Garwood, TX Radon Mitigation and Testing

Q: What EPA Radon Zone is Garwood in?

Garwood is in Colorado County, EPA Zone 3.

Q: How much does radon mitigation cost in Garwood?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

Colorado County

EPA Zone 3

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.

Garwood, TX Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Garwood Radon Facts

Key details about the radon risk profile for Garwood and the 77442 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Colorado County, TX

Zip Code

77442

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Garwood and the 77442 zip code are located in Colorado County, which has an EPA assigned Radon Zone of 3. A radon zone of 3 predicts an average indoor radon screening level less than 2 pCi/L. The EPA recommends testing every home regardless of zone classification.

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 with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Lubbock	12.67 pCi/L	9
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