Warsaw, NC Radon Mitigation and Testing

Q: What EPA Radon Zone is Warsaw in?

Warsaw is in Duplin County, EPA Zone 3.

Q: How much does radon mitigation cost in Warsaw?

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

Duplin County

EPA Zone 3

Positioned in Duplin County in southeastern North Carolina's Coastal Plain, Warsaw sits over sedimentary formations that typically produce lower radon levels than the state's mountain regions. However, testing data remains limited for zip code 28398, making professional radon testing advisable for homeowners. Even in lower-risk geological areas, individual homes can still have elevated radon concentrations.

Warsaw, NC Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

Warsaw, NC Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Warsaw Radon Facts

Key details about the radon risk profile for Warsaw and the 28398 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Duplin County, NC

Zip Code

28398

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Warsaw and the 28398 zip code are located in Duplin County, which has an EPA assigned Radon Zone of 3. A radon zone of 3 predicts an average indoor radon screening level less than 2 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Warsaw, NC

What EPA Radon Zone is Warsaw in?

Warsaw and the 28398 zip code are in Duplin 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.

How much does radon mitigation cost in Warsaw?

Radon mitigation in Warsaw 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 Warsaw?

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.

Most Active Radon Markets in North Carolina

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Murphy	12.83 pCi/L	6
Blowing Rock	10.17 pCi/L	6
Brevard	7.50 pCi/L	4
Cary	5.00 pCi/L	4
Highlands	4.50 pCi/L	4
Mooresville	4.00 pCi/L	4
Banner Elk	9.33 pCi/L	3
Charlotte	7.33 pCi/L	3
Denver	4.33 pCi/L	3
Hendersonville	9.00 pCi/L	2
Wake Forest	4.50 pCi/L	2
Apex	3.50 pCi/L	2
Huntersville	3.50 pCi/L	2
Raleigh	9.00 pCi/L	1
Fayetteville	5.00 pCi/L	1
Waxhaw	4.00 pCi/L	1
Chapel Hill	3.00 pCi/L	1
Clayton	No submissions	0
Fuquay Varina	No submissions	0
Holly Springs	No submissions	0