Pasadena, TX Radon Mitigation and Testing

Q: What EPA Radon Zone is Pasadena in?

Pasadena is in Harris County, EPA Zone 3.

Q: How much does radon mitigation cost in Pasadena?

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

Situated in Harris County southeast of downtown Houston, this industrial community rests on Gulf Coastal Plain sediments that generally yield lower radon concentrations. Limited testing data in the 77502 zip code means homeowners should establish baseline readings through professional testing. The area's predominantly slab-on-grade construction and manufactured housing typically reduces radon risk, though individual properties may still vary significantly.

Pasadena, TX Radon Mitigation

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

Pasadena, TX Radon Testing

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

Pasadena Radon Facts

Key details about the radon risk profile for Pasadena and the 77502 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Harris County, TX

Zip Code

77502

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Pasadena and the 77502 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 Pasadena, TX

What EPA Radon Zone is Pasadena in?

Pasadena and the 77502 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 Pasadena?

Radon mitigation in Pasadena 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 Pasadena?

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