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Greenville, TX Radon Levels

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


Greenville, TX Radon Facts

EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)
County Hunt County, TX
Zip Code 75401

Situated in Hunt County northeast of Dallas, Greenville's residential areas in zip codes 75401 and 75402 rest on Blackland Prairie clay soils over limestone formations. Testing data for radon levels in this area remains limited, making professional radon testing essential for homeowners to understand their individual risk. The mix of older homes with pier foundations and newer construction with concrete slabs creates varied radon entry potential across the community.

Greenville, 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 Greenville, TX

What EPA Radon Zone is Greenville in?
Greenville and the 75401 zip code are in Hunt 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 Greenville?
Radon mitigation in Greenville 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 Greenville?
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