Call For A Free Quote: 1-800-299-3578 (toll free)

Columbus, TX Radon Levels

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


Columbus, TX Radon Facts

EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)
County Colorado County, TX
Zip Code 78934

Situated in Colorado County along the Texas coastal plain, this community falls within EPA Zone 3 where radon levels typically remain low. However, testing data for the 78934 area is limited, and individual homes can still experience elevated readings regardless of regional trends. Local homeowners should consider baseline radon testing, especially in properties with enclosed foundations or crawl spaces.

Columbus, 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 Columbus?

  • 100% Free, No-Obligation Quotes
  • Matches You with State-Licensed Colorado County Pros
1-800-299-3578 Toll-free · Mon–Fri 8am–6pm ET

Radon FAQ for Columbus, TX

What EPA Radon Zone is Columbus in?
Columbus and the 78934 zip code are in Colorado 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 Columbus?
Radon mitigation in Columbus 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 Columbus?
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