609 Fifth Avenue
Office in New York City, NY · 10017
At a glance
609 Fifth Avenue is a 152,530-square-foot office building in New York City, New York, built in 1925. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 52.8 kBtu/ft² and 913 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 52.8 kBtu/ft² |
| Source EUI | 144.8 kBtu/ft² |
| GHG emissions | 913 tCO₂e |
| GHG intensity | 6.0 kgCO₂e/ft² |
| Electricity | 2,276,072 kWh |
| Natural gas | 0 therms |
| Water use | 6,823 kgal |
| Gross floor area | 152,530 sq ft |
| Source record | nyc:25098326:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 52.8 kBtu/ft² | 913 tCO₂e | |
| 2023 | — | 48.5 kBtu/ft² | 804 tCO₂e | |
| 2022 | 45 | 76.9 kBtu/ft² | 959 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
- 609 Fifth Avenue
- City
- New York City
- State
- New York
- ZIP
- 10017
- Coordinates
- 40.75782, -73.97771
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 609 Fifth Avenue 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 52.8 kBtu/ft² is about 18% below 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 6.0 kgCO₂e/ft² is roughly in line with the group average of 5.8 kgCO₂e/ft².
At 152,530 sq ft, it is about 26% below the average floor area of 205,440 sq ft for those buildings. It was built in 1925, 15 years earlier 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 609 Fifth Avenue's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 609 Fifth Avenue, covering report years 2022–2024. Site EUI moved from 76.9 kBtu/ft² (2022) to 52.8 kBtu/ft² (2024), a 31% decrease. Reported emissions went from 959 tCO₂e to 913 tCO₂e over the same span (down 5%).
What does a site EUI of 52.8 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. 609 Fifth Avenue's 52.8 kBtu/ft² across 152,530 sq ft works out to about 8.1 billion Btu (2,360 MWh-equivalent) in 2024. Its source EUI of 144.8 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 2,276,072 kWh of electricity, 0 therms of natural gas and 6,823 thousand gallons of water for the year.
Which law requires 609 Fifth Avenue to report its energy use?
609 Fifth Avenue 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:25098326:2024). 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
- HANDRO PROPERTIES· 152,439 sq ft · score 91 (A)
- A&E Television· 151,617 sq ft · score 79 (B)
- Justin Mgmt- 115 West 30th Street· 151,525 sq ft · score 98 (A)
- 610 Fifth Avenue (Bld 2)· 151,334 sq ft · EUI 219.6 kBtu/ft²
- 1000 DEAN LLC· 151,273 sq ft · EUI 45.6 kBtu/ft²
- Stellar - 220 Fifth Avenue· 151,000 sq ft · score 62 (C)
- 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 609 Fifth Avenue's energy grade?
609 Fifth Avenue did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 52.8 kBtu/ft².
How much energy does 609 Fifth Avenue use?
Its 2024 site energy-use intensity was 52.8 kBtu/ft² (144.8 kBtu/ft² source) across 152,530 sq ft, including 2,276,072 kWh of electricity and 0 therms of natural gas.
What are 609 Fifth Avenue's carbon emissions?
609 Fifth Avenue reported 913 tCO₂e of greenhouse-gas emissions (6.0 kgCO₂e/ft²) for 2024.
Where is 609 Fifth Avenue?
609 Fifth Avenue is in New York City, New York 10017. Its coordinates are 40.75782, -73.97771 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 609 Fifth Avenue and when was it built?
609 Fifth Avenue has 152,530 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1925 as its year built. It is classed as office.
Is 609 Fifth Avenue 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, “609 Fifth Avenue, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/609-fifth-avenue-3b276ce4 (data as of October 2, 2026).