Mount Holly, NC Radon Mitigation and Testing

Q: What is the average radon level in Mount Holly, NC?

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

Q: What EPA Radon Zone is Mount Holly in?

Mount Holly is in Gaston County, EPA Zone 2.

Q: How much does radon mitigation cost in Mount Holly?

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

Gaston County

EPA Zone 2

1 user test

Mount Holly is located in Gaston County, North Carolina. With 1 user-submitted readings averaging 3.00 pCi/L, levels are currently 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.

3.00

pCi/L average

Below EPA Action Level

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

4.0 EPA

10+

Mount Holly, NC Radon Mitigation

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

Mount Holly, NC Radon Testing

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

Mount Holly, North Carolina Radon Levels

User-submitted radon test readings from homes in the Mount Holly area.

Radon Level	City	Home Age	Foundation	Submitted
3 pCi/L	Mount Holly, NC	0-20 Years	No Basement/All Slab	Nov 2024

Have a radon test result for Mount Holly? Submit your reading to help other homeowners.

Mount Holly Radon Facts

Key details about the radon risk profile for Mount Holly and the 28120 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Gaston County, NC

Zip Code

28120

Predicted Screening Level

2–4 pCi/L (Zone 2)

Avg. User Submitted Level

3.00 pCi/L

User Tests Submitted

Mount Holly and the 28120 zip code are located in Gaston County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Mount Holly, NC

What is the average radon level in Mount Holly, NC?

Based on 1 user-submitted test, the average radon level in Mount Holly 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 Mount Holly in?

Mount Holly and the 28120 zip code are in Gaston County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

How much does radon mitigation cost in Mount Holly?

Radon mitigation in Mount Holly 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 Mount Holly?

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