AKAM - 150 West 51st Street
Multifamily Housing in New York City, NY · 150 West 51st Street · 10019
At a glance
AKAM - 150 West 51st Street is a 593,760-square-foot multifamily housing building in New York City, New York, built in 1927. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 89.1 kBtu/ft² and 3,735 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 89.1 kBtu/ft² |
| Source EUI | 137.5 kBtu/ft² |
| GHG emissions | 3,735 tCO₂e |
| GHG intensity | 6.3 kgCO₂e/ft² |
| Electricity | 4,374,095 kWh |
| Natural gas | 379,745 therms |
| Gross floor area | 593,760 sq ft |
| Source record | nyc:4951978:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 89.1 kBtu/ft² | 3,735 tCO₂e | |
| 2023 | 72 | +17 | 71.1 kBtu/ft² | 2,933 tCO₂e |
| 2022 | 55 | 83.2 kBtu/ft² | 3,093 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
- 150 West 51st Street
- City
- New York City
- State
- New York
- ZIP
- 10019
- Coordinates
- 40.76143, -73.98214
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does AKAM - 150 West 51st Street compare with other multifamily housing buildings in New York City?
The latest disclosures cover 33,022 multifamily housing buildings in New York City, out of 48,310 buildings citywide. Its site EUI of 89.1 kBtu/ft² is about 19% above the average of 74.9 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 6.3 kgCO₂e/ft² is about 21% above the group average of 5.2 kgCO₂e/ft².
At 593,760 sq ft, it is about 488% above the average floor area of 100,951 sq ft for those buildings. It was built in 1927, 25 years earlier than the group's average year built (1952). Across all 24 jurisdictions BuildingCensus covers, the 59,945 multifamily housing buildings average an ENERGY STAR score of 70 and a site EUI of 59.0 kBtu/ft².
How has AKAM - 150 West 51st Street's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for AKAM - 150 West 51st Street, covering report years 2022–2024. Its ENERGY STAR score went from 55 in 2022 to 72 in 2023 (+17 points). Site EUI moved from 83.2 kBtu/ft² (2022) to 89.1 kBtu/ft² (2024), an 7% increase. Reported emissions went from 3,093 tCO₂e to 3,735 tCO₂e over the same span (up 21%).
What does a site EUI of 89.1 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. AKAM - 150 West 51st Street's 89.1 kBtu/ft² across 593,760 sq ft works out to about 52.9 billion Btu (15,505 MWh-equivalent) in 2024. Its source EUI of 137.5 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 4,374,095 kWh of electricity and 379,745 therms of natural gas for the year.
Which law requires AKAM - 150 West 51st Street to report its energy use?
AKAM - 150 West 51st Street 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:4951978:2024). 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 multifamily housing buildings in New York City
- DEPM 2408 - 200 Rector Place· 593,232 sq ft · score 51 (D)
- RY - Yorkville Towers - 1601 Third Avenue - CHILD· 592,206 sq ft · score 1 (D)
- DEPM 2656 PARENT - 60 Division Ave· 591,358 sq ft · score 37 (D)
- The Hub (hb002, hb003, hb008)· 591,104 sq ft
- CVG - 6th Corporation· 590,172 sq ft · score 48 (D)
- (7326) - 515 East 72nd Street Condominium (515 east 72nd Street)· 590,000 sq ft · score 38 (D)
- Multifamily Housing buildings in New York City· 33,022 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 AKAM - 150 West 51st Street's energy grade?
AKAM - 150 West 51st Street did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 89.1 kBtu/ft².
How much energy does AKAM - 150 West 51st Street use?
Its 2024 site energy-use intensity was 89.1 kBtu/ft² (137.5 kBtu/ft² source) across 593,760 sq ft, including 4,374,095 kWh of electricity and 379,745 therms of natural gas.
What are AKAM - 150 West 51st Street's carbon emissions?
AKAM - 150 West 51st Street reported 3,735 tCO₂e of greenhouse-gas emissions (6.3 kgCO₂e/ft²) for 2024.
Where is AKAM - 150 West 51st Street?
AKAM - 150 West 51st Street is in New York City, New York 10019. Its coordinates are 40.76143, -73.98214 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is AKAM - 150 West 51st Street and when was it built?
AKAM - 150 West 51st Street has 593,760 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1927 as its year built. It is classed as multifamily housing.
Is AKAM - 150 West 51st Street 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, “AKAM - 150 West 51st Street, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/akam-150-west-51st-street-ff87c20d (data as of October 2, 2026).