Landscaping Rules in East Honolulu, HI (2026)
9 verified landscaping rules for East Honolulu, Hawaii, sourced directly from the municipal code and official government pages.
Verified from official government sources
Grass Height Limits
East Honolulu properties from Hawaii Kai to Portlock must keep vegetation from becoming a fire hazard or vermin harborage under ROH Chapter 16A public nuisance rules.
East Honolulu Overgrown Vegetation and Weed Nuisance Rules
Some RestrictionsTree Trimming
East Honolulu homeowners along Kalanianaole Highway and residential streets must follow ROH Sec. 10-1.4 permit rules for trimming or pruning street trees in the public right-of-way.
East Honolulu Street Tree and Hedge Trimming Rules
Some RestrictionsTree Removal & Heritage Trees
Designated exceptional trees in East Honolulu, including mature specimens in Aina Haina and Niu Valley estates, cannot be removed without a Parks and Recreation permit under ROH Chapter 40, Article 8.
East Honolulu Exceptional Tree Removal Permit Rules
Heavy RestrictionsWeed Ordinances
Vacant lots in East Honolulu, including undeveloped hillside parcels near Koko Head and Kuliouou ridge, are subject to ROH Chapter 16A weed abatement notices from the city.
East Honolulu Vacant Lot Weed Abatement Rules
Some RestrictionsWater Restrictions
East Honolulu's large lots from Portlock to Kalama Valley must follow ROH Chapter 30 water management provisions plus Honolulu Board of Water Supply conservation stages during shortages.
East Honolulu Water Conservation and Irrigation Rules
Some RestrictionsRainwater Harvesting
East Honolulu permits residential rainwater harvesting. No Honolulu ordinance restricts collection, and the Board of Water Supply offers rebates attractive for large Hawaii Kai and Aina Haina lots.
East Honolulu Rainwater Harvesting Guidelines
Few RestrictionsNative Plants
East Honolulu landscaping follows LUO Sec. 21-4.70. Native Hawaiian species are permitted substitutions, making them a strong drought option for dry Hawaii Kai and Portlock lots.
East Honolulu Native Hawaiian Plant Landscape Options
Few RestrictionsArtificial Turf
East Honolulu has no specific ban on artificial turf, but LUO Sec. 21-4.70 landscape area requirements determine whether synthetic grass counts toward zoning landscape coverage.
East Honolulu Artificial Turf and Synthetic Grass Rules
Few RestrictionsComposting
East Honolulu residents follow ROH Sec. 42-3.5 food waste recycling and the city's G.R.O.W. curbside program, with home composting allowed for typical Hawaii Kai and Aina Haina yards.
East Honolulu Food Waste and Yard Waste Composting Rules
Some RestrictionsLooking for Honolulu County county-wide rules?
County ordinances apply to unincorporated areas and may supplement East Honolulu city rules.
Landscaping Rules in Honolulu County →