Isoshima Building
Mixed Use Property in Honolulu, HI · 1144 10Th Ave, Honolulu
At a glance
Isoshima Building is a 25,010-square-foot mixed use property building at 1144 10Th Ave, Honolulu in Honolulu, Hawaii, built in 1977. In its 2025 Honolulu benchmarking disclosure it reported a site energy-use intensity of 24.5 kBtu/ft² and 122 tCO₂e of greenhouse-gas emissions.
Ordinance 22-17 (City & County of Honolulu) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 24.5 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 122 tCO₂e |
| GHG intensity | — |
| Electricity | 179,387 kWh |
| Water use | 870 kgal |
| Gross floor area | 25,010 sq ft |
| Source record | honolulu:04QFJ2430353973:2025 |
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
- 1144 10Th Ave, 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 Isoshima Building compare with other mixed use property buildings in Honolulu?
The latest disclosures cover 11 mixed use property buildings in Honolulu, out of 799 buildings citywide. Its site EUI of 24.5 kBtu/ft² is about half of the average of 46.2 kBtu/ft² — it uses less energy per square foot than the typical building in that group.
At 25,010 sq ft, it is about 85% below the average floor area of 171,957 sq ft for those buildings. It was built in 1977, 4 years earlier than the group's average year built (1981). Across all 24 jurisdictions BuildingCensus covers, the 1,212 mixed use property buildings average an ENERGY STAR score of 69 and a site EUI of 79.8 kBtu/ft².
What does a site EUI of 24.5 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. Isoshima Building's 24.5 kBtu/ft² across 25,010 sq ft works out to about 0.6 billion Btu (180 MWh-equivalent) in 2025. The disclosure also reports 179,387 kWh of electricity and 870 thousand gallons of water for the year.
Which law requires Isoshima Building to report its energy use?
Isoshima Building 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:04QFJ2430353973:2025). Honolulu's Ordinance 22-17 requires commercial buildings over 25,000 sq ft on Oʻahu to benchmark annually, with public disclosure of results.
More mixed use property buildings in Honolulu
Frequently asked questions
What is Isoshima Building's energy grade?
Isoshima Building did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 24.5 kBtu/ft².
How much energy does Isoshima Building use?
Its 2025 site energy-use intensity was 24.5 kBtu/ft² across 25,010 sq ft, including 179,387 kWh of electricity.
What are Isoshima Building's carbon emissions?
Isoshima Building reported 122 tCO₂e of greenhouse-gas emissions for 2025.
Where is Isoshima Building?
Isoshima Building is at 1144 10Th Ave, Honolulu, in Honolulu, Hawaii.
How big is Isoshima Building and when was it built?
Isoshima Building has 25,010 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 1977 as its year built. It is classed as mixed use property.
Is Isoshima Building 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, “Isoshima Building, Honolulu, Hawaii — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/honolulu/isoshima-building-3858a252 (data as of July 9, 2026).