Calliham, TX Radon Levels
Check local Calliham radon levels and find certified testing and mitigation professionals to keep your home safe
Calliham, TX Radon Facts
EPA Radon Zone
Unknown
Unknown
County
McMullen County, TX
Zip Code
78007
Positioned in South Texas's sparsely populated McMullen County, Calliham (78007) sits over sedimentary formations and clay soils that typically produce minimal radon concentrations. This ranch country area has limited residential development and consequently sparse radon testing data. Given the region's geology and predominant slab-on-grade construction, radon levels are generally expected to remain low, though individual testing can confirm specific property conditions.
Calliham, 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 Calliham?
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Radon FAQ for Calliham, TX
What EPA Radon Zone is Calliham in?
Calliham and the 78007 zip code are in McMullen County, which has an EPA assigned Radon Zone of Unknown. A zone of Unknown does not have sufficient data for classification.
How much does radon mitigation cost in Calliham?
Radon mitigation in Calliham 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 Calliham?
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 |