Grass Height Limits: Honolulu vs Mililani Town
How do grass height limits rules compare between Honolulu, HI and Mililani Town, HI?
Honolulu and Mililani Town have similar restriction levels.
Honolulu, HI
Honolulu County
Honolulu requires property owners to keep their land free of excessive weeds, overgrown grass, and waste. Uncultivated flammable weeds exceeding 18 inches within 30 feet of a building in residential or apartment zones are defined as a public nuisance.
View full Honolulu rules →Mililani Town, HI
Honolulu County
Mililani Town properties in master-planned tracts must keep vegetation from becoming a public nuisance under ROH Chapter 16A; HOA rules often impose stricter limits.
View full Mililani Town rules →Key Facts Comparison
| Fact | Honolulu | Mililani Town |
|---|---|---|
| Nuisance height threshold | 18 inches near buildings | - |
| Proximity rule | Within 30 feet of any building | - |
| Owner notice period | 30 calendar days to comply | - |
| Maximum daily fine | Up to $5,000 per day | - |
| Code | - | ROH Chapter 16A, Article 2 |
| Compliance window | - | 30 days after notice |
| Enforcement | - | Planning and Permitting |
| HOA layer | - | MTA and Mauka AOAOs |
Highlighted rows indicate differences between cities.
Honolulu FAQ
Is there a specific grass height limit throughout my entire lot?
The code specifically targets flammable weeds over 18 inches within 30 feet of structures as a defined nuisance; general overgrowth is also subject to abatement orders if it creates a public nuisance.
What happens if I ignore the city's weed-clearance notice?
After 30 days, the city can hire crews to clear the property and bill you for all costs plus 7% interest annually. The unpaid bill becomes a lien on the property.
Mililani Town FAQ
Do Mililani HOAs override the city rule?
No. HOA rules run in parallel and are often stricter. Homeowners may receive both HOA letters and city notices if overgrowth persists after HOA enforcement.
Who enforces first in Mililani Town?
The Mililani Town Association generally issues compliance letters first. DPP engages when violations persist or involve vacant or absentee-owned lots.
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