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Moving to East Honolulu, HI?

Here are the local rules you need to know before you unpack.

Every city has its own set of local ordinances that go beyond state and federal law. From when you can mow your lawn to whether you can park your RV in the driveway, these rules affect daily life in ways most people do not expect. This guide covers the key ordinances in East Honolulu across 25 categories and 122 specific rules we track.

19 Permissive65 Moderate38 Strict

🔊 Noise OrdinancesFull noise ordinances guide →

Noise rules affect everything from weekend parties to lawn care schedules. Quiet hours, construction restrictions, and barking dog limits vary widely between cities.

Construction Hours

Heavy Restrictions

Under HAR 11-46-7(j), a community noise permit may not authorize construction noise exceeding the limits before 7:00 a.m. or after 6:00 p.m. Monday through Friday, before 9:00 a.m. or after 6:00 p.m. on Saturday, or at all on Sundays and holidays.

Code Section: HAR 11-46-7(j)Weekday hours: 7:00 a.m. - 6:00 p.m. (Mon-Fri)

Leaf Blower Rules

Some Restrictions

Leaf blowers and weedwhackers in East Honolulu's manicured Hawaii Kai estates are limited by HAR 11-46 to 8am-7pm weekdays and 9am-7pm Sundays and holidays.

Weekday Hours: 8am to 7pmSunday Hours: 9am to 7pm

Amplified Music & Events

Some Restrictions

Hawaii's state bass-noise statute (HRS 342F-31.5) deems nighttime bass sound over 60 dBC (50 dBC near residential or mixed-use areas) to exceed the maximum permissible nighttime level. Locally, the Revised Ordinances of Honolulu make it unlawful to operate a sound-reproducing device on public property or a vehicle so that it is audible 30 feet away.

Code Section: HRS 342F-31.5; ROH 41-6.1Nighttime bass limit: 60 dBC (50 dBC near residential)

Aircraft Noise

Few Restrictions

No East Honolulu-specific ordinance directly addresses aircraft noise; aircraft and airspace noise are federally preempted and controlled by the FAA under 49 U.S.C. 44715 and the exclusive federal sovereignty of navigable airspace, so the City and County of Honolulu cannot impose local aircraft noise limits.

Code Section: 49 U.S.C. 44715; 49 U.S.C. 40103Local authority: Preempted (federal/FAA)

Industrial Noise

Some Restrictions

ROH Chapter 41 Article 6 supplements state HAR 11-46 decibel limits for any industrial or stationary noise sources impacting East Honolulu residential neighborhoods.

Code Section: ROH Section 41-6State Rule: HAR 11-46

Quiet Hours

Some Restrictions

East Honolulu is part of the City and County of Honolulu, where community noise is governed by the State of Hawaii Department of Health under HAR Chapter 11-46. Nighttime runs 10:00 p.m. to 7:00 a.m., and the maximum permissible sound level in residential (Class A) districts drops from 55 dBA in the daytime to 45 dBA at night.

Code Section: HAR 11-46-4; HRS 342F-31.5Nighttime: 10:00 p.m. - 7:00 a.m.

Barking Dogs

Some Restrictions

Under the Revised Ordinances of Honolulu Chapter 12, an animal that makes noise continuously for ten minutes, or intermittently for one-half hour or more, and disturbs anyone is an 'animal nuisance' that is prohibited at any time of day or night.

Code Section: ROH 12-2.2 / 12-2.3Continuous trigger: 10 minutes

Vehicle Noise

Some Restrictions

HAR 11-46-6(b) requires on-site vehicles and construction equipment to operate with a functioning, unmodified muffler, and Revised Ordinances of Honolulu 41-6.1 bars operating a sound-reproducing device in a vehicle on a public street if it is audible 30 feet away.

Code Section: HAR 11-46-6(b); ROH 41-6.1Muffler: Required, unmodified

Stationary Sources

Some Restrictions

Stationary mechanical equipment such as air conditioners, generators, compressors, and pumps must not exceed the HAR 11-46-4 sound limits (45 dBA at night, 55 dBA daytime in residential zones) measured at or beyond the property line, without a Department of Health permit.

Code Section: HAR 11-46-2; 11-46-6(a)Residential limit: 45 dBA night / 55 dBA day

🏠 Short-Term RentalsFull short-term rentals guide →

If you plan to rent out your home on Airbnb or VRBO - even occasionally - you need to know the local STR rules before listing.

