Garwood, TX Radon Levels
Check local Garwood radon levels and find certified testing and mitigation professionals to keep your home safe
Garwood, TX Radon Facts
EPA Radon Zone
Zone 3 — Low Risk
< 2.0 pCi/L (Zone 3)
County
Colorado County, TX
Zip Code
77442
Positioned in Colorado County within Texas's coastal plain region, Garwood falls in EPA Zone 3 where radon concentrations are typically minimal. The area's flat terrain and clay-rich soils characteristic of the Gulf Coast region generally limit radon accumulation in homes. While testing data for zip code 77442 is limited, homeowners should still consider radon testing, especially in properties with unusual construction features or basement spaces.
Garwood, 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 Garwood?
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Radon FAQ for Garwood, TX
What EPA Radon Zone is Garwood in?
Garwood and the 77442 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 Garwood?
Radon mitigation in Garwood 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 Garwood?
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 |