Plaza at Century Court
Multifamily Housing in Honolulu, HI · 2542 Date St, Honolulu
At a glance
Plaza at Century Court is a 100,484-square-foot multifamily housing building at 2542 Date St, Honolulu in Honolulu, Hawaii, built in 1979. In its 2025 Honolulu benchmarking disclosure it reported a site energy-use intensity of 14.9 kBtu/ft² and 316 tCO₂e of greenhouse-gas emissions.
Ordinance 22-17 (City & County of Honolulu) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 14.9 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 316 tCO₂e |
| GHG intensity | — |
| Electricity | 439,644 kWh |
| Water use | 4,598 kgal |
| Gross floor area | 100,484 sq ft |
| Source record | honolulu:04QFJ2220954342:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 14.9 kBtu/ft² | 316 tCO₂e | |
| 2024 | 100 | 14.7 kBtu/ft² | 312 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.
Ownership
No owning organisation shown. Names of private individuals in the disclosure are not published here.
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Location
- Address
- 2542 Date 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 Plaza at Century Court 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 14.9 kBtu/ft² is about half of the average of 28.2 kBtu/ft² — it uses less energy per square foot than the typical building in that group.
At 100,484 sq ft, it is about 37% below the average floor area of 159,294 sq ft for those buildings. Its 1979 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.
How has Plaza at Century Court's energy performance changed over time?
BuildingCensus holds 2 Honolulu disclosures for Plaza at Century Court, covering report years 2024–2025. Site EUI moved from 14.7 kBtu/ft² (2024) to 14.9 kBtu/ft² (2025), an 1% increase. Reported emissions went from 312 tCO₂e to 316 tCO₂e over the same span (up 2%).
What does a site EUI of 14.9 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. Plaza at Century Court's 14.9 kBtu/ft² across 100,484 sq ft works out to about 1.5 billion Btu (439 MWh-equivalent) in 2025. The disclosure also reports 439,644 kWh of electricity and 4,598 thousand gallons of water for the year.
Which law requires Plaza at Century Court to report its energy use?
Plaza at Century Court 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:04QFJ2220954342:2025). 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
- Camelot· 100,168 sq ft · EUI 28.1 kBtu/ft²
- 444 Nahua· 100,165 sq ft · EUI 51.1 kBtu/ft²
- Leolua Regent· 100,000 sq ft · EUI 27.7 kBtu/ft²
- Queen Emma Gardens· 100,000 sq ft · EUI 146.7 kBtu/ft²
- Village Maluhia· 99,222 sq ft · EUI 31.6 kBtu/ft²
- Country Club Village 6· 99,158 sq ft · EUI 56.9 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 Plaza at Century Court's energy grade?
Plaza at Century Court did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 14.9 kBtu/ft².
How much energy does Plaza at Century Court use?
Its 2025 site energy-use intensity was 14.9 kBtu/ft² across 100,484 sq ft, including 439,644 kWh of electricity.
What are Plaza at Century Court's carbon emissions?
Plaza at Century Court reported 316 tCO₂e of greenhouse-gas emissions for 2025.
Where is Plaza at Century Court?
Plaza at Century Court is at 2542 Date St, Honolulu, in Honolulu, Hawaii.
How big is Plaza at Century Court and when was it built?
Plaza at Century Court has 100,484 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 1979 as its year built. It is classed as multifamily housing.
Is Plaza at Century Court 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, “Plaza at Century Court, Honolulu, Hawaii — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/honolulu/plaza-at-century-court-62051614 (data as of July 9, 2026).