Port Lavaca, TX Radon Mitigation and Testing

Q: What EPA Radon Zone is Port Lavaca in?

Port Lavaca is in Calhoun County, EPA Zone 3.

Q: How much does radon mitigation cost in Port Lavaca?

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

Calhoun County

EPA Zone 3

Situated along Matagorda Bay in Calhoun County, Port Lavaca's coastal location and sandy Gulf Coast soils typically produce minimal radon concerns for most residential properties. The 77979 area currently lacks comprehensive radon testing data, though coastal Texas generally shows lower radon potential due to geological conditions. Homeowners may still benefit from baseline testing to confirm their individual property's radon characteristics.

Port Lavaca, TX Radon Mitigation

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

Port Lavaca, TX Radon Testing

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

Port Lavaca Radon Facts

Key details about the radon risk profile for Port Lavaca and the 77979 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Calhoun County, TX

Zip Code

77979

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Port Lavaca and the 77979 zip code are located in Calhoun 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 Port Lavaca, TX

What EPA Radon Zone is Port Lavaca in?

Port Lavaca and the 77979 zip code are in Calhoun 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 Port Lavaca?

Radon mitigation in Port Lavaca 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 Port Lavaca?

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