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Hendersonville, NC Radon Levels

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


Hendersonville, NC Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Henderson County, NC
Zip Code 28739
Avg. User Level 9.00 pCi/L
User Tests 2

Nestled in Henderson County within the scenic Asheville Metro region, Hendersonville shows elevated radon readings with an average of 9.0 pCi/L that exceeds EPA action levels. The Blue Ridge Mountains' granite bedrock and mountain valley geology create natural conditions that concentrate radon gas in homes. Local testing across zip codes 28739, 28791, and 28792 confirms that mountain communities require vigilant radon monitoring and mitigation when necessary.

9.00
pCi/L average
Above EPA Action Level

Based on 2 user-submitted radon tests for homes in Hendersonville, NC. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Hendersonville, NC Radon Mitigation

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Hendersonville, NC Radon Levels

User-submitted radon test readings from homes in the Hendersonville area.

Radon LevelCityHome AgeFoundation
10 pCi/L Hendersonville, NC 0-20 Years No Basement/All Crawl Space
8 pCi/L Hendersonville, NC 21-50 Years Full Basement

Have a radon test result for Hendersonville? Submit your reading to help other homeowners.

Radon Readings Near Hendersonville, NC

Compare radon levels in Hendersonville with the closest nearby cities that have user-submitted test data.

CityDistanceAvg User LevelReadings
Pisgah Forest 11.9 mi 20.00 pCi/L 1
Fairview 13.6 mi 4.00 pCi/L 1
Brevard 16.7 mi 7.50 pCi/L 4
Candler 18.2 mi 6.00 pCi/L 1
Mill Spring 18.5 mi 4.00 pCi/L 1
Lake Lure 18.8 mi 10.00 pCi/L 1
Swannanoa 19.5 mi 10.00 pCi/L 1
Black Mountain 20.8 mi 6.33 pCi/L 3

Henderson County Radon Profile

The bedrock and soils beneath Henderson 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 1 city in Henderson County average 9.00 pCi/L across 2 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 Henderson County.

Radon FAQ for Hendersonville, NC

What is the average radon level in Hendersonville, NC?
Based on 2 user-submitted tests, the average radon level in Hendersonville is 9.00 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.
What EPA Radon Zone is Hendersonville in?
Hendersonville and the 28739 zip code are in Henderson 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.
How much does radon mitigation cost in Hendersonville?
Radon mitigation in Hendersonville 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 Hendersonville?
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.