Tarawa Terrace, NC Radon Mitigation and Testing

Q: What EPA Radon Zone is Tarawa Terrace in?

Tarawa Terrace is in Onslow County, EPA Zone 3.

Q: How much does radon mitigation cost in Tarawa Terrace?

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

Onslow County

EPA Zone 3

Part of the Jacksonville Metro area in Onslow County, Tarawa Terrace is a military housing community built on Coastal Plain formations near Camp Lejeune. Testing data for this 28543 zip code area remains limited, though the sandy soils and slab-on-grade construction typical of military housing generally reduce radon accumulation risks. Residents should still consider testing, particularly in any homes with enclosed crawl spaces or lower-level rooms.

Tarawa Terrace, NC Radon Mitigation

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

Tarawa Terrace, NC Radon Testing

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

Tarawa Terrace Radon Facts

Key details about the radon risk profile for Tarawa Terrace and the 28543 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Onslow County, NC

Zip Code

28543

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Tarawa Terrace and the 28543 zip code are located in Onslow 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 Tarawa Terrace, NC

What EPA Radon Zone is Tarawa Terrace in?

Tarawa Terrace and the 28543 zip code are in Onslow 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 Tarawa Terrace?

Radon mitigation in Tarawa Terrace 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 Tarawa Terrace?

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