Urban Honolulu enforces ROH Chapter 40 Article 8 on exceptional trees that line Manoa, Makiki, and Nuuanu residential streets, blocking removal without a Parks and Recreation permit except under Sec. 40-8.9 emergencies.
Urban Honolulu has no specific artificial turf ordinance; LUO Sec. 21-4.70 landscape rules apply citywide, with DPP deciding case-by-case whether turf counts toward required landscape area in dense projects.
Urban Honolulu regulates overgrown vegetation as a public nuisance under ROH Chapter 16A without a numeric grass height, with dense enforcement pressure in Waikiki, Kakaako, and Ala Moana neighborhoods.
ROH 15-14.1 prohibits stopping, standing, or parking in front of any public or private driveway or within 4 feet of either side across dense Urban Honolulu neighborhoods.
ROH 15-13.8 defines abandoned vehicles as unattended over 24 hours on Urban Honolulu streets and lets the police chief or customer services director remove them.
ROH 15-14.5 drives Schedule XXII no-parking signs throughout Urban Honolulu, while ROH 15-13.5 sets how close to the curb vehicles must park.
Urban Honolulu has no blanket overnight parking ban; ROH 15-14.6 enforces parking prohibited during certain hours only on sign-posted routes.
LUO 21-6.60 requires EV-ready stalls in new multi-family (8+ stalls) and commercial (12+ stalls) parking across Urban Honolulu, with compact resizing allowed for pre-Dec 2020 stalls.
ROH 15-16.6 prohibits storage parking of commercial vehicles on Urban Honolulu streets without posted signs; LUO 21-6.20 sets the companion off-street parking rules.
In dense Urban Honolulu, including Waikiki and Ala Moana, ROH 15-16.6 bans storage parking of commercial vehicles, boat trailers, and RV trailers on public streets without posted signs.
Urban Honolulu STRs must post maximum occupancy per bedroom on the DPP-approved floor plan under ROH Sec. 21-5.730, with bedroom count caps for B&Bs.
Urban Honolulu STRs must file a parking plan and provide on-site off-street parking under ROH Sec. 21-5.730, which is critical in parking-scarce Waikiki and Ala Moana.
Honolulu STRs must register annually with DPP and hold a nonconforming use certificate, B&B permit, or resort-zone TVU permit. Unregistered operation triggers fines up to 10,000 dollars per day.
Urban Honolulu STR operators must carry at least $1,000,000 in commercial general liability insurance under ROH Sec. 21-5.730, submitted with each annual registration.
Urban Honolulu bed and breakfasts and transient vacation units, including Waikiki and Ala Moana, must register with DPP under ROH Sec. 21-5.730 before hosting stays under 90 days.
Urban Honolulu STR operators collect the 3% Oahu Transient Accommodations Tax under ROH Sec. 8A-1.1 on gross rental proceeds from stays under 180 consecutive days.
Urban Honolulu STR operators and guests in Waikiki, Ala Moana, and Kakaako must comply with ROH Sec. 41-6.1, which bars unreasonable noise that disturbs neighbors.
Honolulu Ordinance 22-7 requires a 90-night minimum stay outside resort-zoned areas. Waikiki and designated resort zones may host stays as short as 30 nights or less with a permit.
Urban Honolulu has no dedicated tiny-home ordinance; permanent tiny homes are regulated as ADUs under ROH Sec. 21-5.720, which effectively limits them to R-5 through R-20 neighborhoods outside the dense apartment core.
On Urban Honolulu's typically small residential lots, sheds must meet tighter effective clearances under ROH Sec. 21-4.30 setbacks and Sec. 21-4.60 height limits, with smaller sheds potentially exempt from building permits.
Urban Honolulu garage conversions must meet ADU rules in ROH Sec. 21-5.720 plus building-permit requirements in Sec. 18-3.2, and lost parking must be replaced on-lot even on tight urban parcels.
Most Urban Honolulu lots sit in apartment or mixed-use zones where ADUs under ROH Sec. 21-5.720 are not permitted; ADUs are generally limited to R-5 through R-20 single-family neighborhoods like Manoa, Kaimuki, and Nuuanu.
