Honolulu County has no specific ordinance on artificial turf; LUO Sec. 21-4.70 governs landscape area requirements countywide, and Planning and Permitting decides case-by-case whether synthetic turf satisfies landscape percentages.
No Honolulu ordinance bans, mandates, or permits synthetic turf specifically. LUO Sec. 21-4.70 sets minimum landscape area thresholds in applicable zoning districts. Whether artificial turf counts toward those thresholds depends on Department of Planning and Permitting review of submitted plans. Countywide, homeowners in Mililani, Kapolei, and Hawaii Kai often install turf for drought tolerance, while HOAs may impose separate rules. No permit fees or inspections apply to residential synthetic turf replacement of lawn on its own.
If turf installation eliminates required landscape area, Planning and Permitting can require corrective landscaping; no standalone penalty for synthetic turf exists.
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See how Honolulu County's artificial turf rules stack up against other locations.
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