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πŸ“ Building Setbacks & Zoning/Lot Coverage Limits

Lot Coverage Limits: Ewa Gentry vs Mililani Mauka

How do lot coverage limits rules compare between Ewa Gentry, HI and Mililani Mauka, HI?

Ewa Gentry and Mililani Mauka have similar restriction levels.

Ewa Gentry, HI

Honolulu County

Heavy Restrictions

ROH Sec. 21-3.70-1 imposes impervious-surface caps on Ewa Gentry homes, including a 75 percent impervious limit for dwellings permitted after May 1, 2019.

View full Ewa Gentry rules β†’

Mililani Mauka, HI

Honolulu County

Heavy Restrictions

ROH Sec. 21-3.70-1 imposes impervious-surface caps on Mililani Mauka lots, including a 75 percent impervious limit for dwellings permitted after May 1, 2019.

View full Mililani Mauka rules β†’

Key Facts Comparison

FactEwa GentryMililani Mauka
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Highlighted rows indicate differences between cities.

Ewa Gentry FAQ

Does a grass paver driveway count as impervious?

Partially pervious surfaces may reduce the counted impervious area, but classification is determined by DPP during plan review.

Do pools count toward lot coverage?

Pool water surfaces and surrounding decks typically count toward impervious coverage in Ewa Gentry.

Mililani Mauka FAQ

Can I pave over my front yard for more parking?

Full front-yard paving often exceeds the 75 percent impervious cap and conflicts with MTA front-yard landscape rules.

Do decks count toward impervious coverage?

Solid-surface decks generally count as impervious, while open-slatted decks over pervious ground may count less.

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