Urban Honolulu carports must comply with the 20-by-20-foot horizontal limit in ROH Sec. 21-2.140-1, with Type V-B hillside carports allowed extra height in mauka neighborhoods like Makiki Heights and Manoa.
Urban Honolulu sits under Daniel K. Inouye and tour-helicopter routes, but aircraft noise is governed by federal preemption and HRS 261-12, not by city ordinance.
Urban Honolulu enforces the animal nuisance ordinance in high-rise condos and townhomes where barking carries through lanais and stairwells.
Urban Honolulu construction, especially in dense Kakaako and Ala Moana high-rise corridors, is controlled by state rule HAR 11-46 rather than a city ordinance.
Leaf blower use near Urban Honolulu condos and residential streets is limited by state rule HAR 11-46 with fixed daytime windows.
Urban Honolulu industrial noise in Mapunapuna, Sand Island, and Iwilei is capped by HAR 11-46 dBA limits with local backup from ROH Chapter 41 Article 6.
Outdoor amplified music in Honolulu must meet zoning decibel limits and generally stops by 10 p.m. Special events and Waikiki venues need DOH noise permits.
Honolulu follows statewide DOH decibel limits: 55/45 dBA (day/night) in residential, 60/50 dBA in commercial, and 70/70 dBA in industrial zones, measured at the property line.
Urban Honolulu tightly limits outdoor PA and amplified music where Waikiki resort zoning, Kakaako mixed-use, and Ala Moana commercial districts meet housing.
Urban Honolulu applies the 30-foot audibility standard aggressively in Waikiki, Ala Moana, and downtown where dense housing sits beside nightlife.
Urban Honolulu parcels adjoining hillsides or open space may lie within Hazardous Fire Areas under ROH Chapter 20, requiring 30-foot defensible space and possibly more when HFD orders.
Honolulu allows grills and small fire pits on private property. Fire pits must be 3 feet max diameter, 15 feet from structures, burn only clean firewood, and be supervised. Yard waste burning is banned.
Open burning in Urban Honolulu is controlled by ROH Chapter 20 adopting NFPA 1 Chapter 10, with parallel Hawaii Department of Health air quality permits required for many activities.
In Urban Honolulu, fireworks are controlled by ROH Chapter 20 Article 6 sections 20-6.1 through 20-6.14, licensing display and firecracker operators while banning consumer aerial devices.
Urban Honolulu residents using fire pits follow ROH Chapter 20, which adopts NFPA 1 open burning rules and is enforced by the Honolulu Fire Department through the consolidated city-county government.
Urban Honolulu does not use a wildfire overlay zone; instead ROH Chapter 20 adopts NFPA 1's Hazardous Fire Areas approach, letting the Fire Chief designate risk zones on slopes near the urban core.
Urban Honolulu propane installations are regulated by ROH Chapter 20, which adopts NFPA 1 Chapter 69 and NFPA 58, triggering plan review at 125-gallon water capacity and vehicle barrier requirements.
Honolulu dwellings need smoke alarms in every bedroom, outside sleeping areas, and each floor under the State Fire Code. New construction requires hardwired interconnected alarms. Landlords test at each tenancy.
Urban Honolulu family child care homes operating in apartments and single-family homes require a Hawaii DHS license under HRS 346-151 and must also satisfy ROH Sec. 21-5.350, with condominium rules frequently adding the tightest constraints.
In Urban Honolulu's mixed-use corridors and residential towers, ROH Chapter 21 Article 7 restricts home-business signage to small non-illuminated nameplates, with additional facade-control rules in Ala Moana, Kakaako, and downtown districts.
Urban Honolulu cottage food operators must obtain a state Hawaii DOH homemade food permit under HRS 321 and must still satisfy ROH Sec. 21-5.350 home occupation limits, plus typical condominium restrictions on commercial kitchen use.
In Urban Honolulu's tight streets and parking-scarce neighborhoods from Waikiki to Salt Lake, ROH Sec. 21-5.350 client-traffic standards are aggressively enforced to prevent parking spillover and delivery congestion around residential buildings.
