Arden, NC Radon Levels

Q: What EPA Radon Zone is Arden in?

Arden is in Buncombe County, EPA Zone 1.

Q: Why are radon readings shown from areas near Arden?

No homeowner radon tests have been submitted for Arden yet, so readings from the closest cities and the Buncombe County average are used as the best available indicator of local conditions. The EPA recommends testing every individual home.

Q: How much does radon mitigation cost in Arden?

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

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

Arden, NC Radon Facts

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

County Buncombe County, NC

Zip Code 28704

Positioned in the Blue Ridge Mountains within Buncombe County, Arden benefits from the Asheville Metro area's mountain geology of crystalline bedrock and residual soils. While radon testing data for zip code 28704 is limited, the EPA Zone 1 designation indicates high radon potential common to western North Carolina's mountainous terrain. The area's housing mix includes both mountain homes and suburban development with varied foundation types.

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 Arden 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+

Arden, 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 Arden, NC

No homeowner tests have been submitted for Arden yet, so the closest user-submitted readings from neighboring communities are shown below. Radon varies by home — testing is the only way to know your level.

Radon Level	City	Distance	Home Age	Foundation	Submitted
4 pCi/L	Fairview, NC	8.8 mi	0-20 Years	Full Basement	Jul 2023
10 pCi/L	Hendersonville, NC	8.9 mi	0-20 Years	No Basement/All Crawl Space	May 2023
8 pCi/L	Hendersonville, NC	8.9 mi	21-50 Years	Full Basement	Aug 2019
6 pCi/L	Candler, NC	10.6 mi	21-50 Years	Full Basement	Oct 2021
10 pCi/L	Swannanoa, NC	12.8 mi	21-50 Years	Full Basement	Jan 2022
20 pCi/L	Pisgah Forest, NC	16.0 mi	—	Full Basement	Jan 2025
7 pCi/L	Black Mountain, NC	16.6 mi	21-50 Years	Full Basement	Nov 2024
8 pCi/L	Black Mountain, NC	16.6 mi	21-50 Years	Full Basement	Feb 2021

Readings are drawn from the nearest cities with submitted data. Have a result for Arden? Submit your reading to help your neighbors.

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 Arden, NC

What EPA Radon Zone is Arden in?

Arden and the 28704 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 Arden?

No homeowner radon tests have been submitted for Arden 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 Arden 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 Arden?

Radon mitigation in Arden 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 Arden?

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.

Radon Levels Near Arden, NC

User-submitted radon levels from the cities closest to Arden with recorded test data. Explore nearby communities to compare local readings.

City	Distance	Avg User Level	Submissions
Fairview	8.8 mi	4.00 pCi/L	1
Hendersonville	8.9 mi	9.00 pCi/L	2
Candler	10.6 mi	6.00 pCi/L	1
Swannanoa	12.8 mi	10.00 pCi/L	1
Pisgah Forest	16.0 mi	20.00 pCi/L	1
Black Mountain	16.6 mi	6.33 pCi/L	3
Lake Lure	20.3 mi	10.00 pCi/L	1
Brevard	20.4 mi	7.50 pCi/L	4