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πŸ—οΈ Accessory Structures/ADU Rules

ADU Rules: Mililani Mauka vs Pearl City

How do adu rules rules compare between Mililani Mauka, HI and Pearl City, HI?

Pearl City has fewer restrictions than Mililani Mauka.

Mililani Mauka, HI

Honolulu County

Heavy Restrictions

Mililani Mauka homeowners may build one ADU per zoning lot under ROH Sec. 21-5.720 if city rules and the Mililani Mauka Community Association covenants allow, with parking and 30-day rental minimums required.

View full Mililani Mauka rules β†’

Pearl City, HI

Honolulu County

Some Restrictions

Pearl City homeowners, including military families near Pearl Harbor, may build one accessory dwelling unit per zoning lot in eligible residential districts, subject to parking, occupancy, and rental-duration limits.

View full Pearl City rules β†’

Key Facts Comparison

FactMililani MaukaPearl City
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Highlighted rows indicate differences between cities.

Mililani Mauka FAQ

Does the Mililani Mauka HOA allow ADUs?

Check the Mililani Mauka Community Association design guidelines; approval is required before any city permit can legally be used on a covenanted lot.

Can I rent my ADU short-term?

No. Rentals under 30 days are prohibited in ADUs under city rules.

Pearl City FAQ

Can a military family add an ADU for visiting relatives?

Yes, if the property is in an eligible residential district and meets ADU standards. Long-term rental is allowed, but short-term rental under 30 days is not.

Does the ADU need its own parking stall?

Yes, ADUs typically require an additional off-street parking space under Sec. 21-5.720. Verify the specific requirement with DPP before applying.

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