SL Green Realty Corporation 625 Madison Avenue
Office in New York City, NY · 625 Madison Avenue · 10022
At a glance
SL Green Realty Corporation 625 Madison Avenue is a 526,635-square-foot office building in New York City, New York, built in 1920. In its 2023 New York City benchmarking disclosure it reported a site energy-use intensity of 62.8 kBtu/ft² and 2,794 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 62.8 kBtu/ft² |
| Source EUI | 120.5 kBtu/ft² |
| GHG emissions | 2,794 tCO₂e |
| GHG intensity | 5.3 kgCO₂e/ft² |
| Electricity | 4,434,142 kWh |
| Natural gas | 32,436 therms |
| Water use | 9,103 kgal |
| Gross floor area | 526,635 sq ft |
| Source record | nyc:2712423:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | — | 62.8 kBtu/ft² | 2,794 tCO₂e | |
| 2022 | — | 81.8 kBtu/ft² | 3,176 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
- 625 Madison Avenue
- City
- New York City
- State
- New York
- ZIP
- 10022
- Coordinates
- 40.76338, -73.97155
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does SL Green Realty Corporation 625 Madison 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 62.8 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 5.3 kgCO₂e/ft² is roughly in line with the group average of 5.8 kgCO₂e/ft².
At 526,635 sq ft, it is about 156% above the average floor area of 205,440 sq ft for those buildings. It was built in 1920, 20 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 SL Green Realty Corporation 625 Madison Avenue's energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for SL Green Realty Corporation 625 Madison Avenue, covering report years 2022–2023. Site EUI moved from 81.8 kBtu/ft² (2022) to 62.8 kBtu/ft² (2023), a 23% decrease. Reported emissions went from 3,176 tCO₂e to 2,794 tCO₂e over the same span (down 12%).
What does a site EUI of 62.8 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. SL Green Realty Corporation 625 Madison Avenue's 62.8 kBtu/ft² across 526,635 sq ft works out to about 33.1 billion Btu (9,693 MWh-equivalent) in 2023. Its source EUI of 120.5 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 4,434,142 kWh of electricity, 32,436 therms of natural gas and 9,103 thousand gallons of water for the year.
Which law requires SL Green Realty Corporation 625 Madison Avenue to report its energy use?
SL Green Realty Corporation 625 Madison 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 2023 disclosure (source record nyc:2712423:2023). 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.
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Frequently asked questions
What is SL Green Realty Corporation 625 Madison Avenue's energy grade?
SL Green Realty Corporation 625 Madison Avenue did not report an ENERGY STAR score in its 2023 disclosure, but its site energy-use intensity was 62.8 kBtu/ft².
How much energy does SL Green Realty Corporation 625 Madison Avenue use?
Its 2023 site energy-use intensity was 62.8 kBtu/ft² (120.5 kBtu/ft² source) across 526,635 sq ft, including 4,434,142 kWh of electricity and 32,436 therms of natural gas.
What are SL Green Realty Corporation 625 Madison Avenue's carbon emissions?
SL Green Realty Corporation 625 Madison Avenue reported 2,794 tCO₂e of greenhouse-gas emissions (5.3 kgCO₂e/ft²) for 2023.
Where is SL Green Realty Corporation 625 Madison Avenue?
SL Green Realty Corporation 625 Madison Avenue is in New York City, New York 10022. Its coordinates are 40.76338, -73.97155 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is SL Green Realty Corporation 625 Madison Avenue and when was it built?
SL Green Realty Corporation 625 Madison Avenue has 526,635 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1920 as its year built. It is classed as office.
Is SL Green Realty Corporation 625 Madison Avenue 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, “SL Green Realty Corporation 625 Madison Avenue, New York City, New York — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/sl-green-realty-corporation-625-madison-avenue-039b01c5 (data as of October 2, 2026).