This Honolulu Ordinance considers green roofs infeasible only when: (i) the building is a single-family residence, (ii) the roof is occupied by energy or mechanical systems, or (iii) the roof slope exceeds 25% (14°).
Policy Details:
Locale: City and County of Honolulu, Hawaii [West]
Climate zone: Zone 1A: Very Hot Humid
Jurisdiction: Municipality [>150K]
Policy Type(s): City Code
Citation:
Honolulu, Haw., Dep’t of Plan. & Permitting, Rules Relating to Water Quality § 20-3-63(c)(2) (July 2024).




