BuildingCensus
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AOAO The Magellan

Multifamily Housing in Honolulu, HI · 410 Magellan Ave, Honolulu

At a glance

AOAO The Magellan is a 73,110-square-foot multifamily housing building at 410 Magellan Ave, Honolulu in Honolulu, Hawaii, built in 1968. In its 2025 Honolulu benchmarking disclosure it reported a site energy-use intensity of 18.6 kBtu/ft² and 271 tCO₂e of greenhouse-gas emissions.

ENERGY STAR score
—
not reported · 2025
Site EUI
18.6
kBtu/ft²
GHG emissions
271
tCO₂e
GHG intensity
—
kgCO₂e/ft²
Floor area
73,110
sq ft
Year built
1968
vintage

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

Benchmarking record

FieldValue
ENERGY STAR score—
Site EUI18.6 kBtu/ft²
Source EUI—
GHG emissions271 tCO₂e
GHG intensity—
Electricity398,318 kWh
Water use4,274 kgal
Gross floor area73,110 sq ft
Source recordhonolulu:04QFJ1912156902:2025

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2025latest—18.6 kBtu/ft²271 tCO₂e
202410018.5 kBtu/ft²286 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.

Program details →

Ownership

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

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Location

Address
410 Magellan Ave, 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 AOAO The Magellan 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 18.6 kBtu/ft² is about 34% below the average of 28.2 kBtu/ft² — it uses less energy per square foot than the typical building in that group.

At 73,110 sq ft, it is about half of the average floor area of 159,294 sq ft for those buildings. It was built in 1968, 11 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 AOAO The Magellan's energy performance changed over time?

BuildingCensus holds 2 Honolulu disclosures for AOAO The Magellan, covering report years 2024–2025. Site EUI moved from 18.5 kBtu/ft² (2024) to 18.6 kBtu/ft² (2025), an 1% increase. Reported emissions went from 286 tCO₂e to 271 tCO₂e over the same span (down 5%).

What does a site EUI of 18.6 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. AOAO The Magellan's 18.6 kBtu/ft² across 73,110 sq ft works out to about 1.4 billion Btu (399 MWh-equivalent) in 2025. The disclosure also reports 398,318 kWh of electricity and 4,274 thousand gallons of water for the year.

Which law requires AOAO The Magellan to report its energy use?

AOAO The Magellan 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:04QFJ1912156902:2025). 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 AOAO The Magellan's energy grade?

AOAO The Magellan did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 18.6 kBtu/ft².

How much energy does AOAO The Magellan use?

Its 2025 site energy-use intensity was 18.6 kBtu/ft² across 73,110 sq ft, including 398,318 kWh of electricity.

What are AOAO The Magellan's carbon emissions?

AOAO The Magellan reported 271 tCO₂e of greenhouse-gas emissions for 2025.

Where is AOAO The Magellan?

AOAO The Magellan is at 410 Magellan Ave, Honolulu, in Honolulu, Hawaii.

How big is AOAO The Magellan and when was it built?

AOAO The Magellan has 73,110 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 1968 as its year built. It is classed as multifamily housing.

Is AOAO The Magellan 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, “AOAO The Magellan, Honolulu, Hawaii — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/honolulu/aoao-the-magellan-a43a2d67 (data as of July 9, 2026).