Belfast, TN Radon Mitigation and Testing

Q: What EPA Radon Zone is Belfast in?

Belfast is in Marshall County, EPA Zone 1.

Q: How much does radon mitigation cost in Belfast?

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

Marshall County

EPA Zone 1

Situated in Marshall County in middle Tennessee, Belfast sits on limestone bedrock formations typical of the Central Basin region that can produce elevated radon levels. While testing data for zip code 37019 remains limited, the area's EPA Zone 1 classification indicates high radon potential requiring homeowner vigilance. Local housing includes both historic rural properties and newer construction, both susceptible to radon accumulation.

Belfast, TN Radon Mitigation

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

Belfast, TN Radon Testing

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

Belfast Radon Facts

Key details about the radon risk profile for Belfast and the 37019 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Marshall County, TN

Zip Code

37019

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Belfast and the 37019 zip code are located in Marshall 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 Belfast, TN

What EPA Radon Zone is Belfast in?

Belfast and the 37019 zip code are in Marshall 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 Belfast?

Radon mitigation in Belfast 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 Belfast?

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