Lewisville, TX Radon Levels
Check local Lewisville radon levels and find certified testing and mitigation professionals to keep your home safe
Lewisville, TX Radon Facts
EPA Radon Zone
Zone 3 — Low Risk
< 2.0 pCi/L (Zone 3)
County
Denton County, TX
Zip Code
75057
Located in Denton County within the Dallas Metro area, Lewisville (75057) sits in EPA Zone 3 where lower radon levels are generally expected across North Texas. The region's clay and sandy soils over sedimentary formations typically produce minimal radon accumulation in the area's predominantly slab-on-grade housing stock. Despite the lower regional risk, testing data remains limited, so homeowners should consider radon testing to ensure their properties meet safety recommendations.
Lewisville, 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 Lewisville?
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Radon FAQ for Lewisville, TX
What EPA Radon Zone is Lewisville in?
Lewisville and the 75057 zip code are in Denton 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 Lewisville?
Radon mitigation in Lewisville 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 Lewisville?
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 |