Honolulu home occupation approvals are issued by the Department of Planning and Permitting under the Land Use Ordinance, ROH Chapter 21, with a written application, location plan, and compliance with limits on traffic, signage, and outward appearance.
In dense Urban Honolulu neighborhoods like Kakaako, Ala Moana, and Makiki, ROH Sec. 21-5.350 allows home occupations as incidental accessory uses, layered over stricter condominium and TOD overlay rules common in high-rise buildings.
Livestock in urban Honolulu is restricted to agricultural zones, and ALL incoming animals face Hawaiis strict quarantine under HRS 142 including 120-day rabies quarantine for dogs and cats.
Exotic pets in Honolulu are regulated at the state level under HRS 150A and HAR 4-71, with one of the strictest prohibited-animal regimes in the country, while the ROH Animal Nuisance article supports local enforcement.
Dogs in public places in Honolulu must be restrained by a leash, cord, or chain of no more than eight feet under ROH Chapter 7 Article 4, with stricter six-foot and adult-handler rules for dogs declared dangerous.
Honolulu caps noncommercial chicken keeping at two hens per household under ROH 7-2.4, bans roosters in noncommercial settings, and requires enclosures to meet zoning setback and sanitation rules across the Urban Honolulu CDP.
Honolulu has no breed-specific legislation; ROH Chapter 7 Article 7 regulates individual dogs adjudicated dangerous, imposing muzzle, six-foot leash, and adult-handler controls rather than banning specific breeds such as pit bulls.
Honolulu has no dedicated beekeeping ordinance; hives are treated as an agricultural activity permitted only in zoning districts that allow agriculture under the Land Use Ordinance (ROH Chapter 21), with state apiary registration required under HRS 152.
Animal hoarding in Honolulu is charged under state HRS 711-1109.6 as a misdemeanor when more than 15 dogs or cats are kept in neglectful conditions, while ROH 7-2.5 treats ten or more dogs or cats per household as an Animal Nuisance.
Honolulu has no blanket wildlife-feeding ban in the ROH; state HRS 183D and HRS 195D, plus federal marine-mammal laws, govern wildlife, while feral-animal nuisance issues in the city fall under ROH 7-2 Animal Nuisances.
Honolulu fences must meet setback, height, sight-distance, and hurricane wind-load requirements under ROH Chapters 18 and 21, with coastal SMA review adding requirements near the shoreline.
Urban Honolulu enforces the islandwide Land Use Ordinance at ROH 21-4.60 to limit fence, wall, and hedge heights in Waikiki, Ala Moana, Manoa, and other CDP neighborhoods.
Urban Honolulu property owners obtain fence and wall permits from the Honolulu Department of Planning and Permitting under ROH 18-3.1, which exempts retaining or riprap walls up to 30 inches tall.
Urban Honolulu limits retaining walls that contain fill within required yards to 6 feet under ROH 21-4.40 and combines terraced wall heights to prevent stacking around hillside lots.
Urban Honolulu homes with private swimming pools must install compliant fence barriers meeting ROH 16-6.2, a critical drowning-prevention rule in densely populated neighborhoods like Waikiki and Ala Moana.
Honolulu does not ban common fence materials but prohibits barbed wire in residential zones, electric fences without special approval, and non-compliant materials in historic and coastal districts.
Urban Honolulu resolves neighbor boundary fence disputes under ROH 21-4.30 yard and setback rules combined with 21-4.60 height limits, since Hawaii has no dedicated spite fence statute.
Urban Honolulu pools must follow Chapter 16 Article 6 for residential pools and Article 7 for public or condo pools, covering barriers, signage, equipment, and operation.
Residential pools in urban Honolulu must be enclosed by a four-foot fence or equivalent barrier with self-closing, self-latching gates, meeting ROH 16-6.2 and state law HRS 46-73.
Above-ground pools are rare in condo-heavy urban Honolulu but still require barriers, permits, and compliance with Article 16-6 wherever they are installed, including single-family lots.
Hot tubs and spas in urban Honolulu follow the residential swimming pool article and require permits, barriers, and electrical and plumbing code compliance before use.
