Marietta, TX Radon Levels
Check local Marietta radon levels and find certified testing and mitigation professionals to keep your home safe
Marietta, TX Radon Facts
EPA Radon Zone
Zone 3 — Low Risk
< 2.0 pCi/L (Zone 3)
County
Cass County, TX
Zip Code
75566
Found in Cass County in East Texas, Marietta sits within an area characterized by sandy soils and sedimentary bedrock typical of the Piney Woods region. Housing in the community includes both historic properties and newer residential construction, often featuring pier-and-beam foundations suited to the local soil conditions. While this EPA Zone 3 designation indicates generally lower radon risk and testing data remains limited, individual home testing can provide valuable peace of mind.
Marietta, 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 Marietta?
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1-800-299-3578
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Radon FAQ for Marietta, TX
What EPA Radon Zone is Marietta in?
Marietta and the 75566 zip code are in Cass 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 Marietta?
Radon mitigation in Marietta 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 Marietta?
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 |