Piney Flats, TN Radon Mitigation and Testing

Q: What EPA Radon Zone is Piney Flats in?

Piney Flats is in Sullivan County, EPA Zone 1.

Q: How much does radon mitigation cost in Piney Flats?

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

Sullivan County

EPA Zone 1

Situated in Sullivan County within the Johnson City metropolitan area, Piney Flats lies in the Ridge and Valley province where limestone bedrock can contribute to radon accumulation. Testing data for the 37686 zip code remains limited, emphasizing the importance of individual home testing. The area's mix of older and newer construction, combined with the region's geological characteristics, means radon levels can vary significantly from home to home.

Piney Flats, TN Radon Mitigation

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

Piney Flats, TN Radon Testing

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

Piney Flats Radon Facts

Key details about the radon risk profile for Piney Flats and the 37686 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Sullivan County, TN

Zip Code

37686

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Piney Flats and the 37686 zip code are located in Sullivan 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 Piney Flats, TN

What EPA Radon Zone is Piney Flats in?

Piney Flats and the 37686 zip code are in Sullivan 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 Piney Flats?

Radon mitigation in Piney Flats 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 Piney Flats?

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