Durham, NC Radon Mitigation and Testing

Q: What EPA Radon Zone is Durham in?

Durham is in Durham County, EPA Zone 3.

Q: How much does radon mitigation cost in Durham?

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

Durham County

EPA Zone 3

Centered in Durham County within the Durham Metro area, this vibrant city sits in North Carolina's Piedmont region where crystalline bedrock and clay soils create variable radon conditions. The diverse housing stock across zip codes 27701, 27703, 27704, 27705, and 27706 ranges from historic neighborhoods to modern subdivisions with different foundation types. Although specific local testing data is unavailable, residents should test their homes as the Piedmont's granite-based geology can produce surprising radon variations between neighboring properties.

Durham, NC Radon Mitigation

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

Durham, NC Radon Testing

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

Durham Radon Facts

Key details about the radon risk profile for Durham and the 27701 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Durham County, NC

Zip Code

27701

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Durham and the 27701 zip code are located in Durham County, which has an EPA assigned Radon Zone of 3. A radon zone of 3 predicts an average indoor radon screening level less than 2 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Durham, NC

What EPA Radon Zone is Durham in?

Durham and the 27701 zip code are in Durham County, which has an EPA assigned Radon Zone of 3. A zone of 3 predicts an average indoor radon screening level less than 2 pCi/L.

How much does radon mitigation cost in Durham?

Radon mitigation in Durham 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 Durham?

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 North Carolina

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

City	Avg User Radon Level	Submissions
Murphy	12.83 pCi/L	6
Blowing Rock	10.17 pCi/L	6
Brevard	7.50 pCi/L	4
Cary	5.00 pCi/L	4
Highlands	4.50 pCi/L	4
Mooresville	4.00 pCi/L	4
Banner Elk	9.33 pCi/L	3
Charlotte	7.33 pCi/L	3
Denver	4.33 pCi/L	3
Hendersonville	9.00 pCi/L	2
Wake Forest	4.50 pCi/L	2
Apex	3.50 pCi/L	2
Huntersville	3.50 pCi/L	2
Raleigh	9.00 pCi/L	1
Fayetteville	5.00 pCi/L	1
Waxhaw	4.00 pCi/L	1
Chapel Hill	3.00 pCi/L	1
Clayton	No submissions	0
Fuquay Varina	No submissions	0
Holly Springs	No submissions	0