Noise Rules

Some Restrictions

Short-term rental operators in East Honolulu must ensure guests comply with Honolulu's prohibited noise ordinance, particularly during night hours in quiet coastal neighborhoods.

Code Section: ROH 41-6.1Quiet Hours: 10 PM to 7 AM typical

Taxes & Fees

Some Restrictions

East Honolulu short-term rental operators must collect and remit the 3% Oahu Transient Accommodations Tax on gross rental proceeds from stays under 180 consecutive days.

OTAT Rate: 3% of grossCode Section: ROH 8A-1.1

Parking Rules

Some Restrictions

East Honolulu short-term rentals must provide a DPP-approved on-site parking plan as part of registration, with adequate stalls for guest vehicles.

Plan Required: At registrationCode Section: ROH 21-5.730

Insurance Requirements

Heavy Restrictions

East Honolulu short-term rental operators must carry at least $1 million in commercial general liability insurance, with proof submitted to DPP at registration.

Minimum Coverage: $1,000,000Type: Commercial GL or equivalent

Minimum Stay

Heavy Restrictions

Rentals of unregistered dwelling units for fewer than 30 consecutive days are prohibited in residential East Honolulu. Ordinance 22-7 raised the threshold to 90 days, but a federal court permanently enjoined that change for pre-existing legal rentals, restoring the 30-day minimum.

Code Section: ROH Sec. 21-10.1; 21-5.730(d)Operative Minimum (residential): 30 days (per court ruling)

Permit Requirements

Heavy Restrictions

East Honolulu is governed by the City and County of Honolulu. Owners of bed and breakfast homes or transient vacation units must register annually with the Department of Planning and Permitting; new STRs are only allowed in designated apartment/resort areas.

Code Section: ROH Sec. 21-5.730(b)Initial Registration Fee: $1,000

Occupancy Limits

Some Restrictions

Honolulu ordinance limits a bed and breakfast home to two guest rooms and four guests at one time, and caps overnight transient occupants at two adults per allowable sleeping room city-wide.

Code Section: ROH Sec. 21-5.730(b)(3)Max B&B Guest Rooms: 2

Enforcement Rules

Heavy Restrictions

Honolulu's DPP enforces STR rules through notices of violation and order, with civil fines up to $10,000 per day for violations involving transient vacation units or bed and breakfast homes, plus disgorgement of impermissible rental income.

Code Section: ROH Sec. 21-2.150-2General Daily Fine: Up to $5,000/day

Taxes

Some Restrictions

Short-term rentals in East Honolulu owe Hawaii's State Transient Accommodations Tax (10.25%) under HRS Chapter 237D plus the 3% Oahu Transient Accommodations Tax (OTAT) under ROH Chapter 8A, in addition to the general excise tax.

State TAT Rate: 10.25% (HRS 237D-2)Oahu OTAT Rate: 3% (ROH Ch. 8A)

Advertising Rules

Heavy Restrictions

It is unlawful to advertise a Honolulu B&B or transient vacation unit without including the registration or nonconforming use certificate number and the tax map key, and advertising an unregistered unit for under 90 days is prohibited.

Code Section: ROH Sec. 21-5.730(c)Required In Ad: Registration # + tax map key

🔥 Fire RegulationsFull fire regulations guide →

Fire pit rules, fireworks restrictions, and brush clearance requirements are especially important if you are coming from a state with different fire risk profiles.

Fire Pit Rules

Heavy Restrictions

East Honolulu follows the City and County of Honolulu Fire Code: recreational, decorative, or ceremonial open fires (including backyard fire pits and bonfires) require the property owner's written permission plus a letter submitted to the fire department at least 14 days before the event.

Code Section: ROH Sec. 10.11.1.1(2)Advance Notice: Letter to AHJ 14 days prior

Brush Clearance

Heavy Restrictions

East Honolulu hillside and ridge-adjacent parcels in Hawaii Kai, Niu, and Kalani Iki face mandatory brush clearance around structures under Honolulu's adopted Fire Code provisions for hazardous fire areas.

Base Clearance: 30 feet around structuresExtended Zone: Up to 100 feet

Outdoor Burning

Heavy Restrictions

All open burning in East Honolulu must comply with the Honolulu Fire Code: most categories require a letter to the fire department 14 days in advance and a 15-minute pre-light notice, and burning may be prohibited entirely when deemed a hazard.

