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League City, TX Radon Levels

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


League City, TX Radon Facts

EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)
County Galveston County, TX
Zip Code 77573

Part of Galveston County in the Houston metropolitan area, League City sits on Gulf Coast plain sediments that typically produce lower radon levels. The rapidly growing suburb features predominantly newer construction built on slab foundations, which generally have less radon accumulation potential. While classified in EPA Zone 3 indicating low radon potential, and with no current testing data for zip code 77573, homeowners may still want to establish baseline measurements for peace of mind.

League City, 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 League City, TX

What EPA Radon Zone is League City in?
League City and the 77573 zip code are in Galveston 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 League City?
Radon mitigation in League City 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 League City?
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