Thornton, TX Radon Levels
Check local Thornton radon levels and find certified testing and mitigation professionals to keep your home safe
Thornton, TX Radon Facts
EPA Radon Zone
Zone 3 — Low Risk
< 2.0 pCi/L (Zone 3)
County
Limestone County, TX
Zip Code
76687
Set in rural Limestone County within east-central Texas, Thornton sits over limestone and clay formations that typically produce lower radon levels compared to other geological regions. The small community features primarily slab-on-grade construction and older farmsteads with minimal basement development. While testing data remains sparse for zip code 76687, homeowners should still consider radon testing as individual properties can vary significantly from regional averages.
Thornton, TX Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Need Radon Mitigation or Testing in Thornton?
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Radon FAQ for Thornton, TX
What EPA Radon Zone is Thornton in?
Thornton and the 76687 zip code are in Limestone 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 Thornton?
Radon mitigation in Thornton 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 Thornton?
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 in Texas with the most user-submitted radon test data, ranked by number of submissions.
| City | Avg User Radon Level | Submissions |
|---|---|---|
| Lubbock | 12.70 pCi/L | 10 |
| 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 |