Homeowners and condo associations in urban Honolulu must pull a city building permit under Chapter 18 before constructing, rebuilding, or substantially altering any swimming pool.
Urban Honolulu provides expedited solar PV permitting under ROH Sec. 18-5.10 for systems up to 20 kW, with solar-readiness rules shaping new builds in Kakaako and Salt Lake and strict electrical review for condos.
Urban Honolulu follows HRS Sec. 196-7, which voids HOA or townhouse-association bans on solar devices for single-family dwellings and townhouses in neighborhoods like Hawaii Kai, Kahala, and Salt Lake.
Urban Honolulu recreational drone flying is restricted in Kapiolani Park, Ala Moana Beach Park, and other city parks to designated areas under ROH Sec. 10-1.2.
Urban Honolulu commercial drone operations follow FAA Part 107, ROH Chapter 40 Article 28 aerial advertising limits, and park and airspace restrictions near Waikiki and HNL.
Urban Honolulu has no just cause eviction ordinance; terminations follow state law HRS Section 521-71 with 45 days' notice for month-to-month and 120 days for conversions.
Urban Honolulu requires no long-term rental registration, but short-term rentals under 90 days must register with DPP under LUO Section 21-5.730, with a $1,000 initial fee.
Urban Honolulu has no rent control ordinance; residential rents are governed by Hawaii's statewide Residential Landlord-Tenant Code in HRS Chapter 521, which places no cap on increases.
Honolulu has no separate juvenile curfew, so Urban Honolulu follows HRS Sec. 577-16: children under 16 may not be in public places between 10:00 p.m. and 4:00 a.m. without a parent or guardian.
Urban Honolulu parks including Kapiolani, Ala Moana Beach, and Kakaako Waterfront close nightly under ROH Sec. 10-1.2, with beach-park traverse permitted only by the most direct route to the shoreline.
FEMA Special Flood Hazard Areas on Oahu are regulated under ROH Chapter 21A. New AE-zone construction must elevate lowest floor to BFE plus one foot freeboard, and VE zones require pilings.
Roofs in Honolulu must resist 130+ mph design wind loads per ASCE 7. Hurricane clips at every rafter, engineered sheathing nailing, and wind-rated coverings are required on new roofs and reroofs.
New construction in Honolulu must protect glazed openings against windborne debris under the Honolulu Building Code. Options include impact-rated windows tested to ASTM E1886/E1996 or approved shutters.
Honolulu protects designated Exceptional Trees under ROH Chapter 41. Trimming, relocation, or removal of an Exceptional Tree requires approval from the Department of Parks and Recreation.
Urban Honolulu street trees along Kalakaua, King, and Beretania require a permit before removal, trimming, or replacement under ROH 10-1.4.
Iconic Urban Honolulu trees, including banyans in Waikiki and historic specimens on Capitol grounds, can be listed as exceptional and protected under ROH 40-8.
Urban Honolulu imposes replacement through Chapter 40 Article 8 conditions and ROH 10-1.4 street tree permits rather than a single replacement chapter.
Honolulu dispensary zoning follows state HRS 329D-22, which requires compliance with local LUO rules, a 750-foot buffer from schools and playgrounds, and separate locations for production and retail dispensaries.
Home cannabis cultivation in Honolulu is governed exclusively by Hawaii state law HRS 329-122, allowing 329-card patients to grow up to ten tagged plants at a single registered residence; recreational home grows remain illegal citywide.
Honolulu's LUO 21-4.100 requires full cut-off shielded outdoor lighting for commercial, industrial, and outdoor-recreational development so that direct illumination does not spill into residential or resort districts, complementing the state night sky strategy.
Honolulu addresses light trespass through LUO 21-4.100 shielding and full cut-off fixture requirements rather than a foot-candle property-line standard, with ROH Chapter 41 Public Nuisance available as backup enforcement in residential cases.
Urban Honolulu garage sale signs are permit-exempt temporary signs under ROH Sec. 21-7.20 but cannot be posted in Waikiki or other public rights-of-way under Sec. 21-7.30.
