Knoxville, AL Radon Mitigation and Testing

Q: What EPA Radon Zone is Knoxville in?

Knoxville is in Greene County, EPA Zone 2.

Q: How much does radon mitigation cost in Knoxville?

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

Greene County

EPA Zone 2

Knoxville, AL resides in Greene County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. Testing is recommended for all homes in the 35469 zip code area.

Knoxville, AL Radon Mitigation

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

Knoxville, AL Radon Testing

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

Knoxville Radon Facts

Key details about the radon risk profile for Knoxville and the 35469 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Greene County, AL

Zip Code

35469

Predicted Screening Level

2–4 pCi/L (Zone 2)

Knoxville and the 35469 zip code are located in Greene County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Knoxville, AL

What EPA Radon Zone is Knoxville in?

Knoxville and the 35469 zip code are in Greene County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

How much does radon mitigation cost in Knoxville?

Radon mitigation in Knoxville 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 Knoxville?

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 Alabama

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Huntsville	9.00 pCi/L	2
Birmingham	7.00 pCi/L	2
Madison	4.00 pCi/L	1