Code Section: ROH Sec. 10.11.1.1Permitted Categories: 7 listed (cooking, recreational, hazard, etc.)

Wildfire Zones

Heavy Restrictions

East Honolulu hillside neighborhoods may be designated hazardous fire areas by the Honolulu Fire Chief, triggering vegetation, access, and ignition-source management requirements.

Designation Authority: HFD Fire ChiefBasis: NFPA 1 Hazardous Fire Areas

Propane Storage

Some Restrictions

East Honolulu homeowners storing propane for cooking, pool heaters, or backup generators must comply with Honolulu's Fire Code LP-Gas provisions, including permits and plan review for larger containers.

Plan Review Threshold: 125+ gallon capacityStandard: NFPA 58 / NFPA 1 Ch. 69

Backyard Fires

Heavy Restrictions

Backyard recreational and ceremonial fires in East Honolulu are open burning under the Honolulu Fire Code and require owner permission, a 14-day advance letter to the fire department, and a 15-minute pre-light notification; the person who ignites and maintains the fire is responsible for it.

Code Section: ROH Sec. 10.11.1.2Responsibility: Person igniting/maintaining the fire

Fireworks

Heavy Restrictions

Honolulu's Fireworks Control ordinance (ROH Article 6) bans possession or use of consumer fireworks, aerial devices, and display fireworks citywide, with narrow exceptions: firecrackers are allowed only with a permit on New Year's, Fourth of July, Chinese New Year, and approved cultural events.

Code Section: ROH Sec. 20-6.2; 20-6.13Consumer Fireworks: Banned (sparklers, fountains, aerials)

Fire Safety

Some Restrictions

Open-flame performances before an audience (fire dancing, logo burns) in East Honolulu must meet specific Honolulu Fire Code safety rules: 25 feet of clearance to combustibles, 20 feet between performers and the audience, no Class I flammable-liquid fuel, and attended fire extinguishers within 30 feet.

Code Section: ROH Sec. 10.11.11Audience Clearance: 20 feet (net may reduce)

🚗 Parking RulesFull parking rules guide →

Parking rules catch more new residents off guard than almost any other ordinance. RV storage, overnight parking bans, and driveway regulations vary significantly.

RV & Boat Parking

Heavy Restrictions

East Honolulu residents storing RVs, campers, or boat trailers on Hawaii Kai and Aina Haina streets face strict limits under ROH 15-16.6, which prohibits storage parking of trailers and commercial vehicles without posted signs required.

Code Section: ROH 15-16.6Signs Required: No

Driveway Rules

Some Restrictions

In East Honolulu's narrow hillside streets of Portlock and Kuliouou, ROH 15-14.1 prohibits stopping or parking in front of any driveway or within four feet on either side, protecting access for residents and emergency vehicles.

Code Section: ROH 15-14.1Buffer From Driveway: 4 feet each side

Commercial Vehicle Restrictions

Heavy Restrictions

East Honolulu's affluent residential zones strictly limit overnight commercial vehicle parking under ROH 15-16.6, with off-street LUO 21-6.20 requirements governing where box trucks and work vans may be stored long term.

Code Section: ROH 15-16.6Off-Street Rule: LUO 21-6.20

Street Parking Limits

Some Restrictions

East Honolulu streets often post no-parking signs under ROH 15-14.5 Schedule XXII near Kalanianaole Highway and Hawaii Kai shopping center access points, with curb-alignment rules enforced under ROH 15-13.5.

Code Section: ROH 15-14.5Curb Distance: Within 12 inches

Overnight Parking

Some Restrictions

East Honolulu has no blanket overnight street parking ban, but ROH 15-14.6 enforces posted hour-based restrictions, and 72-hour storage limits under ROH 15-16.6 apply to vehicles left continuously on the street.

Code Section: ROH 15-14.6Citywide Ban: None

EV Charging

Some Restrictions

East Honolulu's Hawaii Kai and Aina Haina shopping centers and new multi-family buildings must provide EV-ready stalls under LUO 21-6.60, reflecting Hawaii's high EV adoption rate among affluent coastal communities.

Code Section: LUO 21-6.60Multi-Family Trigger: 8+ stalls

Abandoned Vehicles

Heavy Restrictions

Vehicles left unattended on East Honolulu streets for more than 24 hours may be declared abandoned under ROH 15-13.8, with removal authorized by HPD or the Department of Customer Services and disposal fees assessed.

