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Diana, TX Radon Levels

Check local Diana radon levels and find certified testing and mitigation professionals to keep your home safe


Diana, TX Radon Facts

EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)
County Upshur County, TX
Zip Code 75640

Small Diana in Upshur County sits within the Longview Metro area atop East Texas's Cretaceous clay and sandstone formations. This zip code 75640 community features predominantly single-story homes built on pier-and-beam or slab foundations, typical of the region's rural residential construction. Radon testing data remains limited for this area, so homeowners should consider professional testing to establish baseline readings for their specific properties.

Diana, TX Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

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Radon FAQ for Diana, TX

What EPA Radon Zone is Diana in?
Diana and the 75640 zip code are in Upshur 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 Diana?
Radon mitigation in Diana 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 Diana?
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.

CityAvg User Radon LevelSubmissions
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