Comstock, TX Radon Mitigation and Testing

Q: What EPA Radon Zone is Comstock in?

Comstock is in Val Verde County, EPA Zone 3.

Q: How much does radon mitigation cost in Comstock?

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

Val Verde County

EPA Zone 3

Located in Val Verde County along the Texas-Mexico border, Comstock sits in zip code 78837 within EPA Zone 3, indicating lower predicted radon potential. Despite limited local testing data, the underlying limestone and sedimentary rock formations can still produce variable radon levels. Homeowners should test their properties to establish accurate indoor air quality baselines for this remote West Texas community.

Comstock, TX Radon Mitigation

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

Comstock, TX Radon Testing

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

Comstock Radon Facts

Key details about the radon risk profile for Comstock and the 78837 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Val Verde County, TX

Zip Code

78837

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Comstock and the 78837 zip code are located in Val Verde 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 Comstock, TX

What EPA Radon Zone is Comstock in?

Comstock and the 78837 zip code are in Val Verde 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 Comstock?

Radon mitigation in Comstock 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 Comstock?

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