Kapolei Zoning & Land Use Guide
Key Zoning Facts
Kapolei Zoning Overview
Kapolei is designated as Oahu's "second city," a planned urban center on the leeward plain of west Oahu intended to reduce commuter dependence on downtown Honolulu. Developed since the early 1990s on former sugar cane land, Kapolei has grown into a significant employment, commercial, and residential hub with government offices, retail centers, and mixed-use developments. As part of the City and County of Honolulu, zoning is administered by the Honolulu Department of Planning and Permitting.
Kapolei's zoning reflects its planned nature, with a defined urban core designed for walkability and mixed-use development, surrounded by residential neighborhoods and supported by regional commercial and industrial areas. The city center features some of the highest allowable building heights on the Ewa plain, accommodating mid-rise office buildings and residential towers. The Honolulu Skyline rail system's western terminus at East Kapolei is expected to further catalyze transit-oriented development in the area.
Key Zoning Districts
Kapolei includes R-5 residential zones for single-family neighborhoods, A-1 and A-2 apartment districts for multi-family housing, BMX-3 mixed-use zoning in the city center allowing heights up to 100 feet, and I-1 industrial zones in the Campbell Industrial Park area. The Kapolei Harborside area is planned for future commercial and residential expansion.
ADU Regulations
Honolulu's ohana unit ordinance applies in Kapolei, allowing ADUs up to 800 square feet on residential lots. As in other planned communities, HOA restrictions in many Kapolei neighborhoods may limit ADU feasibility. The newer development pattern, with relatively small lot sizes in many subdivisions, can also constrain the ability to meet setback and parking requirements for an accessory unit.
Development Process
Permits are processed by the Honolulu Department of Planning and Permitting. The Ewa Development Plan and Kapolei area-specific guidelines inform development decisions. Master-planned development areas may have additional design review requirements enforced through planned development permits and community associations.
Regulatory Layers That Apply in Kapolei
Your property is subject to ALL of these regulatory layers. Each one can impose additional requirements beyond the others.
Federal
- FEMA Flood Zones: Applicable
- View FEMA Flood Map
County — Honolulu County
- Role: Property records, tax assessment, unincorporated area planning
City / Municipal
The city's zoning ordinance, building codes, and local permits form the primary layer of land-use regulation for your property.
Overlay Districts
No overlay districts identified.
Private Restrictions
- HOA / CC&Rs common: Yes
- Check HOA CC&Rs for additional restrictions.
Primary Zoning Districts
- Min Lot
- 5,000 sq ft
- Max Height
- 25 ft
- Front Setback
- 15 ft
- Side Setback
- 5 ft
- Rear Setback
- 10 ft
- Min Lot
- 5,000 sq ft
- Max Height
- 60 ft
- Front Setback
- 15 ft
- Side Setback
- 10 ft
- Rear Setback
- 10 ft
- Min Lot
- None
- Max Height
- 100 ft
- Front Setback
- 0 ft
- Side Setback
- 0 ft
- Rear Setback
- 10 ft
ADU Rules in Kapolei
- Max Size
- 800 sq ft
- Max Height
- 25 ft
- Rear Setback
- 5 ft
- Side Setback
- 5 ft
- Parking
- 1 off-street space required
- Owner Occupancy
- Owner must occupy either the primary or accessory dwelling
- Permit Timeline
- 60-90 days
Permit Costs & Timelines
Permit Costs & Timelines
Specific permit fee schedules for Kapolei are available from the local planning department. Fees vary based on project type, scope, and valuation.
Check Kapolei permit fees →