Sapphire, NC Radon Mitigation and Testing

Q: What EPA Radon Zone is Sapphire in?

Sapphire is in Jackson County, EPA Zone 2.

Q: How much does radon mitigation cost in Sapphire?

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

Jackson County

EPA Zone 2

Perched in the Blue Ridge Mountains of Jackson County, Sapphire's high elevation and granitic bedrock create geological conditions that can produce elevated radon levels in western North Carolina. The mountain community features a mix of seasonal cabins and year-round homes, many built on crawl space or basement foundations that can trap radon gas. With testing data limited for the 28774 zip code, residents should conduct home testing to assess their individual radon exposure risk.

Sapphire, NC Radon Mitigation

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

Sapphire, NC Radon Testing

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

Sapphire Radon Facts

Key details about the radon risk profile for Sapphire and the 28774 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Jackson County, NC

Zip Code

28774

Predicted Screening Level

2–4 pCi/L (Zone 2)

Sapphire and the 28774 zip code are located in Jackson 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 Sapphire, NC

What EPA Radon Zone is Sapphire in?

Sapphire and the 28774 zip code are in Jackson 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 Sapphire?

Radon mitigation in Sapphire 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 Sapphire?

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