Seabrook, TX Radon Mitigation and Testing

Q: What EPA Radon Zone is Seabrook in?

Seabrook is in Harris County, EPA Zone 3.

Q: How much does radon mitigation cost in Seabrook?

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

Harris County

EPA Zone 3

Part of the expansive Houston Metro area in Harris County, Seabrook sits along Galveston Bay where Gulf Coast geology typically produces lower radon levels. With testing data currently unavailable for the 77586 area, homeowners should still consider professional radon testing despite the EPA Zone 3 designation. Even in Texas's generally lower-radon environment, individual properties can experience elevated levels depending on specific soil conditions and foundation types.

Seabrook, TX Radon Mitigation

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

Seabrook, TX Radon Testing

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

Seabrook Radon Facts

Key details about the radon risk profile for Seabrook and the 77586 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Harris County, TX

Zip Code

77586

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Seabrook and the 77586 zip code are located in Harris 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 Seabrook, TX

What EPA Radon Zone is Seabrook in?

Seabrook and the 77586 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 Seabrook?

Radon mitigation in Seabrook 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 Seabrook?

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