Radon Mitigation

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

Stephenville, TX Radon Testing

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

Stephenville Radon Facts

Key details about the radon risk profile for Stephenville and the 76401 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Erath County, TX

Zip Code

76401

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Stephenville and the 76401 zip code are located in Erath 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 Stephenville, TX

What EPA Radon Zone is Stephenville in?

Stephenville and the 76401 zip code are in Erath 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 Stephenville?

Radon mitigation in Stephenville 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 Stephenville?

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