Hilo, HI Radon Levels
Check local Hilo radon levels and find certified testing and mitigation professionals to keep your home safe
Hilo, HI Radon Facts
EPA Radon Zone
Zone 3 — Low Risk
< 2.0 pCi/L (Zone 3)
County
Hawaii County, HI
Zip Code
96720
Situated on the Big Island in Hawaii County, Hilo sits on young volcanic soils and basaltic bedrock that typically produce very low radon levels. While testing data for zip code 96720 is limited, Hawaii's volcanic geology generally results in minimal radon risk, though testing can provide peace of mind for concerned homeowners.
Hilo, 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 Hilo?
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Radon FAQ for Hilo, HI
What EPA Radon Zone is Hilo in?
Hilo and the 96720 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 Hilo?
Radon mitigation in Hilo 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 Hilo?
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 |