Marquez, TX Radon Levels
Check local Marquez radon levels and find certified testing and mitigation professionals to keep your home safe
Marquez, TX Radon Facts
EPA Radon Zone
Unknown
Unknown
County
Leon County, TX
Zip Code
77865
Located in Leon County in east-central Texas, Marquez sits within the Post Oak Savannah region where sandy soils and sedimentary rock formations typically result in lower radon potential. With no current testing data for zip code 77865, residents should still consider radon testing to ensure indoor air quality. Testing provides the only reliable way to determine your home's radon levels.
Marquez, 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 Marquez?
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Radon FAQ for Marquez, TX
What EPA Radon Zone is Marquez in?
Marquez and the 77865 zip code are in Leon 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 Marquez?
Radon mitigation in Marquez 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 Marquez?
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 |