Fort Shafter, HI Radon Levels

Q: What EPA Radon Zone is Fort Shafter in?

Fort Shafter is in Honolulu County, EPA Zone 3.

Q: How much does radon mitigation cost in Fort Shafter?

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

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

Fort Shafter, HI Radon Facts

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

County Honolulu County, HI

Zip Code 96858

Fort Shafter in Honolulu County benefits from Hawaii's EPA Zone 3 low radon potential, with volcanic soils typically producing minimal radon gas in zip code 96858. Limited testing data reflects the generally low radon risk across the Hawaiian Islands. While radon concerns are minimal due to the volcanic geology and tropical construction practices, military families may still choose to test as a precautionary measure.

Fort Shafter, 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 Fort Shafter, HI

What EPA Radon Zone is Fort Shafter in?

Fort Shafter and the 96858 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 Fort Shafter?

Radon mitigation in Fort Shafter 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 Fort Shafter?

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