Flood Zones: Ewa Gentry vs Kailua
How do flood zones rules compare between Ewa Gentry, HI and Kailua, HI?
Ewa Gentry and Kailua have similar restriction levels.
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 →Kailua, HI
Honolulu County
Much of low-lying Kailua sits in FEMA-mapped flood zones, and ROH Chapter 21A sets elevation, foundation, and variance standards for development in these areas.
View full Kailua rules →Key Facts Comparison
| Fact | Ewa Gentry | Kailua |
|---|---|---|
| - | - |
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.
Kailua FAQ
Do I need flood insurance in Kailua?
Many Kailua properties are in flood zones where federally backed mortgages require flood insurance; check the FEMA map for your parcel.
Can I finish a ground floor below base flood elevation?
Only limited, flood-resistant uses are allowed below base flood elevation; habitable finishes generally are not permitted without a variance.
Compare other topics
See how Ewa Gentry and Kailua compare on other ordinance categories.
Want to add a third city?
Use our full comparison tool to compare up to three cities.
Open Comparison Tool