Captain Cook, HI Radon Mitigation and Testing

Q: What EPA Radon Zone is Captain Cook in?

Captain Cook is in Hawaii County, EPA Zone 3.

Q: How much does radon mitigation cost in Captain Cook?

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

Hawaii County

EPA Zone 3

Captain Cook, HI resides 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. Testing is recommended for all homes in the 96704 zip code area.

Captain Cook, HI Radon Mitigation

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

Captain Cook, HI Radon Testing

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Captain Cook Radon Facts

Key details about the radon risk profile for Captain Cook and the 96704 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Hawaii County, HI

Zip Code

96704

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Captain Cook and the 96704 zip code are located in Hawaii 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 Captain Cook, HI

What EPA Radon Zone is Captain Cook in?

Captain Cook and the 96704 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 Captain Cook?

Radon mitigation in Captain Cook 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 Captain Cook?

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

City	Avg User Radon Level	Submissions
Honolulu	No submissions	0