10 Rock (Bld 11)
Office in New York City, NY · 10 Rockefeller Plaza · 10111
At a glance
10 Rock (Bld 11) is a 409,556-square-foot office building at 10 Rockefeller Plaza in New York City, New York, built in 1939. In its 2023 New York City benchmarking disclosure it reported a site energy-use intensity of 64.2 kBtu/ft² and 2,265 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 64.2 kBtu/ft² |
| Source EUI | 125.0 kBtu/ft² |
| GHG emissions | 2,265 tCO₂e |
| GHG intensity | 5.5 kgCO₂e/ft² |
| Electricity | 3,585,177 kWh |
| Gross floor area | 409,556 sq ft |
| Source record | nyc:2364068:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | — | 64.2 kBtu/ft² | 2,265 tCO₂e | |
| 2022 | 49 | 77.1 kBtu/ft² | 2,342 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
- 10 Rockefeller Plaza
- City
- New York City
- State
- New York
- ZIP
- 10111
- Coordinates
- 40.75810, -73.97916
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 10 Rock (Bld 11) 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 64.2 kBtu/ft² is roughly in line with the average of 64.5 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 5.5 kgCO₂e/ft² is roughly in line with the group average of 5.8 kgCO₂e/ft².
At 409,556 sq ft, it is about twice the average floor area of 205,440 sq ft for those buildings. Its 1939 construction date is close to 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 10 Rock (Bld 11)'s energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for 10 Rock (Bld 11), covering report years 2022–2023. Site EUI moved from 77.1 kBtu/ft² (2022) to 64.2 kBtu/ft² (2023), a 17% decrease. Reported emissions went from 2,342 tCO₂e to 2,265 tCO₂e over the same span (down 3%).
What does a site EUI of 64.2 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. 10 Rock (Bld 11)'s 64.2 kBtu/ft² across 409,556 sq ft works out to about 26.3 billion Btu (7,706 MWh-equivalent) in 2023. Its source EUI of 125.0 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 3,585,177 kWh of electricity for the year.
Which law requires 10 Rock (Bld 11) to report its energy use?
10 Rock (Bld 11) 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 2023 disclosure (source record nyc:2364068:2023). 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
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- 757 3rd Avenue· 407,767 sq ft · score 74 (B)
- 1334 York Ave· 407,259 sq ft · EUI 117.5 kBtu/ft²
- DCAS_1020_Health Building· 406,109 sq ft · score 90 (A)
- Broad Financial Center· 405,310 sq ft · score 72 (B)
- URA Group - 33 Whitehall Street· 405,310 sq ft · score 80 (B)
- 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 10 Rock (Bld 11)'s energy grade?
10 Rock (Bld 11) did not report an ENERGY STAR score in its 2023 disclosure, but its site energy-use intensity was 64.2 kBtu/ft².
How much energy does 10 Rock (Bld 11) use?
Its 2023 site energy-use intensity was 64.2 kBtu/ft² (125.0 kBtu/ft² source) across 409,556 sq ft, including 3,585,177 kWh of electricity.
What are 10 Rock (Bld 11)'s carbon emissions?
10 Rock (Bld 11) reported 2,265 tCO₂e of greenhouse-gas emissions (5.5 kgCO₂e/ft²) for 2023.
Where is 10 Rock (Bld 11)?
10 Rock (Bld 11) is at 10 Rockefeller Plaza, in New York City, New York 10111. Its coordinates are 40.75810, -73.97916 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 10 Rock (Bld 11) and when was it built?
10 Rock (Bld 11) has 409,556 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1939 as its year built. It is classed as office.
Is 10 Rock (Bld 11) covered by Local Law 84 (LL84)?
Yes — it appears in the 2023 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, “10 Rock (Bld 11), New York City, New York — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/10-rock-bld-11-30ef0c93 (data as of October 2, 2026).