Fort Shafter, HI Radon Mitigation and Testing

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.

Honolulu County

EPA Zone 3

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.

Fort Shafter, HI Radon Testing

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

Fort Shafter Radon Facts

Key details about the radon risk profile for Fort Shafter and the 96858 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Honolulu County, HI

Zip Code

96858

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Fort Shafter and the 96858 zip code are located in Honolulu 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 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 with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Honolulu	No submissions	0