Kailua Kona, HI Radon Levels

Q: What EPA Radon Zone is Kailua Kona in?

Kailua Kona is in Hawaii County, EPA Zone 3.

Q: How much does radon mitigation cost in Kailua Kona?

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

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

Kailua Kona, HI Radon Facts

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

County Hawaii County, HI

Zip Code 96740

Located on the Big Island's leeward coast in Hawaii County, Kailua Kona sits on relatively young lava flows where radon levels typically remain minimal. Testing data for this 96740 community is currently unavailable, though the area's recent volcanic geology generally presents low radon risk. Homeowners should still consider testing to establish individual property baselines as part of comprehensive home safety.

Kailua Kona, HI Radon Mitigation

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

Need Radon Mitigation or Testing in Kailua Kona?

100% Free, No-Obligation Quotes
Matches You with State-Licensed Hawaii County Pros

1-800-299-3578 Toll-free · Mon–Fri 8am–6pm ET

Radon FAQ for Kailua Kona, HI

What EPA Radon Zone is Kailua Kona in?

Kailua Kona and the 96740 zip code are in Hawaii 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 Kailua Kona?

Radon mitigation in Kailua Kona 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 Kailua Kona?

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