Hale Mahana
Multifamily Housing in Honolulu, HI · 2615 S King St, Honolulu
At a glance
Hale Mahana is a 249,431-square-foot multifamily housing building at 2615 S King St, Honolulu in Honolulu, Hawaii, built in 2018. In its 2025 Honolulu benchmarking disclosure it reported a site energy-use intensity of 29.0 kBtu/ft² and 1,308 tCO₂e of greenhouse-gas emissions.
Ordinance 22-17 (City & County of Honolulu) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 29.0 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 1,308 tCO₂e |
| GHG intensity | — |
| Electricity | 1,715,347 kWh |
| Natural gas | 13,794 therms |
| Water use | 11,000 kgal |
| Gross floor area | 249,431 sq ft |
| Source record | honolulu:04QFJ2223654838:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 29.0 kBtu/ft² | 1,308 tCO₂e | |
| 2024 | 98 | ±0 | 29.4 kBtu/ft² | 1,370 tCO₂e |
| 2023 | 98 | 29.2 kBtu/ft² | 1,377 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
- 2615 S King 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 Hale Mahana 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 29.0 kBtu/ft² is roughly in line with the average of 28.2 kBtu/ft².
At 249,431 sq ft, it is about 57% above the average floor area of 159,294 sq ft for those buildings. It was built in 2018, 39 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 Hale Mahana's energy performance changed over time?
BuildingCensus holds 3 Honolulu disclosures for Hale Mahana, covering report years 2023–2025. Its ENERGY STAR score was 98 in both 2023 and 2024. Site EUI moved from 29.2 kBtu/ft² (2023) to 29.0 kBtu/ft² (2025), a 1% decrease. Reported emissions went from 1,377 tCO₂e to 1,308 tCO₂e over the same span (down 5%).
What does a site EUI of 29.0 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. Hale Mahana's 29.0 kBtu/ft² across 249,431 sq ft works out to about 7.2 billion Btu (2,120 MWh-equivalent) in 2025. The disclosure also reports 1,715,347 kWh of electricity, 13,794 therms of natural gas and 11,000 thousand gallons of water for the year.
Which law requires Hale Mahana to report its energy use?
Hale Mahana 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:04QFJ2223654838:2025). 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
- Pohulani Elderly· 243,615 sq ft · EUI 39.8 kBtu/ft²
- Pearl Two· 239,257 sq ft · EUI 24.5 kBtu/ft²
- Liliuokalani Gardens· 237,500 sq ft · EUI 40.7 kBtu/ft²
- 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
- 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 Hale Mahana's energy grade?
Hale Mahana did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 29.0 kBtu/ft².
How much energy does Hale Mahana use?
Its 2025 site energy-use intensity was 29.0 kBtu/ft² across 249,431 sq ft, including 1,715,347 kWh of electricity and 13,794 therms of natural gas.
What are Hale Mahana's carbon emissions?
Hale Mahana reported 1,308 tCO₂e of greenhouse-gas emissions for 2025.
Where is Hale Mahana?
Hale Mahana is at 2615 S King St, Honolulu, in Honolulu, Hawaii.
How big is Hale Mahana and when was it built?
Hale Mahana has 249,431 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 2018 as its year built. It is classed as multifamily housing.
Is Hale Mahana 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, “Hale Mahana, Honolulu, Hawaii — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/honolulu/hale-mahana-aca1e930 (data as of July 9, 2026).