Waipahu, HI Radon Levels

Q: What EPA Radon Zone is Waipahu in?

Waipahu is in Honolulu County, EPA Zone 3.

Q: How much does radon mitigation cost in Waipahu?

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

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

Waipahu, HI Radon Facts

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

County Honolulu County, HI

Zip Code 96797

Part of Honolulu County in the greater Honolulu Metro area, Waipahu sits on volcanic soils characteristic of Oahu's geology, typically associated with lower radon production. Available testing data for zip code 96797 is currently insufficient for comprehensive analysis. While Hawaii's volcanic foundation generally creates favorable conditions regarding radon, professional testing remains the most reliable method for homeowners to evaluate their specific indoor air quality.

Waipahu, 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 Waipahu?

100% Free, No-Obligation Quotes
Matches You with State-Licensed Honolulu County Pros

1-800-299-3578 Toll-free · Mon–Fri 8am–6pm ET

Radon FAQ for Waipahu, HI

What EPA Radon Zone is Waipahu in?

Waipahu and the 96797 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 Waipahu?

Radon mitigation in Waipahu 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 Waipahu?

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