Collettsville, NC Radon Mitigation and Testing

Q: What EPA Radon Zone is Collettsville in?

Collettsville is in Avery County, EPA Zone 2.

Q: How much does radon mitigation cost in Collettsville?

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

Avery County

EPA Zone 2

Tucked away in the Blue Ridge Mountains of Avery County, Collettsville sits in North Carolina's higher-elevation region where crystalline rock formations can produce elevated radon levels. While testing data for zip code 28611 remains limited, the mountainous geology and older home construction typical of the area warrant individual testing. Many homes in this region feature basement or crawl space foundations that can trap radon gas from the underlying granite bedrock.

Collettsville, NC Radon Mitigation

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

Collettsville, NC Radon Testing

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

Collettsville Radon Facts

Key details about the radon risk profile for Collettsville and the 28611 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Avery County, NC

Zip Code

28611

Predicted Screening Level

2–4 pCi/L (Zone 2)

Collettsville and the 28611 zip code are located in Avery 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 Collettsville, NC

What EPA Radon Zone is Collettsville in?

Collettsville and the 28611 zip code are in Avery 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 Collettsville?

Radon mitigation in Collettsville 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 Collettsville?

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