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Casar, NC Radon Levels

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


Casar, NC Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)
County Cleveland County, NC
Zip Code 28020

Situated in Cleveland County within North Carolina's Piedmont region, Casar sits atop crystalline bedrock and residual soils that can produce variable radon levels. The community's rural character includes older farmhouses and newer residential development, with foundation types ranging from crawl spaces to full basements. With radon testing data currently limited for the area, homeowners should test their properties to determine individual radon exposure levels.

12.00
pCi/L area average
Above EPA Action Level

Cleveland County average: 12.00 pCi/L, based on 3 user-submitted tests across 1 city in the county. No homeowner readings have been submitted for Casar itself yet, so this county figure is the closest available benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Casar, 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 Casar, NC

No homeowner tests have been submitted for Casar 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.

CityDistanceAvg User LevelReadings
Vale 9.9 mi 5.00 pCi/L 1
Bostic 10.8 mi 6.50 pCi/L 2
Morganton 15.7 mi 2.00 pCi/L 1
Connellys Springs 17.2 mi 5.00 pCi/L 1
Cherryville 18.7 mi 13.33 pCi/L 3
Union Mills 18.9 mi 6.00 pCi/L 1
Hickory 21.8 mi 5.00 pCi/L 1
Kings Mountain 23.2 mi 12.00 pCi/L 3

Cleveland County Radon Profile

EPA mapping assigns Cleveland 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 1 city in Cleveland County average 12.00 pCi/L across 3 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 Cleveland County home regardless of zone or a neighbor's results.

Radon FAQ for Casar, NC

What EPA Radon Zone is Casar in?
Casar and the 28020 zip code are in Cleveland 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 Casar?
No homeowner radon tests have been submitted for Casar yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Cleveland County average—are the best available indicator of local conditions until Casar 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 Casar?
Radon mitigation in Casar 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 Casar?
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.