909 Kapiolani
Multifamily Housing in Honolulu, HI · 909 Kapiolani Blvd, Honolulu
At a glance
909 Kapiolani is a 187,644-square-foot multifamily housing building at 909 Kapiolani Blvd, Honolulu in Honolulu, Hawaii, built in 2005. In its 2025 Honolulu benchmarking disclosure it reported a site energy-use intensity of 37.3 kBtu/ft² and 1,477 tCO₂e of greenhouse-gas emissions.
Ordinance 22-17 (City & County of Honolulu) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 37.3 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 1,477 tCO₂e |
| GHG intensity | — |
| Electricity | 2,051,605 kWh |
| Natural gas | 35 therms |
| Water use | 9,721 kgal |
| Gross floor area | 187,644 sq ft |
| Source record | honolulu:04QFJ1902455573:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 37.3 kBtu/ft² | 1,477 tCO₂e | |
| 2024 | 55 | -34 | 40.0 kBtu/ft² | 1,583 tCO₂e |
| 2023 | 89 | 46.1 kBtu/ft² | 1,800 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
- 909 Kapiolani Blvd, 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 909 Kapiolani 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 37.3 kBtu/ft² is about 32% above the average of 28.2 kBtu/ft² — it uses more energy per square foot than the typical building in that group.
At 187,644 sq ft, it is about 18% above the average floor area of 159,294 sq ft for those buildings. It was built in 2005, 26 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 909 Kapiolani's energy performance changed over time?
BuildingCensus holds 3 Honolulu disclosures for 909 Kapiolani, covering report years 2023–2025. Its ENERGY STAR score went from 89 in 2023 to 55 in 2024 (-34 points); its best year on file was 2023, at 89. Site EUI moved from 46.1 kBtu/ft² (2023) to 37.3 kBtu/ft² (2025), a 19% decrease. Reported emissions went from 1,800 tCO₂e to 1,477 tCO₂e over the same span (down 18%).
What does a site EUI of 37.3 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. 909 Kapiolani's 37.3 kBtu/ft² across 187,644 sq ft works out to about 7 billion Btu (2,051 MWh-equivalent) in 2025. The disclosure also reports 2,051,605 kWh of electricity, 35 therms of natural gas and 9,721 thousand gallons of water for the year.
Which law requires 909 Kapiolani to report its energy use?
909 Kapiolani 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:04QFJ1902455573:2025). 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
- 1450 Young St· 184,290 sq ft · EUI 26.5 kBtu/ft²
- Halekauwila Place Apartments· 181,350 sq ft · EUI 34.0 kBtu/ft²
- Makaha Surfside· 180,349 sq ft · score 100 (A)
- The Contessa· 180,000 sq ft
- Keauhou Lane· 179,471 sq ft · EUI 39.2 kBtu/ft²
- Poinciana Manor· 175,664 sq ft · EUI 20.4 kBtu/ft²
- Multifamily Housing buildings in Honolulu· 378 benchmarked
- 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 909 Kapiolani's energy grade?
909 Kapiolani did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 37.3 kBtu/ft².
How much energy does 909 Kapiolani use?
Its 2025 site energy-use intensity was 37.3 kBtu/ft² across 187,644 sq ft, including 2,051,605 kWh of electricity and 35 therms of natural gas.
What are 909 Kapiolani's carbon emissions?
909 Kapiolani reported 1,477 tCO₂e of greenhouse-gas emissions for 2025.
Where is 909 Kapiolani?
909 Kapiolani is at 909 Kapiolani Blvd, Honolulu, in Honolulu, Hawaii.
How big is 909 Kapiolani and when was it built?
909 Kapiolani has 187,644 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 2005 as its year built. It is classed as multifamily housing.
Is 909 Kapiolani 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, “909 Kapiolani, Honolulu, Hawaii — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/honolulu/909-kapiolani-bf34ff22 (data as of July 9, 2026).