Rio Vista, TX Radon Mitigation and Testing

Q: What EPA Radon Zone is Rio Vista in?

Rio Vista is in Johnson County, EPA Zone 3.

Q: How much does radon mitigation cost in Rio Vista?

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

Johnson County

EPA Zone 3

Part of the Dallas Metro area in Johnson County, Rio Vista sits on North Texas limestone and shale formations that can produce variable radon levels. The community's mix of ranch-style homes and newer construction, many built on concrete slab foundations, reflects typical Texas building patterns. With limited local testing data available, homeowners in zip code 76093 should consider radon testing to understand their individual risk.

Rio Vista, TX Radon Mitigation

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

Rio Vista, TX Radon Testing

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

Rio Vista Radon Facts

Key details about the radon risk profile for Rio Vista and the 76093 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Johnson County, TX

Zip Code

76093

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Rio Vista and the 76093 zip code are located in Johnson 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 Rio Vista, TX

What EPA Radon Zone is Rio Vista in?

Rio Vista and the 76093 zip code are in Johnson 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 Rio Vista?

Radon mitigation in Rio Vista 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 Rio Vista?

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