777 UN Plaza (775 UN PLAZA)
Office in New York City, NY · 775 UNITED NATIONS PLAZA · 10017
At a glance
777 UN Plaza (775 UN PLAZA) is a 70,214-square-foot office building at 775 UNITED NATIONS PLAZA in New York City, New York, built in 1962. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 109.1 kBtu/ft² and 587 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 109.1 kBtu/ft² |
| Source EUI | 167.9 kBtu/ft² |
| GHG emissions | 587 tCO₂e |
| GHG intensity | 8.4 kgCO₂e/ft² |
| Electricity | 472,215 kWh |
| Water use | 2,356 kgal |
| Gross floor area | 70,214 sq ft |
| Source record | nyc:2557782:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 109.1 kBtu/ft² | 587 tCO₂e | |
| 2023 | 79 | 99.5 kBtu/ft² | 561 tCO₂e |
Compliance context
Local Law 84 (LL84)
Under Local Law 97, buildings over 25,000 sq ft face carbon caps with fines of $268 per metric ton of CO₂e over the limit, phasing in from 2024.
Ownership
No owning organisation shown. Names of private individuals in the disclosure are not published here.
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Location
- Address
- 775 UNITED NATIONS PLAZA
- City
- New York City
- State
- New York
- ZIP
- 10017
- Coordinates
- 40.74986, -73.96909
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 777 UN Plaza (775 UN PLAZA) compare with other office buildings in New York City?
The latest disclosures cover 3,384 office buildings in New York City, out of 48,310 buildings citywide. Its site EUI of 109.1 kBtu/ft² is about 69% above the average of 64.5 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 8.4 kgCO₂e/ft² is about 44% above the group average of 5.8 kgCO₂e/ft².
At 70,214 sq ft, it is about 66% below the average floor area of 205,440 sq ft for those buildings. It was built in 1962, 22 years later than the group's average year built (1940). Across all 24 jurisdictions BuildingCensus covers, the 15,264 office buildings average an ENERGY STAR score of 73 and a site EUI of 59.3 kBtu/ft².
How has 777 UN Plaza (775 UN PLAZA)'s energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for 777 UN Plaza (775 UN PLAZA), covering report years 2023–2024. Site EUI moved from 99.5 kBtu/ft² (2023) to 109.1 kBtu/ft² (2024), an 10% increase. Reported emissions went from 561 tCO₂e to 587 tCO₂e over the same span (up 5%).
What does a site EUI of 109.1 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. 777 UN Plaza (775 UN PLAZA)'s 109.1 kBtu/ft² across 70,214 sq ft works out to about 7.7 billion Btu (2,245 MWh-equivalent) in 2024. Its source EUI of 167.9 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 472,215 kWh of electricity and 2,356 thousand gallons of water for the year.
Which law requires 777 UN Plaza (775 UN PLAZA) to report its energy use?
777 UN Plaza (775 UN PLAZA) reports under Local Law 84 (LL84), the legal basis of New York City's Energy and Water Data Disclosure program, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2024 disclosure (source record nyc:2557782:2024). Under Local Law 97, buildings over 25,000 sq ft face carbon caps with fines of $268 per metric ton of CO₂e over the limit, phasing in from 2024.
More office buildings in New York City
- 315 East 62 LLC· 70,200 sq ft · EUI 53.9 kBtu/ft²
- UOB Building - 592 5th Ave· 70,135 sq ft · score 15 (D)
- Kuwait Mission To United Nations· 70,000 sq ft · score 62 (C)
- 3 Hudson Boulevard· 70,000 sq ft
- 104 West 27th St· 70,000 sq ft · score 93 (A)
- 132-138 Mulberry Street· 69,993 sq ft · score 20 (D)
- Office buildings in New York City· 3,384 benchmarked
- All New York City benchmarked buildings· Local Law 84 (LL84)
- Most efficient large buildings in New York City
- Least efficient large buildings in New York City
- Biggest emitters in New York City
Frequently asked questions
What is 777 UN Plaza (775 UN PLAZA)'s energy grade?
777 UN Plaza (775 UN PLAZA) did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 109.1 kBtu/ft².
How much energy does 777 UN Plaza (775 UN PLAZA) use?
Its 2024 site energy-use intensity was 109.1 kBtu/ft² (167.9 kBtu/ft² source) across 70,214 sq ft, including 472,215 kWh of electricity.
What are 777 UN Plaza (775 UN PLAZA)'s carbon emissions?
777 UN Plaza (775 UN PLAZA) reported 587 tCO₂e of greenhouse-gas emissions (8.4 kgCO₂e/ft²) for 2024.
Where is 777 UN Plaza (775 UN PLAZA)?
777 UN Plaza (775 UN PLAZA) is at 775 UNITED NATIONS PLAZA, in New York City, New York 10017. Its coordinates are 40.74986, -73.96909 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 777 UN Plaza (775 UN PLAZA) and when was it built?
777 UN Plaza (775 UN PLAZA) has 70,214 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1962 as its year built. It is classed as office.
Is 777 UN Plaza (775 UN PLAZA) covered by Local Law 84 (LL84)?
Yes — it appears in the 2024 Energy and Water Data Disclosure disclosure, which lists the buildings reporting under Local Law 84 (LL84).
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About this data
Source: Energy and Water Data Disclosure (Local Law 84 (LL84)), as published October 2, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “777 UN Plaza (775 UN PLAZA), New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/777-un-plaza-775-un-plaza-3ab8e021 (data as of October 2, 2026).