Rules for ZIP Code 96789
Mililani, HI · Honolulu County
120 local rules on file for this area. The rules on file for this ZIP code come from Honolulu County.
ZIP code 96789 is unincorporated Honolulu County land, in the community of Mililani Town: about 100% of its residents live outside any city or town, so the county's ordinances are the local rules here. County rules tend to differ from nearby cities in areas like noise enforcement, building setbacks, and animal regulations.
ZIP codes do not follow city lines. 96789 also covers:
- Mililani Mauka (community)~25% of residents
- Mililani Town (community)~34% of residents
Shares are estimates from 2020 Census geography. If your address is in one of these, its rules apply instead.
Each topic below links to the full ordinance breakdown with specific code sections, fine amounts, and answers to common questions. The data is sourced from the official municipal code and verified by our editorial team.
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These are the local rules that apply to ZIP code 96789 based on Honolulu County ordinances.
Special Events & Permits
5 rules- Street Fair RulesSignificant
- Commercial Filming on Public Right-of-WaySome
- Parade PermitsSignificant
- Sidewalk Dining & CafésSome
- Park Event PermitsSome
Noise Ordinances
5 rulesParking Rules
8 rulesTrash & Recycling
9 rules- Illegal DumpingSignificant
- Mandatory Organics RecyclingSome
- Bulk Item DisposalSome
- Bin Placement RulesSome
- Pickup Rules & SchedulesSome
Building Safety
7 rulesOutdoor Cooking
1 rule- Smoker RulesSome
Fire Regulations
5 rules- Fire Pits & Backyard FiresSome
- Smoke DetectorsSome
- Outdoor BurningSome
- Propane StorageSome
- FireworksHeavy
Property Maintenance
2 rules- Vacant Lot MaintenanceSome
- Property BlightSignificant
Short-Term Rentals
10 rules- Taxes & FeesSome
- Noise RulesSome
- Repeat Violator StrikesSignificant
- Extended Home ShareSignificant
- Short-Term Rental PermitsSome
Home Business
4 rulesHomelessness & Encampment Rules
2 rules- Sit-Lie RulesSignificant
- Encampment SanitationHeavy
Historic Preservation
1 ruleOutdoor Lighting
2 rulesSidewalk & Pedestrian Rules
2 rulesFood Trucks & Mobile Vendors
3 rules- Food Truck PermitsSignificant
- Sidewalk & Mobile VendingSome
- Vending ZonesSome
Fence Regulations
4 rules- Height LimitsSome
- Retaining WallsSome
- Material RestrictionsSignificant
- Fence Permit RequirementsSome
Public Conduct
4 rules- Aggressive PanhandlingSome
- Outdoor Smoking RestrictionsSignificant
- Loitering RulesSome
- Public Alcohol UseSignificant
Hurricane Preparedness
2 rules- Hurricane ShuttersSome
- Storm DebrisLight
Landscaping Rules
4 rules- Tree TrimmingSome
- Tree Removal & Heritage TreesHeavy
- Native PlantsLight
- Weed OrdinancesSome
Swimming Pools & Spas
1 ruleEnvironmental Rules
4 rules- Erosion ControlSignificant
- Flood ZonesSignificant
- Flood Elevation RequirementsSome
- Stormwater ManagementSignificant
Mobility & Curb Rules
3 rulesSign Regulations
4 rules- Political SignsFew
- Digital BillboardsHeavy
- Window SignsLight
- Garage Sale SignsSignificant
Soliciting & Door-to-Door
1 rule- Solicitor PermitsLight
Business Licensing & Operations
3 rules- Secondhand DealersSome
- Auto Repair on Residential PropertySignificant
- Adult EntertainmentSignificant
Building Setbacks & Zoning
3 rulesAccessory Structures
4 rules- Garage ConversionsSome
- ADU RulesSome
- Shed & Carport RulesSignificant
- ADU Rental RestrictionsSignificant
Right to Farm
1 ruleData Centers & Crypto Mining
1 ruleAnimal Ordinances
5 rules- Cat RulesSome
- Breed RestrictionsSignificant
- BeekeepingSome
- Mandatory Spay/NeuterSignificant
- Chickens & LivestockSignificant
Zoning Overlays & Bonuses
2 rules- Density Bonus LawLight
- Downtown Design GuideSignificant
Curfew Laws
1 rule- Park CurfewSome
Solar Energy
2 rulesRental Property Rules
1 ruleHotels & Lodging
1 ruleTree Protection
1 rule- Parkway PlantingSome
Code Violation Reporting
1 rule- How to ReportLight