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Building Setbacks & Zoning in Mililani Town, HI (2026)

3 verified building setbacks & zoning rules for Mililani Town, Hawaii, sourced directly from the municipal code and official government pages.

Verified from official government sources

Setback Rules

Mililani Town building setbacks combine ROH Sec. 21-4.30 and 21-3.70-1 with HOA-specific building envelopes. Master-planned layouts frequently set stricter yard requirements than baseline city code.

Building Setbacks in Mililani Town

Some Restrictions

Structure Height Limits

ROH Sec. 21-4.60 limits Mililani Town residential building heights to roughly 25 feet flat or 30 feet pitched, with HOA guidelines often further restricting visible bulk in this master-planned community.

Building Height Caps in Mililani Town

Some Restrictions

Lot Coverage Limits

Mililani Town residential lots follow ROH Sec. 21-3.70-1 impervious caps. Homes permitted after May 1, 2019 are limited to 75 percent impervious coverage, with HOAs often requiring additional landscaped area.

Mililani Impervious Surface Caps

Heavy Restrictions

Looking for Honolulu County county-wide rules?

County ordinances apply to unincorporated areas and may supplement Mililani Town city rules.

Building Setbacks & Zoning in Honolulu County