Franklin, TX Radon Mitigation and Testing

Q: What EPA Radon Zone is Franklin in?

Franklin is in Robertson County, EPA Zone 3.

Q: How much does radon mitigation cost in Franklin?

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

Robertson County

EPA Zone 3

Located in east-central Texas's Robertson County near the College Station Metro area, Franklin sits on Cretaceous-era sedimentary formations typical of the Texas coastal plain. The area falls within EPA Zone 3, where radon levels are generally expected to be lowest. While testing data for zip code 77856 is limited, the local geology and prevalence of slab-on-grade construction typically result in lower radon accumulation.

Franklin, TX Radon Mitigation

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

Franklin, TX Radon Testing

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

Franklin Radon Facts

Key details about the radon risk profile for Franklin and the 77856 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Robertson County, TX

Zip Code

77856

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Franklin and the 77856 zip code are located in Robertson 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 Franklin, TX

What EPA Radon Zone is Franklin in?

Franklin and the 77856 zip code are in Robertson 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 Franklin?

Radon mitigation in Franklin 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 Franklin?

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