City Mill Kaimuki
Retail Store in Honolulu, HI · 3070 Waialae Ave, Honolulu
At a glance
City Mill Kaimuki is a 39,360-square-foot retail store at 3070 Waialae Ave, Honolulu in Honolulu, Hawaii, built in 1950. In its 2025 Honolulu benchmarking disclosure it reported a site energy-use intensity of 25.7 kBtu/ft² and 202 tCO₂e of greenhouse-gas emissions.
Ordinance 22-17 (City & County of Honolulu) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 25.7 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 202 tCO₂e |
| GHG intensity | — |
| Electricity | 296,443 kWh |
| Water use | 130 kgal |
| Gross floor area | 39,360 sq ft |
| Source record | honolulu:04QFJ2344354584:2025 |
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
- 3070 Waialae 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 City Mill Kaimuki compare with other retail store buildings in Honolulu?
The latest disclosures cover 31 retail store buildings in Honolulu, out of 799 buildings citywide. Its site EUI of 25.7 kBtu/ft² is about 56% below the average of 58.1 kBtu/ft² — it uses less energy per square foot than the typical building in that group.
At 39,360 sq ft, it is about 56% below the average floor area of 88,645 sq ft for those buildings. It was built in 1950, 46 years earlier than the group's average year built (1996). Across all 24 jurisdictions BuildingCensus covers, the 3,025 retail store buildings average an ENERGY STAR score of 73 and a site EUI of 57.7 kBtu/ft².
What does a site EUI of 25.7 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. City Mill Kaimuki's 25.7 kBtu/ft² across 39,360 sq ft works out to about 1 billion Btu (296 MWh-equivalent) in 2025. The disclosure also reports 296,443 kWh of electricity and 130 thousand gallons of water for the year.
Which law requires City Mill Kaimuki to report its energy use?
City Mill Kaimuki 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:04QFJ2344354584:2025). Honolulu's Ordinance 22-17 requires commercial buildings over 25,000 sq ft on Oʻahu to benchmark annually, with public disclosure of results.
More retail store buildings in Honolulu
- City Mill Ewa Beach· 36,926 sq ft
- Hpm Building Supply· 35,530 sq ft · EUI 7.8 kBtu/ft²
- 2810 Paa St· 33,384 sq ft · EUI 39.2 kBtu/ft²
- City Mill Kaneohe· 31,000 sq ft · EUI 22.1 kBtu/ft²
- Waianae Store· 30,600 sq ft · EUI 90.5 kBtu/ft²
- Savers· 30,292 sq ft
- Retail Store buildings in Honolulu· 31 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 City Mill Kaimuki's energy grade?
City Mill Kaimuki did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 25.7 kBtu/ft².
How much energy does City Mill Kaimuki use?
Its 2025 site energy-use intensity was 25.7 kBtu/ft² across 39,360 sq ft, including 296,443 kWh of electricity.
What are City Mill Kaimuki's carbon emissions?
City Mill Kaimuki reported 202 tCO₂e of greenhouse-gas emissions for 2025.
Where is City Mill Kaimuki?
City Mill Kaimuki is at 3070 Waialae Ave, Honolulu, in Honolulu, Hawaii.
How big is City Mill Kaimuki and when was it built?
City Mill Kaimuki has 39,360 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 1950 as its year built. It is classed as retail store.
Is City Mill Kaimuki 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, “City Mill Kaimuki, Honolulu, Hawaii — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/honolulu/city-mill-kaimuki-2a637431 (data as of July 9, 2026).