Urban Honolulu lacks a dedicated holiday display ordinance; seasonal decorations follow ROH Sec. 21-7.20 temporary sign rules, with district limits in Sec. 21-7.40.
Urban Honolulu political campaign signs are temporary signs under ROH Sec. 21-7.20, with right-of-way posting prohibited under Sec. 21-7.30 throughout Waikiki and Ala Moana.
Urban Honolulu food truck operators must hold a ROH Chapter 13 Article 6 peddler's license plus a state Mobile Food Establishment permit and Hawaii general excise tax license.
ROH Section 13-6.2 bans peddling across Urban Honolulu hotspots including Waikiki, Chinatown, Fort Street Mall, Union Street Mall, College Walk Mall, and Sun Yat Sen Mall.
Urban Honolulu's coastal zones, including Waikiki, Kakaako makai, and Ala Moana Beach Park frontage, fall within the Special Management Area, where ROH Chapter 25 requires SMA major or minor permits for most development.
Urban Honolulu's Mapunapuna, Waikiki fringe, and Kakaako makai properties lie in FEMA special flood hazard areas adopted under ROH Sec. 21A-1.5, with elevation and floodproofing required under Sec. 21A-1.8.
Tower excavations and infill projects in Urban Honolulu must obtain grading permits under ROH Chapter 18A, with dewatering, shoring, and drainage coordination critical in Kakaako and Ala Moana's high water-table conditions.
In Urban Honolulu's redevelopment zones from Kakaako to Ala Moana, ROH Chapter 43 Article 11 and Chapter 14 water quality rules require strict MS4 compliance, with illicit discharge prohibitions enforced at construction and operation stages.
Urban Honolulu tower and infill projects in Kakaako, Ala Moana, and Waikiki must submit erosion and sediment control plans under ROH Sec. 18A-1.6, protecting tight streets and storm drains that discharge directly to sensitive coastal waters.
Single-family and townhouse properties in urban Honolulu must use city-issued automated carts and follow curbside placement rules in ROH Section 42-1.4; many condos use private haulers.
Urban Honolulu owners must clear weeds, garbage, and waste within 30 days of a city notice, or the Department of Planning and Permitting will clean the property and lien it with 7 percent interest.
Urban Honolulu has no snow-removal duty but owners must keep sidewalks clear of debris, overgrowth, and fallen fronds under Chapter 13, and handle repairs under Chapter 14.
Honolulu allows occasional yard and garage sales in residential zones as an accessory use under the Land Use Ordinance, but not as ongoing retail or a home occupation.
Vacant lot owners in urban Honolulu must keep property clear of weeds and debris, and respond within 30 days to city cleanup notices issued under Section 40-7.4.
ROH Sec. 42-1.12 authorizes Urban Honolulu's curbside recycling covering at least two streams, typically mixed paper and commingled containers, in single-family areas; condos and apartments rely on building programs.
Urban Honolulu residents must schedule appointment-based bulky pickup under ROH Sec. 42-4.8; items left more than 7 days after written notice are a public nuisance with cost-recovery billing.
On Urban Honolulu's narrow streets, ROH Sec. 42-1.4 curbside placement rules and Sec. 42-1.5 safety limits matter more because blocked sidewalks and crosswalks trigger quicker skipped-collection outcomes.
Urban Honolulu residents follow ROH Sec. 42-1.4, which limits green-waste branches to 9-inch diameter, green-waste length to 3 feet, and bundles to 50 pounds for manual collection routes.
Urban Honolulu has no dedicated do-not-knock registry but regulates solicitation under ROH 13-6.2 and backs up posted no-soliciting signage with Hawaii Revised Statutes trespass law.
Urban Honolulu requires door-to-door peddlers and solicitors operating in Waikiki, Ala Moana, and residential neighborhoods to hold a city peddler's license under ROH Chapter 13, Article 6.
Urban Honolulu caps residential structures at 25 feet under ROH 21-4.60 with a 30-foot envelope plane, while Waikiki, Kakaako, and Ala Moana high-rise districts follow separate maximum heights.
