Summerfield, NC Radon Levels

Q: What EPA Radon Zone is Summerfield in?

Summerfield is in Guilford County, EPA Zone 3.

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

No homeowner radon tests have been submitted for Summerfield yet, so readings from the closest cities and the Guilford 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 Summerfield?

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

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

Summerfield, NC Radon Facts

EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)

County Guilford County, NC

Zip Code 27358

Situated in Guilford County within the Greensboro Metro area, Summerfield lies in EPA Zone 3 where radon levels are generally moderate. The community's mix of suburban homes built from the 1970s onward typically feature crawl spaces and slab foundations common to the North Carolina Piedmont. Testing data for zip code 27358 is currently limited, making individual home testing important for residents.

6.00

pCi/L area average

Above EPA Action Level

Guilford County average: 6.00 pCi/L, based on 1 user-submitted test across 1 city in the county. No homeowner readings have been submitted for Summerfield 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+

Summerfield, 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 Summerfield, NC

No homeowner tests have been submitted for Summerfield 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
Walnut Cove	15.8 mi	12.00 pCi/L	1
Gibsonville	19.4 mi	6.00 pCi/L	1
Winston Salem	22.7 mi	6.33 pCi/L	3
King	26.4 mi	3.00 pCi/L	1
Clemmons	31.2 mi	4.00 pCi/L	2
Yanceyville	32.4 mi	4.00 pCi/L	1
Pilot Mountain	35.9 mi	14.00 pCi/L	1
Asheboro	37.4 mi	5.00 pCi/L	2

Guilford County Radon Profile

Guilford County is classified as EPA Radon Zone 3, the lowest predicted-risk tier, with modeled indoor screening averages below 2 pCi/L. Homeowner-submitted tests from 1 city in Guilford County average 6.00 pCi/L across 1 test — 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 Guilford County.

Radon FAQ for Summerfield, NC

What EPA Radon Zone is Summerfield in?

Summerfield and the 27358 zip code are in Guilford County, which has an EPA assigned Radon Zone of 3. A zone of 3 predicts an average indoor radon screening level less than 2 pCi/L.

Why are radon readings shown from areas near Summerfield?

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

Radon mitigation in Summerfield 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 Summerfield?

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.