Baytown, TX Radon Mitigation and Testing

Q: What EPA Radon Zone is Baytown in?

Baytown is in Harris County, EPA Zone 3.

Q: How much does radon mitigation cost in Baytown?

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

Located in Chambers County within the Houston Metro area, Baytown sits on Gulf Coast alluvial soils that generally produce low radon levels. The community's predominantly slab-on-grade construction and proximity to Trinity Bay mean radon accumulation is typically minimal. However, testing data for this area remains limited, making individual home testing the best way to determine actual radon levels.

Baytown, TX Radon Mitigation

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

Baytown, TX Radon Testing

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

Baytown Radon Facts

Key details about the radon risk profile for Baytown and the 77520 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Harris County, TX

Zip Code

77520

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Baytown and the 77520 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 Baytown, TX

What EPA Radon Zone is Baytown in?

Baytown and the 77520 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 Baytown?

Radon mitigation in Baytown 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 Baytown?

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