BuildingCensus
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Rosalei AOAO

Multifamily Housing in Honolulu, HI · 445 Kaiolu St, Honolulu

At a glance

Rosalei AOAO is a 91,616-square-foot multifamily housing building at 445 Kaiolu St, Honolulu in Honolulu, Hawaii, built in 1955. In its 2025 Honolulu benchmarking disclosure it reported a site energy-use intensity of 35.7 kBtu/ft² and 496 tCO₂e of greenhouse-gas emissions.

ENERGY STAR score
—
not reported · 2025
Site EUI
35.7
kBtu/ft²
GHG emissions
496
tCO₂e
GHG intensity
—
kgCO₂e/ft²
Floor area
91,616
sq ft
Year built
1955
vintage

Ordinance 22-17 (City & County of Honolulu) · reporting year 2025

Benchmarking record

FieldValue
ENERGY STAR score—
Site EUI35.7 kBtu/ft²
Source EUI—
GHG emissions496 tCO₂e
GHG intensity—
Electricity647,243 kWh
Natural gas10,623 therms
Water use6,008 kgal
Gross floor area91,616 sq ft
Source recordhonolulu:04QFJ2158053905:2025

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2025latest—35.7 kBtu/ft²496 tCO₂e
202410034.9 kBtu/ft²481 tCO₂e
2023———

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.

Program details →

Ownership

No owning organisation shown. Names of private individuals in the disclosure are not published here.

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Location

Address
445 Kaiolu St, 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 Rosalei AOAO 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 35.7 kBtu/ft² is about 27% above the average of 28.2 kBtu/ft² — it uses more energy per square foot than the typical building in that group.

At 91,616 sq ft, it is about 42% below the average floor area of 159,294 sq ft for those buildings. It was built in 1955, 24 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 Rosalei AOAO's energy performance changed over time?

BuildingCensus holds 3 Honolulu disclosures for Rosalei AOAO, covering report years 2023–2025. Site EUI moved from 34.9 kBtu/ft² (2024) to 35.7 kBtu/ft² (2025), an 2% increase. Reported emissions went from 481 tCO₂e to 496 tCO₂e over the same span (up 3%).

What does a site EUI of 35.7 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. Rosalei AOAO's 35.7 kBtu/ft² across 91,616 sq ft works out to about 3.3 billion Btu (959 MWh-equivalent) in 2025. The disclosure also reports 647,243 kWh of electricity, 10,623 therms of natural gas and 6,008 thousand gallons of water for the year.

Which law requires Rosalei AOAO to report its energy use?

Rosalei AOAO 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:04QFJ2158053905:2025). 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

Frequently asked questions

What is Rosalei AOAO's energy grade?

Rosalei AOAO did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 35.7 kBtu/ft².

How much energy does Rosalei AOAO use?

Its 2025 site energy-use intensity was 35.7 kBtu/ft² across 91,616 sq ft, including 647,243 kWh of electricity and 10,623 therms of natural gas.

What are Rosalei AOAO's carbon emissions?

Rosalei AOAO reported 496 tCO₂e of greenhouse-gas emissions for 2025.

Where is Rosalei AOAO?

Rosalei AOAO is at 445 Kaiolu St, Honolulu, in Honolulu, Hawaii.

How big is Rosalei AOAO and when was it built?

Rosalei AOAO has 91,616 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 1955 as its year built. It is classed as multifamily housing.

Is Rosalei AOAO 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, “Rosalei AOAO, Honolulu, Hawaii — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/honolulu/rosalei-aoao-f807d6d1 (data as of July 9, 2026).