Honokaa, HI Radon Mitigation and Testing

Q: What EPA Radon Zone is Honokaa in?

Honokaa is in Hawaii County, EPA Zone 3.

Q: How much does radon mitigation cost in Honokaa?

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

Perched on the slopes of Mauna Kea in Hawaii County, Honokaa sits on volcanic soils and lava rock formations that typically produce lower radon levels than continental bedrock. However, testing data for this rural Big Island community is currently limited. Despite Hawaii's generally low radon potential, the EPA still recommends testing for all homes, particularly those built on or near older lava flows where gas can accumulate in porous rock.

Honokaa, HI Radon Mitigation

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

Honokaa, HI Radon Testing

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

Honokaa Radon Facts

Key details about the radon risk profile for Honokaa and the 96727 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Hawaii County, HI

Zip Code

96727

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Honokaa and the 96727 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 Honokaa, HI

What EPA Radon Zone is Honokaa in?

Honokaa and the 96727 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 Honokaa?

Radon mitigation in Honokaa 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 Honokaa?

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