Spring Branch, TX Radon Mitigation and Testing

Q: What EPA Radon Zone is Spring Branch in?

Spring Branch is in Comal County, EPA Zone 3.

Q: How much does radon mitigation cost in Spring Branch?

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

Comal County

EPA Zone 3

Positioned in Comal County within the San Antonio Metro area, Spring Branch sits in the Texas Hill Country where limestone bedrock can influence radon levels. The community's mix of older rural properties and newer residential development reflects the area's transition from agricultural to suburban use. With radon testing data currently limited for zip code 78070, residents should consider individual home testing to establish baseline radon levels.

Spring Branch, TX Radon Mitigation

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

Spring Branch, TX Radon Testing

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

Spring Branch Radon Facts

Key details about the radon risk profile for Spring Branch and the 78070 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Comal County, TX

Zip Code

78070

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Spring Branch and the 78070 zip code are located in Comal 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 Spring Branch, TX

What EPA Radon Zone is Spring Branch in?

Spring Branch and the 78070 zip code are in Comal 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 Spring Branch?

Radon mitigation in Spring Branch 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 Spring Branch?

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