Washington, NC Radon Mitigation and Testing

Q: What EPA Radon Zone is Washington in?

Washington is in Beaufort County, EPA Zone 3.

Q: How much does radon mitigation cost in Washington?

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

Beaufort County

EPA Zone 3

Positioned in Beaufort County within the Greenville Metro area in eastern North Carolina, Washington rests on Coastal Plain sediments that typically yield lower radon concentrations. Available testing data for zip code 27889 is sparse, though the region's sandy soils and proximity to sea level generally reduce radon accumulation potential. Local housing features predominantly slab-on-grade and crawl space foundations suited to the area's flat topography and high water table.

Washington, NC Radon Mitigation

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

Washington, NC Radon Testing

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

Washington Radon Facts

Key details about the radon risk profile for Washington and the 27889 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Beaufort County, NC

Zip Code

27889

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Washington and the 27889 zip code are located in Beaufort 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 Washington, NC

What EPA Radon Zone is Washington in?

Washington and the 27889 zip code are in Beaufort 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 Washington?

Radon mitigation in Washington 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 Washington?

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