Royal Garden At Waikiki
Other - Lodging/Residential in Honolulu, HI · 440 Olohana St, Honolulu
At a glance
Royal Garden At Waikiki is a 114,970-square-foot other - lodging/residential building at 440 Olohana St, Honolulu in Honolulu, Hawaii, built in 1977. In its 2025 Honolulu benchmarking disclosure it reported a site energy-use intensity of 61.4 kBtu/ft² and 1,230 tCO₂e of greenhouse-gas emissions.
Ordinance 22-17 (City & County of Honolulu) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 61.4 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 1,230 tCO₂e |
| GHG intensity | — |
| Electricity | 1,587,337 kWh |
| Natural gas | 16,447 therms |
| Water use | 7,095 kgal |
| Gross floor area | 114,970 sq ft |
| Source record | honolulu:04QFJ2136354084:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 61.4 kBtu/ft² | 1,230 tCO₂e | |
| 2024 | — | 70.1 kBtu/ft² | 1,480 tCO₂e | |
| 2023 | — | 70.2 kBtu/ft² | 1,513 tCO₂e |
Compliance context
Ordinance 22-17 (City & County of Honolulu)
Honolulu's Ordinance 22-17 requires commercial buildings over 25,000 sq ft on Oʻahu to benchmark annually, with public disclosure of results.
Ownership
No owning organisation shown. Names of private individuals in the disclosure are not published here.
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Location
- Address
- 440 Olohana St, Honolulu
- City
- Honolulu
- State
- Hawaii
Within ~1 km
Nearby benchmarked buildings
This source publishes no coordinates, so nearby buildings can't be resolved yet.
See also: most efficient in Honolulu · biggest emitters
How does Royal Garden At Waikiki compare with other other - lodging/residential buildings in Honolulu?
The latest disclosures cover 12 other - lodging/residential buildings in Honolulu, out of 799 buildings citywide. Its site EUI of 61.4 kBtu/ft² is about 45% above the average of 42.2 kBtu/ft² — it uses more energy per square foot than the typical building in that group.
At 114,970 sq ft, it is about 44% below the average floor area of 206,744 sq ft for those buildings. Its 1977 construction date is close to the group's average year built (1977). Across all 24 jurisdictions BuildingCensus covers, the 327 other - lodging/residential buildings average an ENERGY STAR score of 70 and a site EUI of 75.4 kBtu/ft².
How has Royal Garden At Waikiki's energy performance changed over time?
BuildingCensus holds 3 Honolulu disclosures for Royal Garden At Waikiki, covering report years 2023–2025. Site EUI moved from 70.2 kBtu/ft² (2023) to 61.4 kBtu/ft² (2025), a 13% decrease. Reported emissions went from 1,513 tCO₂e to 1,230 tCO₂e over the same span (down 19%).
What does a site EUI of 61.4 kBtu/ft² mean?
Site energy-use intensity (EUI) is the energy a building uses on site in a year divided by its floor area, in thousand Btu per square foot — lower is more efficient. Royal Garden At Waikiki's 61.4 kBtu/ft² across 114,970 sq ft works out to about 7.1 billion Btu (2,069 MWh-equivalent) in 2025. The disclosure also reports 1,587,337 kWh of electricity, 16,447 therms of natural gas and 7,095 thousand gallons of water for the year.
Which law requires Royal Garden At Waikiki to report its energy use?
Royal Garden At Waikiki reports under Ordinance 22-17 (City & County of Honolulu), the legal basis of Honolulu's Better Buildings Benchmarking program, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2025 disclosure (source record honolulu:04QFJ2136354084:2025). Honolulu's Ordinance 22-17 requires commercial buildings over 25,000 sq ft on Oʻahu to benchmark annually, with public disclosure of results.
More other - lodging/residential buildings in Honolulu
- Pacific Monarch· 93,275 sq ft · EUI 68.7 kBtu/ft²
- Sans Souci· 57,143 sq ft · EUI 17.3 kBtu/ft²
- Crescent Park AOAO· 56,209 sq ft
- Hawaiian Colony· 25,000 sq ft · EUI 44.7 kBtu/ft²
- All Honolulu benchmarked buildings· Ordinance 22-17 (City & County of Honolulu)
- Most efficient large buildings in Honolulu
- Least efficient large buildings in Honolulu
- Biggest emitters in Honolulu
Frequently asked questions
What is Royal Garden At Waikiki's energy grade?
Royal Garden At Waikiki did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 61.4 kBtu/ft².
How much energy does Royal Garden At Waikiki use?
Its 2025 site energy-use intensity was 61.4 kBtu/ft² across 114,970 sq ft, including 1,587,337 kWh of electricity and 16,447 therms of natural gas.
What are Royal Garden At Waikiki's carbon emissions?
Royal Garden At Waikiki reported 1,230 tCO₂e of greenhouse-gas emissions for 2025.
Where is Royal Garden At Waikiki?
Royal Garden At Waikiki is at 440 Olohana St, Honolulu, in Honolulu, Hawaii.
How big is Royal Garden At Waikiki and when was it built?
Royal Garden At Waikiki has 114,970 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 1977 as its year built. It is classed as other - lodging/residential.
Is Royal Garden At Waikiki covered by Ordinance 22-17 (City & County of Honolulu)?
Yes — it appears in the 2025 Better Buildings Benchmarking disclosure, which lists the buildings reporting under Ordinance 22-17 (City & County of Honolulu).
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About this data
Source: Better Buildings Benchmarking (Ordinance 22-17 (City & County of Honolulu)), as published July 9, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “Royal Garden At Waikiki, Honolulu, Hawaii — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/honolulu/royal-garden-at-waikiki-ccd4243d (data as of July 9, 2026).