Urban Honolulu enforces ROH 21-4.30 setbacks across dense CDP neighborhoods, with residential districts typically requiring 10-foot front yards and 5-foot side yards plus Waikiki and shoreline overlays.
Urban Honolulu caps impervious surface at 75 percent of lot area for residential dwellings permitted after May 1, 2019, under ROH 21-3.70-1 to manage runoff into the city's storm drains.
Urban Honolulu residents do not need a garage sale permit; LUO 21-5.350 allows occasional sales as an accessory use to normal residential living.
No ROH section numerically caps garage sales in Urban Honolulu; LUO 21-5.350 requires the activity stay occasional and accessory to residential use.
ROH sets no specific garage-sale hours in Urban Honolulu; accessory-use limits flow from LUO 21-5.350 and noise limits flow from ROH Chapter 41.
Hawaii Revised Statutes Chapter 387 sets the statewide minimum wage and governs employer wage obligations. The statute establishes a uniform statewide floor that scheduled increases apply to all counties equally.
Hawaii has no general statewide paid sick leave mandate, but HRS Chapter 392 requires employers to provide temporary disability insurance for non-work injuries, and family leave is governed by HRS Chapter 398.
Hawaii has not enacted a statewide predictive scheduling or fair workweek law. Wage-and-hour rules under HRS Chapter 387 govern overtime and reporting time, but advance scheduling notice is not generally required.
HRS 134-9 governs Hawaii concealed carry licensing. Following the U.S. Supreme Court's Bruen decision, Hawaii revised standards but maintains stringent training, application, and sensitive-place requirements administered by county police chiefs.
Hawaii Revised Statutes Chapter 134 establishes statewide firearms regulations, but unlike many states, Hawaii does not broadly preempt counties from enacting local firearms ordinances on certain matters.
Hawaii prohibits open carry of firearms in public without a license issued under HRS 134-9. Unlicensed open carry is a felony, making Hawaii one of the most restrictive states for visible firearm carrying.
Hawaii imposes some of the nation's strictest rules on carrying firearms in vehicles. HRS 134-25 and HRS 134-26 prohibit carrying a loaded or unloaded pistol, revolver, or long gun in a motor vehicle except under narrow license and transport exceptions.
Hawaii does not require private or public employers to use the federal E-Verify system to confirm employee work authorization. Use of E-Verify in Hawaii is voluntary, except where federal contracts independently require it.
Hawaii has not enacted a statewide sanctuary law nor a statewide preemption forbidding sanctuary policies. Counties and city governments such as Honolulu have adopted their own policies governing local cooperation with federal immigration enforcement.
Hawaii uniquely classifies all land statewide into four state land use districts under HRS Chapter 205, with the Agricultural District protecting farmland and limiting non-agricultural uses across the state.
HRS Chapter 165, Hawaii's Right to Farm Act, protects farming operations from nuisance lawsuits when they have operated for at least one year and were not nuisances at their inception, supporting agricultural land use across the state.
Hawaii has no statewide plastic bag preemption law, but all four counties have enacted bans on non-recyclable plastic checkout bags, making Hawaii the first U.S. state with a de facto statewide ban on single-use plastic bags.
Hawaii has no statewide polystyrene ban, but Honolulu, Hawaii County, Maui County, and Kauai County have adopted ordinances prohibiting food vendors from using polystyrene foam containers for prepared foods.
Hawaii does not regulate plastic straws at the state level, but Maui County and other county ordinances restrict food vendors from automatically providing single-use plastic straws and stirrers to customers.
Hawaii was the first U.S. state to raise the tobacco purchase age to 21 in 2016. HRS 712-1258 prohibits the sale, furnishing, or purchase of tobacco and electronic smoking devices by anyone under 21.
Hawaii has no statewide ban on flavored tobacco or vape products, but the City and County of Honolulu and other county governments have considered or adopted local restrictions, leaving a regulatory patchwork across the islands.
Hawaii regulates retail sales of electronic smoking devices and e-liquid under HRS Chapter 245 and 712-1258, requiring retailer permits, age verification, and packaging standards for all vape products sold in the state.