Ash, NC Radon Mitigation and Testing

Q: What EPA Radon Zone is Ash in?

Ash is in Brunswick County, EPA Zone 3.

Q: How much does radon mitigation cost in Ash?

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

Brunswick County

EPA Zone 3

Located in coastal Brunswick County, Ash sits in North Carolina's Cape Fear region where sandy soils and proximity to tidal waters typically limit radon gas accumulation. The area's predominantly single-story homes with crawl space or slab foundations reflect the region's building practices adapted to coastal conditions. While testing data for zip code 28420 is currently unavailable, coastal areas generally show lower radon potential than inland regions.

Ash, NC Radon Mitigation

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

Ash, NC Radon Testing

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

Ash Radon Facts

Key details about the radon risk profile for Ash and the 28420 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Brunswick County, NC

Zip Code

28420

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Ash and the 28420 zip code are located in Brunswick 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 Ash, NC

What EPA Radon Zone is Ash in?

Ash and the 28420 zip code are in Brunswick 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 Ash?

Radon mitigation in Ash 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 Ash?

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