Accessory Structures in Kapolei, HI (2026)
5 verified accessory structures rules for Kapolei, Hawaii, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
Kapolei homeowners may build one ADU per zoning lot in eligible residential districts under ROH Sec. 21-5.720, subject to size, parking, owner-occupancy, and 30-day minimum rental rules.
Accessory Dwelling Units in Kapolei
Some RestrictionsShed Rules
Sheds in Kapolei are accessory structures subject to ROH Sec. 21-4.30 yard setbacks and Sec. 21-4.60 height limits; small sheds may be permit-exempt under Chapter 18.
Kapolei Shed and Yard Rules
Some RestrictionsGarage Conversions
Converting a garage to living space in Kapolei triggers ADU rules under ROH Sec. 21-5.720 and building-permit requirements in Sec. 18-3.2, plus replacement off-street parking.
Garage Conversions in Kapolei
Heavy RestrictionsCarport Rules
ROH Sec. 21-2.140-1 limits Kapolei carports and garages to 20 ft by 20 ft horizontally, with hillside Type V-B carports allowed to exceed one story in specified conditions.
Carport Size and Hillside Rules
Some RestrictionsTiny Homes
Permanent tiny homes in Kapolei are regulated as ADUs under ROH Sec. 21-5.720; tiny homes on wheels cannot be used as permanent residences in residential zones.
Tiny Homes as ADUs in Kapolei
Heavy RestrictionsLooking for Honolulu County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Kapolei city rules.
Accessory Structures in Honolulu County →