Brenham, TX Radon Mitigation and Testing

Q: What EPA Radon Zone is Brenham in?

Brenham is in Washington County, EPA Zone 3.

Q: How much does radon mitigation cost in Brenham?

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

Washington County

EPA Zone 3

Situated in Washington County as part of the greater Houston metro area, Brenham features diverse housing stock from historic Victorian homes to modern subdivisions built on Gulf Coast Plain sediments. Radon testing data for zip code 77833 is currently limited, making individual home testing crucial for determining actual exposure levels. The area's clay and sandy loam soils can create variable radon conditions that require professional assessment.

Brenham, TX Radon Mitigation

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

Brenham, TX Radon Testing

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

Brenham Radon Facts

Key details about the radon risk profile for Brenham and the 77833 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Washington County, TX

Zip Code

77833

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Brenham and the 77833 zip code are located in Washington 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 Brenham, TX

What EPA Radon Zone is Brenham in?

Brenham and the 77833 zip code are in Washington 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 Brenham?

Radon mitigation in Brenham 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 Brenham?

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