Code Section: ROH 15-13.8Time Threshold: 24 hours unattended

🧱 Fence RegulationsFull fence regulations guide →

Planning to put up a fence? Height limits, material restrictions, and permit requirements differ by city - and sometimes by which side of the property the fence sits on.

Permit Requirements

Some Restrictions

The City and County of Honolulu Department of Planning and Permitting requires a building permit for any fence greater than 6 feet in height and any wall greater than 30 inches in height, under ROH Chapter 18. Fences at or below 6 feet and walls at or below 30 inches are exempt from the building permit requirement.

Code Section: ROH Chapter 18 (Building Code)Permit required - fences: Greater than 6 feet

Neighbor Fence Rules

Some Restrictions

East Honolulu neighbor fence disputes fall under ROH 21-4.30 yard setbacks combined with 21-4.60 height limits, since Hawaii has no dedicated spite fence statute for Hawaii Kai or Aina Haina lots.

Primary section: ROH 21-4.30Height companion: ROH 21-4.60

Pool Barriers

Heavy Restrictions

East Honolulu pool owners in Hawaii Kai, Portlock, and Aina Haina must install code-compliant barriers under ROH Sec. 16-6.2, with public pools in the CDP subject to companion rules at 16-7.9.

Code section: ROH 16-6.2Minimum height: 4 feet

Material Restrictions

Some Restrictions

The Honolulu Land Use Ordinance does not restrict materials for ordinary residential fences, but where a solid wall or fence is required as a buffer between commercial/industrial and residential uses, chain link is expressly excluded. In certain special districts and the apartment precinct, dwelling fences must use open material such as wrought iron or lattice, not chain link.

Code Section: ROH Sec. 21-4.70-1(d); Sec. 21-5.70-2/-7/-9/-10Ordinary residential fence material: Not generally restricted

Height Limits

Some Restrictions

In East Honolulu, which is governed by the City and County of Honolulu Land Use Ordinance, walls and fences (other than retaining walls) up to 6 feet may enclose or project into any required yard. Public-utility fences may reach 8 feet (9 feet with security wire), and fences on agriculturally dedicated land may reach 10 feet.

Code Section: ROH Sec. 21-4.30(c)Standard max (any required yard): 6 feet

Setbacks

Few Restrictions

Fences and retaining walls are expressly permitted within required yards in East Honolulu, so a conforming fence (up to 6 feet) needs no separate yard setback and may sit on the property line. Curb cuts and sight distances at intersections must meet the Department of Transportation Services design standards.

Code Section: ROH Sec. 21-4.30(a)(4) and (c)Fence setback from property line: None required (may sit on line)

Retaining Walls

Some Restrictions

In East Honolulu, retaining walls containing fill within a required yard may not exceed six feet, measured from the lower of existing or finish grade to the top of the wall. Walls protecting a cut have no height limit, and safety railings or fences on top of a retaining wall are limited so the combined height stays within prescribed limits.

Code Section: ROH Sec. 21-4.40Max fill retaining wall (required yard): 6 feet

Boundary Fences

Some Restrictions

The Honolulu Land Use Ordinance does not set cost-sharing rules for boundary fences, so the Hawaii state partition-fence statute, HRS Chapter 664 Part II, applies. An adjoining owner may petition the circuit court, which decides equitably the kind of division fence to be built or maintained and each party's share of the cost.

Statute: HRS Ch. 664, Part II; HRS Sec. 664-21, 664-23Forum: Circuit court petition

🐔 Animal OrdinancesFull animal ordinances guide →

Pet owners and aspiring chicken keepers should check local animal ordinances before signing a lease or closing on a home.

Dog Leash Laws

Some Restrictions

East Honolulu dogs must be restrained on leashes no longer than eight feet on public streets, school grounds, and public places under ROH Chapter 7, Article 4, including trails like Koko Head and Kuliouou ridge.

Max leash length: 8 feetCode chapter: ROH 7, Art. 4

Chickens & Livestock

Heavy Restrictions

East Honolulu homeowners in Hawaii Kai and Aina Haina may keep no more than two hens under ROH 7-2.4, with roosters banned outright and enclosures required to meet zoning setback and sanitation rules.

Max chickens: 2 per householdRoosters: Prohibited

Breed Restrictions

Some Restrictions

East Honolulu has no breed-specific dog ban. Instead, ROH Chapter 7, Article 7 regulates individual dogs declared dangerous, imposing muzzling, six-foot leash, and adult handler requirements under ROH 7-7.2.

