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🌍 Environmental Rules/Flood Zones

Flood Zones: Ewa Gentry vs Kapolei

How do flood zones rules compare between Ewa Gentry, HI and Kapolei, HI?

Ewa Gentry and Kapolei have similar restriction levels.

Ewa Gentry, HI

Honolulu County

Heavy Restrictions

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 β†’

Kapolei, HI

Honolulu County

Heavy Restrictions

Kapolei parcels within FEMA special flood hazard areas are regulated by ROH Chapter 21A, which sets elevation, flood-proofing, and variance standards for floodplain development.

View full Kapolei rules β†’

Key Facts Comparison

FactEwa GentryKapolei
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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.

Kapolei FAQ

Is my Kapolei property in a flood zone?

Check the FEMA FIRM adopted by Sec. 21A-1.5 or request a determination from the Department of Planning and Permitting before starting any project.

Can I build a finished basement in a Kapolei flood zone?

Below-base-flood-elevation occupied space is generally restricted under Chapter 21A's elevation standards for new construction and substantial improvements.

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