Reference only. Data sourced from HUD/FHFA (2025). This site is a private entity and not affiliated with any government agency.
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Flood risk by county

National Risk Index scores attached to every county calculator.

CountyRiskScoreDetails
Hawaii CountyModerate51View
Honolulu CountyVery High93View
Kalawao CountyVery High98View
Kauai CountyHigh56View
Maui CountyHigh55View