Breed ban: NoneDangerous dog leash: 6 feet max

Beekeeping

Some Restrictions

East Honolulu has no dedicated beekeeping ordinance. Apiaries are treated as agricultural activity under the Land Use Ordinance Chapter 21, with state registration under HRS Chapter 152 required for all hives.

Dedicated ordinance: NoneCode chapter: ROH 21 (LUO)

Exotic Pets

Heavy Restrictions

East Honolulu enforces Hawaii's strict statewide exotic pet ban under HRS Chapter 150A. Snakes, ferrets, hamsters, gerbils, and many others are illegal statewide, with local nuisance remedies under ROH 7-2.

State statute: HRS 150AAdmin rules: HAR 4-71

Animal Hoarding

Heavy Restrictions

East Honolulu households face a ten dog or ten cat cap under ROH 7-2.5, plus state animal hoarding charges under HRS 711-1109.6 when more than fifteen dogs or cats are kept in poor conditions.

County cap: 10 dogs or 10 catsHoarding threshold: 15+ combined

Wildlife Feeding

Some Restrictions

East Honolulu has no blanket local wildlife-feeding ban. State law HRS Chapter 183D and federal MMPA govern feeding of wildlife and monk seals along Hanauma Bay and Maunalua Bay coasts.

State chapter: HRS 183DMonk seal rule: HRS 195D-4.5

🌿 Landscaping RulesFull landscaping rules guide →

From grass height limits to tree removal permits, landscaping rules can surprise new homeowners, especially in drought-prone areas with water restrictions.

Grass Height Limits

Some Restrictions

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.

Code: ROH Chapter 16A, Article 2Compliance window: 30 days after notice

Tree Trimming

Some Restrictions

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.

Code: ROH Sec. 10-1.4Permit issuer: Parks and Recreation Urban Forestry

Weed Ordinances

Some Restrictions

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.

Code: ROH Sec. 16A-2.1 et seq.Notice period: 30 days to comply

Water Restrictions

Some 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.

Code: ROH Sec. 30-2.3Shortage authority: Board of Water Supply

Artificial Turf

Few Restrictions

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.

Code: LUO Sec. 21-4.70Ban: None in ROH

Tree Removal & Heritage Trees

Heavy Restrictions

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.

Code: ROH Secs. 40-8.1 through 40-8.9Permit issuer: Parks and Recreation Department

Native Plants

Few Restrictions

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.

Code: LUO Sec. 21-4.70Mandate: Voluntary, not required

Composting

Some Restrictions

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.

Code: ROH Sec. 42-3.5Curbside start: April 1, 2025

Rainwater Harvesting

Few Restrictions

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.

Ordinance: None specific to harvestingPermit-free limit: Up to 360 gallons outdoor

💼 Home BusinessFull home business guide →

Working from home is common, but running a business from home often requires permits and must comply with zoning restrictions on customer traffic and signage.

Zoning Restrictions

Some Restrictions

Under the Revised Ordinances of Honolulu Land Use Ordinance (Section 21-5.50(c)(3), formerly 21-5.350), a home occupation is an accessory use providing a service or product for compensation in a dwelling that must keep the exterior appearance and character of a dwelling, allow no outdoor storage, and not adversely impact the neighborhood through traffic, noise, or odors.

Code Section: ROH 21-5.50(c)(3) (formerly 21-5.350)Status: Permitted accessory use (P*)

Home Daycare

Some Restrictions

A family child care home is a permitted accessory use in East Honolulu under the Land Use Ordinance, allowing care for up to 6 unrelated children at any given time with no exterior alterations inconsistent with the residential character of the building, in addition to State of Hawaii child-care licensing.

Code Section: ROH 21-5.50(c)(2)Child limit: Up to 6 unrelated children at once

Cottage Food Operations

Some Restrictions

Home-based food sales in East Honolulu fall under Hawaii's state cottage food framework in HRS Chapter 321, updated by 2024 Acts 194 and 195 creating homemade food operation permitting through the Department of Health.

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Home Occupation Permits

Some Restrictions

East Honolulu is part of the City and County of Honolulu, where a home occupation is a permitted accessory use that needs no separate City home-occupation permit, but every home business must register with the State and obtain a Hawaii general excise tax (GET) license under HRS 237-9, paying a one-time $20 fee.

