The Watermark AOAO
Other - Lodging/Residential in Honolulu, HI · 1551 Ala Wai Blvd, Honolulu
At a glance
The Watermark AOAO is a 158,558-square-foot other - lodging/residential building at 1551 Ala Wai Blvd, Honolulu in Honolulu, Hawaii, built in 2008. It is listed in the 2025 Better Buildings Benchmarking disclosure without energy figures: no ENERGY STAR score, energy use or emissions were published for it that year. Its most recent reported figures are from 2024, when it scored 98 out of 100 on ENERGY STAR with a site EUI of 31.1 kBtu/ft².
No energy data reported for 2025
The Watermark AOAO appears in the 2025 Better Buildings Benchmarking disclosure, but no ENERGY STAR score, energy use or emissions were published for it — the building did not report benchmarking data for that year. Earlier reported years are in the table below.
Floor area on file: 158,558 sq ft · Built 2008
Source record honolulu:04QFJ2052954398:2025
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | — | — | |
| 2024 | 98 | -1 | 31.1 kBtu/ft² | 2,049 tCO₂e |
| 2023 | 99 | 29.7 kBtu/ft² | 1,959 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.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 1551 Ala Wai Blvd, 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 has The Watermark AOAO's energy performance changed over time?
BuildingCensus holds 3 Honolulu disclosures for The Watermark AOAO, covering report years 2023–2025. Its ENERGY STAR score went from 99 in 2023 to 98 in 2024 (-1 points); its best year on file was 2023, at 99. Site EUI moved from 29.7 kBtu/ft² (2023) to 31.1 kBtu/ft² (2024), an 5% increase. Reported emissions went from 1,959 tCO₂e to 2,049 tCO₂e over the same span (up 5%).
Which law requires The Watermark AOAO to report its energy use?
The Watermark AOAO 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:04QFJ2052954398:2025). Honolulu's Ordinance 22-17 requires commercial buildings over 25,000 sq ft on Oʻahu to benchmark annually, with public disclosure of results.
More other - lodging/residential buildings in Honolulu
- Woodrose Condominium· 152,904 sq ft · EUI 23.2 kBtu/ft²
- Aston Waikiki Beach Tower· 150,775 sq ft · EUI 57.5 kBtu/ft²
- Royal Garden At Waikiki· 114,970 sq ft · EUI 61.4 kBtu/ft²
- Pacific Monarch· 93,275 sq ft · EUI 68.7 kBtu/ft²
- Sans Souci· 57,143 sq ft · EUI 17.3 kBtu/ft²
- Crescent Park AOAO· 56,209 sq ft
- 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 The Watermark AOAO's energy grade?
The Watermark AOAO has no grade: it did not report energy data for 2025. The 2025 Better Buildings Benchmarking disclosure lists the building but publishes no ENERGY STAR score, energy use or emissions for it.
Where is The Watermark AOAO?
The Watermark AOAO is at 1551 Ala Wai Blvd, Honolulu, in Honolulu, Hawaii.
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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, “The Watermark AOAO, Honolulu, Hawaii — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/honolulu/the-watermark-aoao-35c67760 (data as of July 9, 2026).