Waialua, HI Radon Levels

Q: What EPA Radon Zone is Waialua in?

Waialua is in Honolulu County, EPA Zone 3.

Q: How much does radon mitigation cost in Waialua?

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

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

Waialua, HI Radon Facts

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

County Honolulu County, HI

Zip Code 96791

Located on Oahu's north shore in Honolulu County, Waialua sits on coral limestone and volcanic soils that typically produce very low radon levels characteristic of Hawaiian coastal areas. Testing data for zip code 96791 is sparse, though the geological foundation generally results in minimal radon concerns. The area's plantation-era homes and beachfront properties both benefit from occasional evaluation.

Waialua, HI Radon Mitigation

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

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Radon FAQ for Waialua, HI

What EPA Radon Zone is Waialua in?

Waialua and the 96791 zip code are in Honolulu 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 Waialua?

Radon mitigation in Waialua 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 Waialua?

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 Hawaii

Cities in Hawaii with the most user-submitted radon test data, ranked by number of submissions.

City	Avg User Radon Level	Submissions
Honolulu	No submissions	0