Code Section: HRS 237-9; ROH 21-5.50(c)(3)City home-occ permit: Not required (permitted accessory use)

Signage Rules

Heavy Restrictions

The Revised Ordinances of Honolulu prohibit any exterior sign, display, or advertisement that shows a dwelling is used for a home occupation; under Section 21-5.350(c) there must be no exterior sign that shows the building is used for anything but residential use, and the Land Use Ordinance requires the exterior to remain that of a dwelling.

Code Section: ROH 21-5.350(c); 21-5.50(c)(3)(B)(i)Exterior business sign: Prohibited

Customer Traffic Restrictions

Some Restrictions

Home occupations that depend on client visits, including group instruction, must provide one off-street parking space per five clients on the premises at any one time, in addition to the dwelling's required parking, and commercial vehicles associated with the home occupation may not be parked on the street.

Code Section: ROH 21-6.30(d); 21-5.50(c)(3)Client parking: 1 off-street space per 5 clients

🏊 Swimming Pools & SpasFull swimming pools & spas guide →

Pool ownership comes with safety fencing requirements, permit obligations, and drainage rules that vary by jurisdiction.

Safety Rules

Heavy Restrictions

Article 6 of Chapter 16 sets the full residential pool safety program for East Honolulu, covering purpose, barriers, new-construction standards, modifications, limited exceptions, and civil penalties for noncompliance.

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Above-Ground Pools

Some Restrictions

East Honolulu does not have a separate ordinance for above-ground pools; they are governed by the residential pool article and the adopted Hawaii State Residential Code, with barrier rules applying once depth thresholds are met.

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Hot Tub Rules

Some Restrictions

Hot tubs and spas in East Honolulu are regulated as residential pools under Chapter 16 Article 6, with barrier rules triggered once depth or capacity meet thresholds from the adopted state residential code.

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Fencing Requirements

Heavy Restrictions

East Honolulu is governed by the City and County of Honolulu, whose Building Code (ROH Chapter 16, Article 6) requires every residential swimming pool to be enclosed by a barrier meeting International Building Code Sections 3109.4 and 3109.5. The barrier must be at least 48 inches high, have no more than a 2-inch gap at the bottom, openings no larger than a 4-inch sphere, and self-closing, self-latching gates.

Code Section: ROH Sec. 16-6.2; IBC Sec. 3109.4Minimum barrier height: 48 inches (4 ft)

Safety Requirements

Heavy Restrictions

Beyond the perimeter barrier, East Honolulu pools must meet additional drowning- and entrapment-prevention rules. ROH Sec. 16-6.2 and 16-7.6 require suction outlets to comply with ANSI/APSP-7 (IBC Sec. 3109.5), and unprotected or non-compliant pools are enforced under ROH Sec. 16-6.6 as a misdemeanor with fines up to $1,000 and civil penalties up to $1,000 per day.

Code Section: ROH Sec. 16-6.2 / 16-7.6; IBC Sec. 3109.5Suction-outlet standard: ANSI/APSP-7

Pool Permits

Some Restrictions

In East Honolulu a building permit is required before constructing a residential swimming pool, spa, or hot tub. The City and County of Honolulu Building Code (ROH Sec. 16, Section 105) requires a permit for all work covered by the code as provided in ROH Chapter 18, and the Department of Planning and Permitting reviews pool plans for compliance with the barrier and structural standards.

Residential permit: Required (ROH Sec. 16 / Ch. 18)Adopted codes: 2018 IBC and 2018 IRC

Maintenance

Some Restrictions

For East Honolulu, the City defers public swimming pool maintenance to the State. ROH Sec. 16-7.5 provides that operation and maintenance of public swimming pools must comply with the State Department of Health rules in Hawaii Administrative Rules Chapter 11-10, which set minimum water-quality standards including pH between 7.2 and 7.8, a chlorine residual of at least 0.6 ppm, and immediate closure when water clarity fails.

Code Section: ROH Sec. 16-7.5; HAR Sec. 11-10-15Required pH: 7.2 to 7.8

Public Pools

Some Restrictions

Public swimming pools in East Honolulu - including condominium, hotel, and apartment pools - are regulated by both the City Building Code (ROH Chapter 16, Article 7) and the State Department of Health under Hawaii Administrative Rules Chapter 11-10. ROH expressly places public pools 'under the purview of the State Department of Health,' which requires a permit to operate and ongoing inspections.

