Somerset, TX Radon Mitigation and Testing

Q: What EPA Radon Zone is Somerset in?

Somerset is in Atascosa County, EPA Zone 3.

Q: How much does radon mitigation cost in Somerset?

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

Atascosa County

EPA Zone 3

Somerset in Atascosa County sits within the San Antonio metro area, where the underlying geology of limestone and clay soils typically results in lower radon levels. However, radon testing data for this community remains limited, making it difficult to establish local patterns. Homeowners in Somerset should still test their properties, as individual homes can vary significantly from regional averages.

Somerset, TX Radon Mitigation

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

Somerset, TX Radon Testing

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

Somerset Radon Facts

Key details about the radon risk profile for Somerset and the 78069 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Atascosa County, TX

Zip Code

78069

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Somerset and the 78069 zip code are located in Atascosa 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 Somerset, TX

What EPA Radon Zone is Somerset in?

Somerset and the 78069 zip code are in Atascosa 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 Somerset?

Radon mitigation in Somerset 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 Somerset?

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