A-1 Zone in Honolulu, HI
A-1 zoning district rules in Honolulu, HI. Permitted uses, setbacks, height limits, and lot coverage requirements.
The A-1 zone in Honolulu, HI is a residential district (Agricultural Residential). Permits rural residential uses with significant acreage requirements. Allows farming, equestrian uses, and accessory structures that urban zones prohibit. This zone requires a 15 ft front setback, 5 ft side setback, and 10 ft rear setback. Maximum building height is 45 feet (4 stories). Maximum lot coverage is 55%.
Common Permitted Uses
- Single-family homes
- Farming
- Equestrian
- Agricultural uses
Permits rural residential uses with significant acreage requirements. Allows farming, equestrian uses, and accessory structures that urban zones prohibit.
Setback Requirements
| Setback Type | Requirement |
|---|---|
| Front Setback | 15 feet |
| Side Setback | 5 feet |
| Rear Setback | 10 feet |
Honolulu LUO A-1 (Low-Density Apartment) — allows duplexes, triplexes, and low-rise apartment buildings. Reduced setbacks.
Height Limits
- Max Height
- 45 feet
- Max Stories
- 4
Honolulu LUO A-1 (Low-Density Apartment) — 45 ft, 4 stories maximum.
Lot Coverage
- Max Coverage
- 55%
Honolulu LUO A-1 (Low-Density Apartment) — 55% lot coverage.
Parking Requirements
Single-family: 2 spaces per single-family dwelling. Covered parking (carport or garage) strongly preferred in Hawaii due to sun and weather. Multi-family: 1–1.5 spaces per unit depending on bedroom count and proximity to Skyline rail transit. Reduced requirements near rail stations.
Source: Revised Ordinances of Honolulu Chapter 21 (Land Use Ordinance); Hawaii Revised Statutes Section 46-4.5 (Act 232, 2023). Last verified April 6, 2026. View source