Code Section: ROH Sec. 16-7.5/16-7.9; HAR Ch. 11-10Regulator: State Dept. of Health, Food Safety Branch

🏗️ Accessory StructuresFull accessory structures guide →

Thinking about an ADU, shed, or garage conversion? Local rules on accessory structures have changed rapidly in recent years, especially in California.

Carport Rules

Some Restrictions

Carports in East Honolulu are limited to 20 by 20 feet in horizontal dimensions. Hillside carports of Type V-B construction may exceed one story under specified conditions, reflecting Hawaii Kai's sloping terrain.

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Tiny Homes

Heavy Restrictions

East Honolulu does not recognize a separate tiny-home category. Permanent tiny homes on foundations are regulated as ADUs. Movable tiny homes on wheels are generally not permitted as permanent dwellings.

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Detached Garage

Some Restrictions

In East Honolulu (City and County of Honolulu), detached garages and carports must generally meet residential yard setbacks of 10 feet in front and 5 feet on the sides and rear; a one- or two-car garage may encroach into a required front or side yard only by Director adjustment when no other viable site exists, capped at roughly 20 by 20 feet.

Code Section: ROH 21-2.140-1(a); Table 21-3.2Jurisdiction: City and County of Honolulu

Height Limits

Some Restrictions

In East Honolulu (City and County of Honolulu), structures in residential districts must fit within a building envelope formed by intersecting 25-foot and 30-foot planes, and any portion of an accessory or main structure above 15 feet must step back one foot from each side and rear line for every two feet of added height.

Code Section: ROH 21-3.70-1(c)Jurisdiction: City and County of Honolulu

ADU Rules

Some Restrictions

East Honolulu (City and County of Honolulu) permits one accessory dwelling unit on residential and country lots of 3,500 square feet or more under the Land Use Ordinance, capping the ADU at 400 square feet on lots up to 4,999 square feet and 800 square feet on lots of 5,000 square feet or more, with one extra off-street parking space and a recorded covenant.

Code Section: ROH 21-5.720 (Ord. 15-41)Jurisdiction: City and County of Honolulu (LUO, ROH Ch. 21)

Shed Rules

Few Restrictions

In East Honolulu (City and County of Honolulu), a one-story detached storage shed accessory to a home is exempt from a building permit when the aggregate floor area of such structures is 120 square feet or less, but the shed must still meet Land Use Ordinance yard and use limits.

Permit exemption: 1-story detached shed; aggregate 120 sq ft or less (ROH Ch. 18 / IBC-IRC)Jurisdiction: City and County of Honolulu

Garage Conversions

Some Restrictions

In East Honolulu (City and County of Honolulu), an existing legally established accessory structure such as a detached garage in a residential or country district may be converted into an accessory dwelling unit, and the Director may waive the floor-area cap or the extra parking space where viable constraints exist; a one- or two-car garage in a required yard may not be converted to a non-garage use.

Code Section: ROH Ch. 21 (ADU conversion provision); 21-2.140-1(a)Jurisdiction: City and County of Honolulu

🌍 Environmental RulesFull environmental rules guide →

🌱 Cannabis RegulationsFull cannabis regulations guide →

☀️ Solar EnergyFull solar energy guide →

🪧 Sign RegulationsFull sign regulations guide →

🏚️ Property MaintenanceFull property maintenance guide →

💡 Outdoor LightingFull outdoor lighting guide →

🔑 Rental Property RulesFull rental property rules guide →

🗑️ Trash & RecyclingFull trash & recycling guide →

🚁 Drone RulesFull drone rules guide →

🍔 Food Trucks & Mobile VendorsFull food trucks & mobile vendors guide →

🚪 Soliciting & Door-to-DoorFull soliciting & door-to-door guide →

🌙 Curfew LawsFull curfew laws guide →

📐 Building Setbacks & ZoningFull building setbacks & zoning guide →

🌳 Tree ProtectionFull tree protection guide →

🏷️ Garage & Yard SalesFull garage & yard sales guide →

Overall: What to Expect in East Honolulu

East Honolulu has 122 ordinances on file across 25 categories. Of these, 19 are rated permissive, 65 moderate, and 38 strict. This gives you a general sense of how tightly regulated daily life is in East Honolulu compared to other cities.

Rules can change, and enforcement varies. Always verify specific requirements with the city directly before making major decisions like building a fence, listing on Airbnb, or starting a home business.

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