Annona, TX Radon Mitigation and Testing

Q: What EPA Radon Zone is Annona in?

Annona is in Red River County, EPA Zone 3.

Q: How much does radon mitigation cost in Annona?

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

Red River County

EPA Zone 3

Located in Red River County along Texas's northeastern border, Annona sits within the East Texas timber belt where Cretaceous sandstone and shale formations typically produce lower radon levels. However, testing data for zip code 75550 is currently insufficient to establish local patterns. Given the variability possible even in lower-risk geological zones, homeowners should still conduct radon testing to ensure safe indoor air quality.

Annona, TX Radon Mitigation

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

Annona, TX Radon Testing

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

Annona Radon Facts

Key details about the radon risk profile for Annona and the 75550 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Red River County, TX

Zip Code

75550

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Annona and the 75550 zip code are located in Red River 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 Annona, TX

What EPA Radon Zone is Annona in?

Annona and the 75550 zip code are in Red River 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 Annona?

Radon mitigation in Annona 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 Annona?

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