Katy, TX Radon Levels
Check local Katy radon levels and find certified testing and mitigation professionals to keep your home safe
Katy, TX Radon Facts
EPA Radon Zone
Zone 3 — Low Risk
< 2.0 pCi/L (Zone 3)
County
Harris County, TX
Zip Code
77449
Katy spans across Fort Bend County in the rapidly growing western Houston metropolitan area, built primarily on Gulf Coastal Plain clay and sand deposits. While comprehensive radon testing data for zip code 77494 remains limited, the area's newer suburban development pattern includes many slab-on-grade homes that typically show lower radon risk. However, some elevated readings can still occur in this region, making periodic testing a wise precaution for homeowners in this thriving suburban community.
Katy, 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 Katy?
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Radon FAQ for Katy, TX
What EPA Radon Zone is Katy in?
Katy and the 77449 zip code are in Harris 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 Katy?
Radon mitigation in Katy 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 Katy?
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 |