Iola, TX Radon Mitigation and Testing

Q: What EPA Radon Zone is Iola in?

Iola is in Grimes County, EPA Zone 3.

Q: How much does radon mitigation cost in Iola?

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

Grimes County

EPA Zone 3

Rural Iola in Grimes County sits on Gulf Coastal Plain sediments and clay formations that typically produce lower radon levels across east-central Texas. Testing data for zip code 77861 remains limited in this agricultural area. While Texas generally shows lower radon potential, individual home characteristics and local geological variations mean testing is still recommended for peace of mind.

Iola, TX Radon Mitigation

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

Iola, TX Radon Testing

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

Iola Radon Facts

Key details about the radon risk profile for Iola and the 77861 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Grimes County, TX

Zip Code

77861

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Iola and the 77861 zip code are located in Grimes 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 Iola, TX

What EPA Radon Zone is Iola in?

Iola and the 77861 zip code are in Grimes 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 Iola?

Radon mitigation in Iola 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 Iola?

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