Louisville, TN Radon Mitigation and Testing

Q: What EPA Radon Zone is Louisville in?

Louisville is in Blount County, EPA Zone 1.

Q: How much does radon mitigation cost in Louisville?

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

Blount County

EPA Zone 1

Situated in Blount County within the Knoxville Metro area, this Tennessee community currently has limited radon testing data for zip code 37777. The region's Appalachian geology and typical Tennessee housing with basements or crawl spaces can create varying radon conditions. Homeowners should conduct professional testing to determine their specific indoor air quality status.

Louisville, TN Radon Mitigation

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

Louisville, TN Radon Testing

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

Louisville Radon Facts

Key details about the radon risk profile for Louisville and the 37777 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Blount County, TN

Zip Code

37777

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Louisville and the 37777 zip code are located in Blount County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Louisville, TN

What EPA Radon Zone is Louisville in?

Louisville and the 37777 zip code are in Blount County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.

How much does radon mitigation cost in Louisville?

Radon mitigation in Louisville 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 Louisville?

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 Tennessee

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

City	Avg User Radon Level	Submissions
Elizabethton	7.33 pCi/L	3
Cleveland	5.33 pCi/L	3
Johnson City	4.33 pCi/L	3
Maryville	10.50 pCi/L	2
Columbia	8.50 pCi/L	2
Bristol	6.50 pCi/L	2
Chattanooga	5.00 pCi/L	2
Clarksville	20.00 pCi/L	1
Kingsport	5.00 pCi/L	1
Knoxville	4.00 pCi/L	1
Greeneville	No submissions	0
Murfreesboro	No submissions	0