R-75 Zone in Honolulu, HI
R-75 zoning district rules in Honolulu, HI. Permitted uses, setbacks, height limits, and lot coverage requirements.
The R-75 zone in Honolulu, HI is a residential district (Single-Family Residential). Permits one dwelling unit per lot. Typically the most restrictive residential zone. Designed to preserve the character of established single-family neighborhoods. This zone requires a 25 ft front setback, 7 ft side setback, and 20 ft rear setback. Maximum building height is 25 feet (2 stories). Maximum lot coverage is 45%.
Common Permitted Uses
- Single-family homes
Permits one dwelling unit per lot. Typically the most restrictive residential zone. Designed to preserve the character of established single-family neighborhoods.
Setback Requirements
| Setback Type | Requirement |
|---|---|
| Front Setback | 25 feet |
| Side Setback | 7 feet |
| Rear Setback | 20 feet |
Honolulu LUO R-7.5 (Single-Family Residential, 7,500 sqft minimum lot) — larger lots with proportionally larger setbacks. Common in Manoa, Nuuanu valleys.
Height Limits
- Max Height
- 25 feet
- Max Stories
- 2
Honolulu LUO R-7.5 — 25 ft height limit.
Lot Coverage
- Max Coverage
- 45%
Honolulu LUO R-7.5 — 45% lot coverage for larger-lot single-family.
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