Liliuokalani Gardens
Multifamily Housing in Honolulu, HI · 300 Wai Nani Way, Honolulu
At a glance
Liliuokalani Gardens is a 237,500-square-foot multifamily housing building at 300 Wai Nani Way, Honolulu in Honolulu, Hawaii, built in 1984. In its 2025 Honolulu benchmarking disclosure it reported a site energy-use intensity of 40.7 kBtu/ft² and 1,801 tCO₂e of greenhouse-gas emissions.
Ordinance 22-17 (City & County of Honolulu) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 40.7 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 1,801 tCO₂e |
| GHG intensity | — |
| Electricity | 2,581,393 kWh |
| Natural gas | 8,603 therms |
| Water use | 18,079 kgal |
| Gross floor area | 237,500 sq ft |
| Source record | honolulu:04QFJ2250553079:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 40.7 kBtu/ft² | 1,801 tCO₂e | |
| 2024 | 16 | -84 | 76.6 kBtu/ft² | 1,870 tCO₂e |
| 2023 | 100 | 26.5 kBtu/ft² | 1,906 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
- 300 Wai Nani Way, 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 Liliuokalani Gardens compare with other multifamily housing buildings in Honolulu?
The latest disclosures cover 378 multifamily housing buildings in Honolulu, out of 799 buildings citywide. Its site EUI of 40.7 kBtu/ft² is about 44% above the average of 28.2 kBtu/ft² — it uses more energy per square foot than the typical building in that group.
At 237,500 sq ft, it is about 49% above the average floor area of 159,294 sq ft for those buildings. It was built in 1984, 5 years later than the group's average year built (1979). Across all 24 jurisdictions BuildingCensus covers, the 59,945 multifamily housing buildings average an ENERGY STAR score of 70 and a site EUI of 59.0 kBtu/ft².
How has Liliuokalani Gardens's energy performance changed over time?
BuildingCensus holds 3 Honolulu disclosures for Liliuokalani Gardens, covering report years 2023–2025. Its ENERGY STAR score went from 100 in 2023 to 16 in 2024 (-84 points); its best year on file was 2023, at 100. Site EUI moved from 26.5 kBtu/ft² (2023) to 40.7 kBtu/ft² (2025), an 54% increase. Reported emissions went from 1,906 tCO₂e to 1,801 tCO₂e over the same span (down 6%).
What does a site EUI of 40.7 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. Liliuokalani Gardens's 40.7 kBtu/ft² across 237,500 sq ft works out to about 9.7 billion Btu (2,833 MWh-equivalent) in 2025. The disclosure also reports 2,581,393 kWh of electricity, 8,603 therms of natural gas and 18,079 thousand gallons of water for the year.
Which law requires Liliuokalani Gardens to report its energy use?
Liliuokalani Gardens 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:04QFJ2250553079:2025). Honolulu's Ordinance 22-17 requires commercial buildings over 25,000 sq ft on Oʻahu to benchmark annually, with public disclosure of results.
More multifamily housing buildings in Honolulu
- Harbour Ridge· 237,194 sq ft · EUI 31.8 kBtu/ft²
- Kauhale Kaka'ako· 234,378 sq ft · EUI 25.1 kBtu/ft²
- Kahala Towers· 233,000 sq ft · EUI 18.8 kBtu/ft²
- Plantation Town Apartments· 231,086 sq ft · EUI 13.1 kBtu/ft²
- Royal Capitol Plaza· 227,792 sq ft · EUI 31.1 kBtu/ft²
- Windward Passage· 225,000 sq ft · EUI 20.0 kBtu/ft²
- Multifamily Housing buildings in Honolulu· 378 benchmarked
- All Honolulu benchmarked buildings· Ordinance 22-17 (City & County of Honolulu)
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- Least efficient large buildings in Honolulu
- Biggest emitters in Honolulu
Frequently asked questions
What is Liliuokalani Gardens's energy grade?
Liliuokalani Gardens did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 40.7 kBtu/ft².
How much energy does Liliuokalani Gardens use?
Its 2025 site energy-use intensity was 40.7 kBtu/ft² across 237,500 sq ft, including 2,581,393 kWh of electricity and 8,603 therms of natural gas.
What are Liliuokalani Gardens's carbon emissions?
Liliuokalani Gardens reported 1,801 tCO₂e of greenhouse-gas emissions for 2025.
Where is Liliuokalani Gardens?
Liliuokalani Gardens is at 300 Wai Nani Way, Honolulu, in Honolulu, Hawaii.
How big is Liliuokalani Gardens and when was it built?
Liliuokalani Gardens has 237,500 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 1984 as its year built. It is classed as multifamily housing.
Is Liliuokalani Gardens 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, “Liliuokalani Gardens, Honolulu, Hawaii — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/honolulu/liliuokalani-gardens-172d543e (data as of July 9, 2026).