Mount Vernon, TX Radon Mitigation and Testing

Q: What EPA Radon Zone is Mount Vernon in?

Mount Vernon is in Franklin County, EPA Zone 3.

Q: How much does radon mitigation cost in Mount Vernon?

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

Franklin County

EPA Zone 3

Located in east Texas's Franklin County, Mount Vernon sits atop geological formations that typically produce lower radon levels than much of the country. However, as an EPA Zone 3 area, zip code 75457 still warrants attention from homeowners, particularly those with pier-and-beam or slab foundations where soil gas can enter through cracks. Testing data remains limited, making individual home assessment important for establishing baseline radon levels.

Mount Vernon, TX Radon Mitigation

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

Mount Vernon, TX Radon Testing

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

Mount Vernon Radon Facts

Key details about the radon risk profile for Mount Vernon and the 75457 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Franklin County, TX

Zip Code

75457

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Mount Vernon and the 75457 zip code are located in Franklin 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 Mount Vernon, TX

What EPA Radon Zone is Mount Vernon in?

Mount Vernon and the 75457 zip code are in Franklin 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 Mount Vernon?

Radon mitigation in Mount Vernon 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 Mount Vernon?

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