Piikoi Plaza
Multifamily Housing in Honolulu, HI · 725 Piikoi St, Honolulu
At a glance
Piikoi Plaza is a 43,111-square-foot multifamily housing building at 725 Piikoi St, Honolulu in Honolulu, Hawaii, built in 1977. In its 2025 Honolulu benchmarking disclosure it reported a site energy-use intensity of 24.8 kBtu/ft² and 225 tCO₂e of greenhouse-gas emissions.
Ordinance 22-17 (City & County of Honolulu) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 24.8 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 225 tCO₂e |
| GHG intensity | — |
| Electricity | 313,000 kWh |
| Water use | 2,381 kgal |
| Gross floor area | 43,111 sq ft |
| Source record | honolulu:04QFJ1980655442:2025 |
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
- 725 Piikoi 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 Piikoi Plaza 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 24.8 kBtu/ft² is about 12% below the average of 28.2 kBtu/ft² — it uses less energy per square foot than the typical building in that group.
At 43,111 sq ft, it is about 73% below the average floor area of 159,294 sq ft for those buildings. Its 1977 construction date is close to 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.
What does a site EUI of 24.8 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. Piikoi Plaza's 24.8 kBtu/ft² across 43,111 sq ft works out to about 1.1 billion Btu (313 MWh-equivalent) in 2025. The disclosure also reports 313,000 kWh of electricity and 2,381 thousand gallons of water for the year.
Which law requires Piikoi Plaza to report its energy use?
Piikoi Plaza 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:04QFJ1980655442:2025). 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
- Hocking Building· 42,428 sq ft · EUI 6.6 kBtu/ft²
- Waialae Place· 42,104 sq ft · EUI 56.9 kBtu/ft²
- Haleiwa Surf· 41,706 sq ft · EUI 12.0 kBtu/ft²
- Parkview· 41,362 sq ft · EUI 24.7 kBtu/ft²
- Scandia Tower· 40,902 sq ft · EUI 31.0 kBtu/ft²
- The Kamaʻāina· 40,280 sq ft · EUI 25.8 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 Piikoi Plaza's energy grade?
Piikoi Plaza did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 24.8 kBtu/ft².
How much energy does Piikoi Plaza use?
Its 2025 site energy-use intensity was 24.8 kBtu/ft² across 43,111 sq ft, including 313,000 kWh of electricity.
What are Piikoi Plaza's carbon emissions?
Piikoi Plaza reported 225 tCO₂e of greenhouse-gas emissions for 2025.
Where is Piikoi Plaza?
Piikoi Plaza is at 725 Piikoi St, Honolulu, in Honolulu, Hawaii.
How big is Piikoi Plaza and when was it built?
Piikoi Plaza has 43,111 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 1977 as its year built. It is classed as multifamily housing.
Is Piikoi Plaza 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, “Piikoi Plaza, Honolulu, Hawaii — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/honolulu/piikoi-plaza-84f64f0f (data as of July 9, 2026).