Alexander Arms
Multifamily Housing in Honolulu, HI · 1320 Alexander St, Honolulu
At a glance
Alexander Arms is a 72,384-square-foot multifamily housing building at 1320 Alexander St, Honolulu in Honolulu, Hawaii, built in 1970. In its 2025 Honolulu benchmarking disclosure it reported a site energy-use intensity of 21.1 kBtu/ft² and 322 tCO₂e of greenhouse-gas emissions.
Ordinance 22-17 (City & County of Honolulu) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 21.1 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 322 tCO₂e |
| GHG intensity | — |
| Electricity | 446,902 kWh |
| Water use | 6,845 kgal |
| Gross floor area | 72,384 sq ft |
| Source record | honolulu:04QFJ2117055687:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 21.1 kBtu/ft² | 322 tCO₂e | |
| 2024 | 100 | 21.3 kBtu/ft² | 338 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
- 1320 Alexander 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 Alexander Arms 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 21.1 kBtu/ft² is about 25% below the average of 28.2 kBtu/ft² — it uses less energy per square foot than the typical building in that group.
At 72,384 sq ft, it is about half of the average floor area of 159,294 sq ft for those buildings. It was built in 1970, 9 years earlier 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 Alexander Arms's energy performance changed over time?
BuildingCensus holds 2 Honolulu disclosures for Alexander Arms, covering report years 2024–2025. Site EUI moved from 21.3 kBtu/ft² (2024) to 21.1 kBtu/ft² (2025), a 1% decrease. Reported emissions went from 338 tCO₂e to 322 tCO₂e over the same span (down 5%).
What does a site EUI of 21.1 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. Alexander Arms's 21.1 kBtu/ft² across 72,384 sq ft works out to about 1.5 billion Btu (448 MWh-equivalent) in 2025. The disclosure also reports 446,902 kWh of electricity and 6,845 thousand gallons of water for the year.
Which law requires Alexander Arms to report its energy use?
Alexander Arms 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:04QFJ2117055687:2025). 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
- Waipahu Hall Apartments· 72,000 sq ft
- Country Club Village Bldg 2· 71,664 sq ft · EUI 25.4 kBtu/ft²
- Ka Hale Mo'i· 71,000 sq ft · EUI 14.5 kBtu/ft²
- Lake View Royal· 70,911 sq ft · EUI 26.3 kBtu/ft²
- Pavilion At Waikiki· 70,350 sq ft · EUI 83.1 kBtu/ft²
- Sunset Towers· 69,726 sq ft · EUI 24.8 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 Alexander Arms's energy grade?
Alexander Arms did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 21.1 kBtu/ft².
How much energy does Alexander Arms use?
Its 2025 site energy-use intensity was 21.1 kBtu/ft² across 72,384 sq ft, including 446,902 kWh of electricity.
What are Alexander Arms's carbon emissions?
Alexander Arms reported 322 tCO₂e of greenhouse-gas emissions for 2025.
Where is Alexander Arms?
Alexander Arms is at 1320 Alexander St, Honolulu, in Honolulu, Hawaii.
How big is Alexander Arms and when was it built?
Alexander Arms has 72,384 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 1970 as its year built. It is classed as multifamily housing.
Is Alexander Arms 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, “Alexander Arms, Honolulu, Hawaii — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/honolulu/alexander-arms-f3e0f605 (data as of July 9, 2026).