Harwood, TX Radon Mitigation and Testing

Q: What EPA Radon Zone is Harwood in?

Harwood is in Gonzales County, EPA Zone 3.

Q: How much does radon mitigation cost in Harwood?

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

Gonzales County

EPA Zone 3

Situated in Gonzales County within the Austin Metro area, Harwood lies in the Texas Gulf Coastal Plain where sedimentary formations and typically slab-on-grade construction generally result in lower radon potential. The area's warm climate and geological characteristics contribute to reduced radon accumulation compared to northern regions. While testing data for zip code 78632 is limited, residents should still consider baseline testing as individual homes can show unexpected variations.

Harwood, TX Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

Harwood, TX Radon Testing

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

Harwood Radon Facts

Key details about the radon risk profile for Harwood and the 78632 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Gonzales County, TX

Zip Code

78632

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Harwood and the 78632 zip code are located in Gonzales 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 Harwood, TX

What EPA Radon Zone is Harwood in?

Harwood and the 78632 zip code are in Gonzales 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 Harwood?

Radon mitigation in Harwood 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 Harwood?

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