66 5th Ave
College/University in New York City, NY · 64 5th Ave · 10003
At a glance
66 5th Ave is a 59,487-square-foot college/university building at 64 5th Ave in New York City, New York, built in 1932. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 34.4 kBtu/ft² and 236 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 34.4 kBtu/ft² |
| Source EUI | 96.4 kBtu/ft² |
| GHG emissions | 236 tCO₂e |
| GHG intensity | 4.0 kgCO₂e/ft² |
| Electricity | 599,978 kWh |
| Gross floor area | 59,487 sq ft |
| Source record | nyc:6820682:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 34.4 kBtu/ft² | 236 tCO₂e | |
| 2023 | — | 41.0 kBtu/ft² | 220 tCO₂e | |
| 2022 | — | 31.6 kBtu/ft² | 159 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.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 64 5th Ave
- City
- New York City
- State
- New York
- ZIP
- 10003
- Coordinates
- 40.73495, -73.99439
Within ~1 km
Nearby benchmarked buildings
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See also: most efficient in New York City · biggest emitters
How does 66 5th Ave compare with other college/university buildings in New York City?
The latest disclosures cover 553 college/university buildings in New York City, out of 48,310 buildings citywide. Its site EUI of 34.4 kBtu/ft² is about 64% below the average of 94.5 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 4.0 kgCO₂e/ft² is about 34% below the group average of 6.0 kgCO₂e/ft².
At 59,487 sq ft, it is about 71% below the average floor area of 202,329 sq ft for those buildings. It was built in 1932, 15 years earlier than the group's average year built (1947). Across all 24 jurisdictions BuildingCensus covers, the 2,113 college/university buildings average an ENERGY STAR score of 68 and a site EUI of 98.7 kBtu/ft².
How has 66 5th Ave's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 66 5th Ave, covering report years 2022–2024. Site EUI moved from 31.6 kBtu/ft² (2022) to 34.4 kBtu/ft² (2024), an 9% increase. Reported emissions went from 159 tCO₂e to 236 tCO₂e over the same span (up 48%).
What does a site EUI of 34.4 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. 66 5th Ave's 34.4 kBtu/ft² across 59,487 sq ft works out to about 2 billion Btu (600 MWh-equivalent) in 2024. Its source EUI of 96.4 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 599,978 kWh of electricity for the year.
Which law requires 66 5th Ave to report its energy use?
66 5th Ave 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:6820682:2024). 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 college/university buildings in New York City
- Engineering Building· 58,716 sq ft · EUI 70.3 kBtu/ft²
- Miguel Hall· 58,466 sq ft
- Central Plaza· 57,651 sq ft · EUI 53.1 kBtu/ft²
- Bathgate Site 5· 57,000 sq ft · EUI 38.4 kBtu/ft²
- Library, 224-228 Ryerson St· 56,839 sq ft · EUI 98.9 kBtu/ft²
- De La Salle Hall· 56,756 sq ft
- College/University buildings in New York City· 553 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 66 5th Ave's energy grade?
66 5th Ave did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 34.4 kBtu/ft².
How much energy does 66 5th Ave use?
Its 2024 site energy-use intensity was 34.4 kBtu/ft² (96.4 kBtu/ft² source) across 59,487 sq ft, including 599,978 kWh of electricity.
What are 66 5th Ave's carbon emissions?
66 5th Ave reported 236 tCO₂e of greenhouse-gas emissions (4.0 kgCO₂e/ft²) for 2024.
Where is 66 5th Ave?
66 5th Ave is at 64 5th Ave, in New York City, New York 10003. Its coordinates are 40.73495, -73.99439 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 66 5th Ave and when was it built?
66 5th Ave has 59,487 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1932 as its year built. It is classed as college/university.
Is 66 5th Ave 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, “66 5th Ave, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/66-5th-ave-4978111a (data as of October 2, 2026).