Flood Zones: East Honolulu vs Ewa Gentry
How do flood zones rules compare between East Honolulu, HI and Ewa Gentry, HI?
East Honolulu and Ewa Gentry have similar restriction levels.
East Honolulu, HI
Honolulu County
Development in East Honolulu's FEMA-mapped flood zones falls under ROH Chapter 21A, which governs special flood hazard areas, flood fringe elevation standards, and flood variance procedures.
View full East Honolulu rules →Ewa Gentry, HI
Honolulu County
Ewa Gentry parcels mapped within FEMA special flood hazard areas are regulated by ROH Chapter 21A, which sets elevation and construction standards for floodplain development.
View full Ewa Gentry rules →Key Facts Comparison
| Fact | East Honolulu | Ewa Gentry |
|---|---|---|
| - | - |
Highlighted rows indicate differences between cities.
East Honolulu FAQ
How do I know if my Aina Haina home is in a flood zone?
Check the FEMA Flood Insurance Rate Maps adopted under Sec. 21A-1.5 through the city's GIS or the FEMA map service center to determine your property's flood zone designation.
What elevation must new construction meet?
Under Sec. 21A-1.8, new construction in the flood fringe must be elevated to or above base flood elevation, with specific requirements depending on the flood zone designation.
Ewa Gentry FAQ
How do I know if my Ewa Gentry home is in a flood zone?
Check the FEMA Flood Insurance Rate Map adopted by Sec. 21A-1.5 or contact the Department of Planning and Permitting for a formal determination.
Can I get a variance from flood elevation standards?
Sec. 21A-1.12 provides a flood variance procedure, but it is limited and requires specific findings about hardship and compliance with federal standards.
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