Barnardsville, NC Radon Levels

Q: What EPA Radon Zone is Barnardsville in?

Barnardsville is in Buncombe County, EPA Zone 1.

Q: How much does radon mitigation cost in Barnardsville?

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

Check local Barnardsville radon levels and find certified testing and mitigation professionals to keep your home safe

Barnardsville, NC Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Buncombe County, NC

Zip Code 28709

Mountain community Barnardsville in Buncombe County lies within the Asheville Metro area's EPA Zone 1, where the Blue Ridge Mountains' crystalline bedrock can contribute to elevated radon potential. Testing data for the 28709 zip code is currently limited, though the region's complex geology makes individual home assessment particularly important. The area's mountainous terrain and varied foundation types can create unpredictable radon accumulation patterns.

6.50

pCi/L area average

Above EPA Action Level

Buncombe County average: 6.50 pCi/L, based on 6 user-submitted tests across 4 cities in the county. No homeowner readings have been submitted for Barnardsville itself yet, so this county figure is the closest available benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Barnardsville, NC Radon Mitigation

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

Need Radon Mitigation or Testing in Barnardsville?

100% Free, No-Obligation Quotes
Matches You with State-Licensed Buncombe County Pros

1-800-299-3578 704-626-2739 (local) Toll-free · Mon–Fri 8am–6pm ET

Radon Readings Near Barnardsville, NC

No homeowner tests have been submitted for Barnardsville yet. The closest cities with user-submitted radon data are shown below — explore them to gauge local conditions. Radon varies by home, so testing is the only way to know your level.

City	Distance	Avg User Level	Readings
Swannanoa	11.2 mi	10.00 pCi/L	1
Burnsville	13.0 mi	20.00 pCi/L	1
Black Mountain	15.3 mi	6.33 pCi/L	3
Fairview	17.5 mi	4.00 pCi/L	1
Old Fort	19.5 mi	4.00 pCi/L	1
Candler	21.3 mi	6.00 pCi/L	1
Bakersville	23.7 mi	10.00 pCi/L	1
Lake Lure	27.7 mi	10.00 pCi/L	1

Buncombe County Radon Profile

The bedrock and soils beneath Buncombe County are classified by the EPA as Radon Zone 1, the highest-risk tier, with predicted average indoor screening levels above 4 pCi/L. Homeowner-submitted tests from 4 cities in Buncombe County average 6.50 pCi/L across 6 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in Buncombe County.

Radon FAQ for Barnardsville, NC

What EPA Radon Zone is Barnardsville in?

Barnardsville and the 28709 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.

Why are radon readings shown from areas near Barnardsville?

No homeowner radon tests have been submitted for Barnardsville yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Buncombe County average—are the best available indicator of local conditions until Barnardsville homeowners submit their own results. The EPA still recommends testing every individual home, since levels can vary significantly from house to house.

How much does radon mitigation cost in Barnardsville?

Radon mitigation in Barnardsville 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 Barnardsville?

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.