Warrenton, NC Radon Levels

Q: What EPA Radon Zone is Warrenton in?

Warrenton is in Warren County, EPA Zone 2.

Q: How much does radon mitigation cost in Warrenton?

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

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

Warrenton, NC Radon Facts

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

County Warren County, NC

Zip Code 27589

As the county seat of Warren County in the Raleigh Metro area, Warrenton sits on Triassic basin sediments that can produce variable radon levels across north-central North Carolina. With testing data sparse for this 27589 ZIP code community, individual home radon testing becomes essential for residents. The area's historic downtown homes and surrounding rural properties feature diverse foundation types that can influence radon accumulation patterns.

6.00

pCi/L area average

Above EPA Action Level

Warren County average: 6.00 pCi/L, based on 3 user-submitted tests across 2 cities in the county. No homeowner readings have been submitted for Warrenton 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+

Warrenton, 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 Warrenton, NC

No homeowner tests have been submitted for Warrenton 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
Manson	10.5 mi	6.00 pCi/L	1
Littleton	17.6 mi	6.00 pCi/L	2
Henrico	20.8 mi	9.67 pCi/L	3
Louisburg	21.2 mi	3.50 pCi/L	2
Oxford	25.3 mi	4.00 pCi/L	2
Stem	33.1 mi	3.00 pCi/L	1
Wake Forest	33.3 mi	4.50 pCi/L	2
Zebulon	37.1 mi	9.00 pCi/L	1

Warren County Radon Profile

Warren County is mapped as EPA Radon Zone 2, where the local geology is predicted to produce moderate indoor screening levels between 2 and 4 pCi/L. Homeowner-submitted tests from 2 cities in Warren County average 6.00 pCi/L across 3 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 Warren County.

Radon FAQ for Warrenton, NC

What EPA Radon Zone is Warrenton in?

Warrenton and the 27589 zip code are in Warren 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 Warrenton?

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

Radon mitigation in Warrenton 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 Warrenton?

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.