Northwest Corner Building
Laboratory in New York City, NY · 550 W 120th St · 10027
At a glance
Northwest Corner Building is a 207,803-square-foot laboratory building at 550 W 120th St in New York City, New York, built in 2010. In its 2023 New York City benchmarking disclosure it reported a site energy-use intensity of 0.0 kBtu/ft² and 0 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 0.0 kBtu/ft² |
| Source EUI | 0.0 kBtu/ft² |
| GHG emissions | 0 tCO₂e |
| GHG intensity | 0.0 kgCO₂e/ft² |
| Electricity | 0 kWh |
| Natural gas | 0 therms |
| Gross floor area | 207,803 sq ft |
| Source record | nyc:3118978:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | — | 0.0 kBtu/ft² | 0 tCO₂e | |
| 2022 | — | 220.2 kBtu/ft² | 3,197 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
- 550 W 120th St
- City
- New York City
- State
- New York
- ZIP
- 10027
- Coordinates
- 40.80991, -73.96061
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does Northwest Corner Building compare with other laboratory buildings in New York City?
The latest disclosures cover 90 laboratory buildings in New York City, out of 48,310 buildings citywide. Its site EUI of 0.0 kBtu/ft² is about 100% below the average of 409.2 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 0.0 kgCO₂e/ft² is about 100% below the group average of 28.8 kgCO₂e/ft².
At 207,803 sq ft, it is about 29% below the average floor area of 293,236 sq ft for those buildings. It was built in 2010, 45 years later than the group's average year built (1966). Across all 24 jurisdictions BuildingCensus covers, the 795 laboratory buildings average an ENERGY STAR score of 29 and a site EUI of 231.7 kBtu/ft².
How has Northwest Corner Building's energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for Northwest Corner Building, covering report years 2022–2023. Site EUI moved from 220.2 kBtu/ft² (2022) to 0.0 kBtu/ft² (2023), a 100% decrease. Reported emissions went from 3,197 tCO₂e to 0 tCO₂e over the same span (down 100%).
What does a site EUI of 0.0 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. Northwest Corner Building's 0.0 kBtu/ft² across 207,803 sq ft works out to about 0 billion Btu (0 MWh-equivalent) in 2023. Its source EUI of 0.0 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is different. The disclosure also reports 0 kWh of electricity and 0 therms of natural gas for the year.
Which law requires Northwest Corner Building to report its energy use?
Northwest Corner Building 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:3118978:2023). 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 laboratory buildings in New York City
- 45-18 Court Street· 203,103 sq ft · EUI 135.2 kBtu/ft²
- South Campus· 202,135 sq ft · EUI 434.8 kBtu/ft²
- Schwartz-Lot 01 (Part of MSKCC - Main Campus / RRL / ZRC)· 198,425 sq ft
- Irving Cancer Research Center· 191,542 sq ft · EUI 475.9 kBtu/ft²
- Rockefeller Research Building (RRB)/Gasser Hall· 189,667 sq ft
- Schemerhorn· 176,659 sq ft
- Laboratory buildings in New York City· 90 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 Northwest Corner Building's energy grade?
Northwest Corner Building did not report an ENERGY STAR score in its 2023 disclosure, but its site energy-use intensity was 0.0 kBtu/ft².
How much energy does Northwest Corner Building use?
Its 2023 site energy-use intensity was 0.0 kBtu/ft² (0.0 kBtu/ft² source) across 207,803 sq ft, including 0 kWh of electricity and 0 therms of natural gas.
What are Northwest Corner Building's carbon emissions?
Northwest Corner Building reported 0 tCO₂e of greenhouse-gas emissions (0.0 kgCO₂e/ft²) for 2023.
Where is Northwest Corner Building?
Northwest Corner Building is at 550 W 120th St, in New York City, New York 10027. Its coordinates are 40.80991, -73.96061 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Northwest Corner Building and when was it built?
Northwest Corner Building has 207,803 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 2010 as its year built. It is classed as laboratory.
Is Northwest Corner Building 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, “Northwest Corner Building, New York City, New York — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/northwest-corner-building-4a1f9026 (data as of October 2, 2026).