San Ygnacio, TX Radon Mitigation and Testing

Q: What EPA Radon Zone is San Ygnacio in?

San Ygnacio is in Zapata County, EPA Zone Unknown.

Q: How much does radon mitigation cost in San Ygnacio?

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

Zapata County

EPA Zone Unknown

Situated along the Rio Grande in Zapata County, San Ygnacio sits on alluvial deposits and limestone formations near the Mexican border. Testing data for zip code 78067 is currently limited, making individual radon testing important despite the area's typically low radon potential. The small community features predominantly older South Texas architecture adapted to the subtropical border climate.

San Ygnacio, TX Radon Mitigation

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

San Ygnacio, TX Radon Testing

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

San Ygnacio Radon Facts

Key details about the radon risk profile for San Ygnacio and the 78067 zip code area.

EPA Radon Zone

Unknown

County

Zapata County, TX

Zip Code

78067

Predicted Screening Level

Unknown

San Ygnacio and the 78067 zip code are located in Zapata County, which has an EPA assigned Radon Zone of Unknown. A radon zone of Unknown does not have sufficient data for classification. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for San Ygnacio, TX

What EPA Radon Zone is San Ygnacio in?

San Ygnacio and the 78067 zip code are in Zapata County, which has an EPA assigned Radon Zone of Unknown. A zone of Unknown does not have sufficient data for classification.

How much does radon mitigation cost in San Ygnacio?

Radon mitigation in San Ygnacio 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 San Ygnacio?

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