AOUO Of 988 Halekauwila
Multifamily Housing in Honolulu, HI · 988 Halekauwila St, Honolulu
At a glance
AOUO Of 988 Halekauwila is a 519,250-square-foot multifamily housing building at 988 Halekauwila St, Honolulu in Honolulu, Hawaii, built in 2019. In its 2025 Honolulu benchmarking disclosure it reported a site energy-use intensity of 24.9 kBtu/ft² and 2,567 tCO₂e of greenhouse-gas emissions.
Ordinance 22-17 (City & County of Honolulu) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 24.9 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 2,567 tCO₂e |
| GHG intensity | — |
| Electricity | 3,771,642 kWh |
| Natural gas | 536 therms |
| Water use | 14,990 kgal |
| Gross floor area | 519,250 sq ft |
| Source record | honolulu:04QFJ1872355483:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 24.9 kBtu/ft² | 2,567 tCO₂e | |
| 2024 | 100 | +27 | 26.7 kBtu/ft² | 2,914 tCO₂e |
| 2023 | 73 | 44.5 kBtu/ft² | 4,720 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
- 988 Halekauwila 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 AOUO Of 988 Halekauwila 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 24.9 kBtu/ft² is about 12% below the average of 28.2 kBtu/ft² — it uses less energy per square foot than the typical building in that group.
At 519,250 sq ft, it is about 226% above the average floor area of 159,294 sq ft for those buildings. It was built in 2019, 40 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 AOUO Of 988 Halekauwila's energy performance changed over time?
BuildingCensus holds 3 Honolulu disclosures for AOUO Of 988 Halekauwila, covering report years 2023–2025. Its ENERGY STAR score went from 73 in 2023 to 100 in 2024 (+27 points). Site EUI moved from 44.5 kBtu/ft² (2023) to 24.9 kBtu/ft² (2025), a 44% decrease. Reported emissions went from 4,720 tCO₂e to 2,567 tCO₂e over the same span (down 46%).
What does a site EUI of 24.9 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. AOUO Of 988 Halekauwila's 24.9 kBtu/ft² across 519,250 sq ft works out to about 12.9 billion Btu (3,789 MWh-equivalent) in 2025. The disclosure also reports 3,771,642 kWh of electricity, 536 therms of natural gas and 14,990 thousand gallons of water for the year.
Which law requires AOUO Of 988 Halekauwila to report its energy use?
AOUO Of 988 Halekauwila 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:04QFJ1872355483:2025). 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
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- Symphony Honolulu AOUO· 499,087 sq ft · EUI 35.8 kBtu/ft²
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- Mauna Luan· 494,570 sq ft · EUI 20.4 kBtu/ft²
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- Multifamily Housing buildings in Honolulu· 378 benchmarked
- All Honolulu benchmarked buildings· Ordinance 22-17 (City & County of Honolulu)
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Frequently asked questions
What is AOUO Of 988 Halekauwila's energy grade?
AOUO Of 988 Halekauwila did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 24.9 kBtu/ft².
How much energy does AOUO Of 988 Halekauwila use?
Its 2025 site energy-use intensity was 24.9 kBtu/ft² across 519,250 sq ft, including 3,771,642 kWh of electricity and 536 therms of natural gas.
What are AOUO Of 988 Halekauwila's carbon emissions?
AOUO Of 988 Halekauwila reported 2,567 tCO₂e of greenhouse-gas emissions for 2025.
Where is AOUO Of 988 Halekauwila?
AOUO Of 988 Halekauwila is at 988 Halekauwila St, Honolulu, in Honolulu, Hawaii.
How big is AOUO Of 988 Halekauwila and when was it built?
AOUO Of 988 Halekauwila has 519,250 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 2019 as its year built. It is classed as multifamily housing.
Is AOUO Of 988 Halekauwila 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, “AOUO Of 988 Halekauwila, Honolulu, Hawaii — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/honolulu/aouo-of-988-halekauwila-52da2237 (data as of July 9, 2026).