D Hanis, TX Radon Mitigation and Testing

Q: What EPA Radon Zone is D Hanis in?

D Hanis is in Medina County, EPA Zone 3.

Q: How much does radon mitigation cost in D Hanis?

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

Medina County

EPA Zone 3

Located in Medina County within the San Antonio metro area, D Hanis sits in the Texas Hill Country where limestone bedrock and caliche soils create variable radon conditions. Testing data for this ZIP code 78850 community remains limited, making individual home testing especially important for homeowners. Given the geological characteristics of the region, professional radon testing can help determine if mitigation measures are needed.

D Hanis, TX Radon Mitigation

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

D Hanis, TX Radon Testing

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

D Hanis Radon Facts

Key details about the radon risk profile for D Hanis and the 78850 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Medina County, TX

Zip Code

78850

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

D Hanis and the 78850 zip code are located in Medina 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 D Hanis, TX

What EPA Radon Zone is D Hanis in?

D Hanis and the 78850 zip code are in Medina 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 D Hanis?

Radon mitigation in D Hanis 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 D Hanis?

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