DEPM 2914 - 400 East 51st St
Multifamily Housing in New York City, NY · 400 East 51 Street · 10022
At a glance
DEPM 2914 - 400 East 51st St is a 189,662-square-foot multifamily housing building at 400 East 51 Street in New York City, New York, built in 2003. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 60.0 kBtu/ft² and 994 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 60.0 kBtu/ft² |
| Source EUI | 121.0 kBtu/ft² |
| GHG emissions | 994 tCO₂e |
| GHG intensity | 5.2 kgCO₂e/ft² |
| Electricity | 1,840,533 kWh |
| Natural gas | 51,083 therms |
| Water use | 4,997 kgal |
| Gross floor area | 189,662 sq ft |
| Source record | nyc:2665819:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 60.0 kBtu/ft² | 994 tCO₂e | |
| 2023 | 97 | +3 | 29.4 kBtu/ft² | 984 tCO₂e |
| 2022 | 94 | 35.2 kBtu/ft² | 996 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
- 400 East 51 Street
- City
- New York City
- State
- New York
- ZIP
- 10022
- Coordinates
- 40.75441, -73.96550
Within ~1 km
Nearby benchmarked buildings
- 345 Park Ave LPscore 47
Office · 1,783,232 sq ft
Office · 1,682,110 sq ft
- 399 Park Avenuescore 69
Office · 1,671,941 sq ft
- 919 Third Avenuescore —
Other - Technology/Science · 1,433,078 sq ft
- CHILD - 919 3 AVENUEscore —
Other - Technology/Science · 1,424,082 sq ft
Mixed Use Property · 1,402,032 sq ft
See also: most efficient in New York City · biggest emitters
How does DEPM 2914 - 400 East 51st St 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 60.0 kBtu/ft² is about 20% below the average of 74.9 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 5.2 kgCO₂e/ft² is roughly in line with the group average of 5.2 kgCO₂e/ft².
At 189,662 sq ft, it is about 88% above the average floor area of 100,951 sq ft for those buildings. It was built in 2003, 51 years later 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 DEPM 2914 - 400 East 51st St's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for DEPM 2914 - 400 East 51st St, covering report years 2022–2024. Its ENERGY STAR score went from 94 in 2022 to 97 in 2023 (+3 points). Site EUI moved from 35.2 kBtu/ft² (2022) to 60.0 kBtu/ft² (2024), an 70% increase. Reported emissions went from 996 tCO₂e to 994 tCO₂e over the same span (down 0%).
What does a site EUI of 60.0 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. DEPM 2914 - 400 East 51st St's 60.0 kBtu/ft² across 189,662 sq ft works out to about 11.4 billion Btu (3,335 MWh-equivalent) in 2024. Its source EUI of 121.0 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,840,533 kWh of electricity, 51,083 therms of natural gas and 4,997 thousand gallons of water for the year.
Which law requires DEPM 2914 - 400 East 51st St to report its energy use?
DEPM 2914 - 400 East 51st St 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:2665819:2024). 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
- The Prince George· 189,646 sq ft · score 88 (A)
- 301 East 22nd Street Tenants Corp. (301 E 22nd Street)· 189,616 sq ft · score 65 (C)
- 240 East 82nd Street· 189,612 sq ft · score 55 (C)
- 80 Park Avenue· 189,595 sq ft · score 51 (D)
- 475 Bay Street· 189,502 sq ft · score 100 (A)
- 125 Beach 19th Street· 189,500 sq ft
- 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 DEPM 2914 - 400 East 51st St's energy grade?
DEPM 2914 - 400 East 51st St did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 60.0 kBtu/ft².
How much energy does DEPM 2914 - 400 East 51st St use?
Its 2024 site energy-use intensity was 60.0 kBtu/ft² (121.0 kBtu/ft² source) across 189,662 sq ft, including 1,840,533 kWh of electricity and 51,083 therms of natural gas.
What are DEPM 2914 - 400 East 51st St's carbon emissions?
DEPM 2914 - 400 East 51st St reported 994 tCO₂e of greenhouse-gas emissions (5.2 kgCO₂e/ft²) for 2024.
Where is DEPM 2914 - 400 East 51st St?
DEPM 2914 - 400 East 51st St is at 400 East 51 Street, in New York City, New York 10022. Its coordinates are 40.75441, -73.96550 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is DEPM 2914 - 400 East 51st St and when was it built?
DEPM 2914 - 400 East 51st St has 189,662 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2003 as its year built. It is classed as multifamily housing.
Is DEPM 2914 - 400 East 51st St 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).
Working with New York City building benchmarking records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “DEPM 2914 - 400 East 51st St, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/depm-2914-400-east-51st-st-b15d7aaa (data as of October 2, 2026).