Flood Zones: Ewa Gentry vs Mililani Mauka
How do flood zones rules compare between Ewa Gentry, HI and Mililani Mauka, HI?
Mililani Mauka has fewer restrictions than Ewa Gentry.
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 →Mililani Mauka, HI
Honolulu County
Most Mililani Mauka parcels sit on elevated terrain outside special flood hazard areas, but ROH Chapter 21A still governs any properties mapped within FEMA flood zones.
View full Mililani Mauka rules →Key Facts Comparison
| Fact | Ewa Gentry | Mililani Mauka |
|---|---|---|
| - | - |
Highlighted rows indicate differences between cities.
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.
Mililani Mauka FAQ
Is my Mililani Mauka home likely in a flood zone?
Most upland lots are in Zone X, but parcels near stream corridors can fall within mapped flood zones; verify using the FEMA FIRM or ask DPP.
What if my project is near a drainage easement?
Drainage easements often carry mapped flood zones, so Chapter 21A elevation and construction standards may apply to any new construction nearby.
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