Black Mountain, NC Radon Mitigation and Testing

Q: What is the average radon level in Black Mountain, NC?

Based on 3 user-submitted tests, the average radon level is 6.30 pCi/L.

Q: What EPA Radon Zone is Black Mountain in?

Black Mountain is in Buncombe County, EPA Zone 1.

Q: How much does radon mitigation cost in Black Mountain?

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

Avg: 6.30 pCi/L

Buncombe County

EPA Zone 1

3 user tests

Black Mountain is located in Buncombe County, North Carolina. With 3 user-submitted readings averaging 6.30 pCi/L, the area exceeds the EPA's 4.0 pCi/L action threshold, and testing is strongly recommended for homeowners in the 28711 zip code.

6.30

pCi/L average

Above EPA Action Level

Based on 3 user-submitted radon tests for homes in Black Mountain, NC. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Black Mountain, NC Radon Mitigation

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

Black Mountain, NC Radon Testing

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

Black Mountain, North Carolina Radon Levels

User-submitted radon test readings from homes in the Black Mountain area.

Radon Level	City	Home Age	Foundation	Submitted
7 pCi/L	Black Mountain, NC	21-50 Years	Full Basement	Nov 2024
8 pCi/L	Black Mountain, NC	21-50 Years	Full Basement	Feb 2021
4 pCi/L	Black Mountain, NC	21-50 Years	Full Basement	Jul 2020

Have a radon test result for Black Mountain? Submit your reading to help other homeowners.

Black Mountain Radon Facts

Key details about the radon risk profile for Black Mountain and the 28711 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Buncombe County, NC

Zip Code

28711

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

6.30 pCi/L

User Tests Submitted

Black Mountain and the 28711 zip code are located in Buncombe 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 Black Mountain, NC

What is the average radon level in Black Mountain, NC?

Based on 3 user-submitted tests, the average radon level in Black Mountain is 6.30 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.

What EPA Radon Zone is Black Mountain in?

Black Mountain and the 28711 zip code are in Buncombe 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 Black Mountain?

Radon mitigation in Black Mountain 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 Black Mountain?

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