Washburn, TN Radon Mitigation and Testing

Q: What EPA Radon Zone is Washburn in?

Washburn is in Grainger County, EPA Zone 1.

Q: How much does radon mitigation cost in Washburn?

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

Grainger County

EPA Zone 1

Situated in Grainger County within the Knoxville Metro area, Washburn's residential properties rest on Appalachian foothills terrain with mixed geological formations. The 37888 zip code area has limited radon testing data, making individual home testing crucial for residents. Local housing includes both historic mountain homes and newer subdivisions, each presenting different radon risk profiles based on foundation design and construction era.

Washburn, TN Radon Mitigation

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

Washburn, TN Radon Testing

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

Washburn Radon Facts

Key details about the radon risk profile for Washburn and the 37888 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Grainger County, TN

Zip Code

37888

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Washburn and the 37888 zip code are located in Grainger 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 Washburn, TN

What EPA Radon Zone is Washburn in?

Washburn and the 37888 zip code are in Grainger 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 Washburn?

Radon mitigation in Washburn 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 Washburn?

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