Coastal Development: Ewa Gentry vs Mililani Mauka
How do coastal development 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 projects near the leeward coastline may fall within a Special Management Area regulated by ROH Chapter 25, implementing HRS Chapter 205A coastal zone management.
View full Ewa Gentry rules →Mililani Mauka, HI
Honolulu County
Mililani Mauka sits well inland of the shoreline and is generally outside Special Management Area boundaries, though ROH Chapter 25 still governs any SMA work elsewhere on Oahu.
View full Mililani Mauka rules →Key Facts Comparison
| Fact | Ewa Gentry | Mililani Mauka |
|---|---|---|
| - | - |
Highlighted rows indicate differences between cities.
Ewa Gentry FAQ
Is my Ewa Gentry home in the SMA?
Most Ewa Gentry interior lots are inland of the SMA, but confirm with the Department of Planning and Permitting before any coastal-adjacent project.
What triggers an SMA permit?
Development within the SMA boundary that meets the valuation or impact thresholds in Chapter 25 triggers either an SMA minor or SMA major permit.
Mililani Mauka FAQ
Does my Mililani Mauka home need an SMA permit?
Almost certainly not, since the community sits inland well outside SMA boundaries, but always confirm with the Department of Planning and Permitting.
I own a beach lot elsewhere. Does Chapter 25 apply?
Yes. SMA rules apply based on the location of the project, so any coastal-area development on Oahu is governed by ROH Chapter 25.
Compare other topics
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