Horseshoe Bay, TX Radon Levels
Check local Horseshoe Bay radon levels and find certified testing and mitigation professionals to keep your home safe
Horseshoe Bay, TX Radon Facts
EPA Radon Zone
Zone 2 — Moderate Risk
2–4 pCi/L (Zone 2)
County
Llano County, TX
Zip Code
78657
Situated in Llano County within Texas Hill Country, Horseshoe Bay sits on Precambrian granite and gneiss bedrock that can produce variable radon levels throughout the region. This lakeside community features predominantly newer homes with slab-on-grade foundations, though some properties include partial basements or lower-level spaces. With testing data currently limited for ZIP code 78657, residents should consider radon measurement to establish baseline levels for their specific properties.
Horseshoe Bay, 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 Horseshoe Bay?
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Radon FAQ for Horseshoe Bay, TX
What EPA Radon Zone is Horseshoe Bay in?
Horseshoe Bay and the 78657 zip code are in Llano County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.
How much does radon mitigation cost in Horseshoe Bay?
Radon mitigation in Horseshoe Bay 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 Horseshoe Bay?
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 |