Chapel Hill, NC Radon Mitigation and Testing

Q: What is the average radon level in Chapel Hill, NC?

Based on 1 user-submitted tests, the average radon level is 3.00 pCi/L.

Q: What EPA Radon Zone is Chapel Hill in?

Chapel Hill is in Orange County, EPA Zone 3.

Q: How much does radon mitigation cost in Chapel Hill?

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

Avg: 3.00 pCi/L

Orange County

EPA Zone 3

1 user test

Chapel Hill in Orange County shows an average radon level of 3.0 pCi/L, remaining within EPA recommended ranges but still warranting attention. Built on Piedmont crystalline bedrock within the Durham Metro area, the 27514 zip code features a mix of older neighborhoods and modern developments. Regular testing remains advisable as individual homes can vary significantly from area averages.

3.00

pCi/L average

Below EPA Action Level

Based on 1 user-submitted radon test for homes in Chapel Hill, NC. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Chapel Hill, NC Radon Mitigation

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

Chapel Hill, NC Radon Testing

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

Chapel Hill, North Carolina Radon Levels

User-submitted radon test readings from homes in the Chapel Hill area.

Radon Level	City	Home Age	Foundation	Submitted
3 pCi/L	Chapel Hill, NC	21-50 Years	—	Jun 2021

Have a radon test result for Chapel Hill? Submit your reading to help other homeowners.

Chapel Hill Radon Facts

Key details about the radon risk profile for Chapel Hill and the 27514 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Orange County, NC

Zip Code

27514

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Avg. User Submitted Level

3.00 pCi/L

User Tests Submitted

Chapel Hill and the 27514 zip code are located in Orange 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 Chapel Hill, NC

What is the average radon level in Chapel Hill, NC?

Based on 1 user-submitted test, the average radon level in Chapel Hill is 3.00 pCi/L. This is below the EPA's recommended action level of 4.0 pCi/L. However, we recommend all homes be tested regardless of your neighbor's results.

What EPA Radon Zone is Chapel Hill in?

Chapel Hill and the 27514 zip code are in Orange 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 Chapel Hill?

Radon mitigation in Chapel Hill 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 Chapel Hill?

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