Warrensville, NC Radon Levels

Q: What EPA Radon Zone is Warrensville in?

Warrensville is in Ashe County, EPA Zone 2.

Q: How much does radon mitigation cost in Warrensville?

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

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

Warrensville, NC Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County Ashe County, NC

Zip Code 28693

High in the Blue Ridge Mountains within Ashe County, Warrensville's 28693 ZIP code area features metamorphic bedrock that can generate moderate to elevated radon levels. With limited testing data available for this mountain community, homeowners should prioritize radon assessment in their properties. The region's mix of older mountain homes and newer construction, often with crawl spaces or partial basements, creates varied radon accumulation potential.

6.50

pCi/L area average

Above EPA Action Level

Ashe County average: 6.50 pCi/L, based on 4 user-submitted tests across 3 cities in the county. No homeowner readings have been submitted for Warrensville 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+

Warrensville, NC Radon Mitigation

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

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Radon Readings Near Warrensville, NC

No homeowner tests have been submitted for Warrensville 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
West Jefferson	6.4 mi	3.00 pCi/L	1
Todd	9.4 mi	9.00 pCi/L	2
Fleetwood	12.3 mi	5.00 pCi/L	1
Laurel Springs	15.9 mi	8.00 pCi/L	1
Boone	18.1 mi	16.50 pCi/L	2
Purlear	21.0 mi	10.00 pCi/L	1
Banner Elk	21.7 mi	9.33 pCi/L	3
Blowing Rock	23.8 mi	10.17 pCi/L	6

Ashe County Radon Profile

EPA mapping assigns Ashe County to Radon Zone 2, indicating moderate predicted indoor screening levels in the 2 to 4 pCi/L range based on regional geology. Homeowner-submitted tests from 3 cities in Ashe County average 6.50 pCi/L across 4 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Ashe County home regardless of zone or a neighbor's results.

Radon FAQ for Warrensville, NC

What EPA Radon Zone is Warrensville in?

Warrensville and the 28693 zip code are in Ashe 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.

Why are radon readings shown from areas near Warrensville?

No homeowner radon tests have been submitted for Warrensville yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Ashe County average—are the best available indicator of local conditions until Warrensville 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 Warrensville?

Radon mitigation in Warrensville 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 Warrensville?

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.