JC Dwight - 400 EAST 50TH STREET
Multifamily Housing in New York City, NY · 400 EAST 50TH STREET · 10022
At a glance
JC Dwight - 400 EAST 50TH STREET is a 26,610-square-foot multifamily housing building in New York City, New York, built in 1930. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 6 out of 100 (grade D), a site energy-use intensity of 134.0 kBtu/ft² and 267 tCO₂e of greenhouse-gas emissions. That score is higher than 5% of the 22,829 scored multifamily housing buildings in New York City.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 6 (band D) |
| Site EUI | 134.0 kBtu/ft² |
| Source EUI | 222.7 kBtu/ft² |
| GHG emissions | 267 tCO₂e |
| GHG intensity | 10.0 kgCO₂e/ft² |
| Electricity | 365,487 kWh |
| Natural gas | 23,184 therms |
| Water use | 1,923 kgal |
| Gross floor area | 26,610 sq ft |
| Source record | nyc:6701568:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 6 | +2 | 134.0 kBtu/ft² | 267 tCO₂e |
| 2023 | 4 | -4 | 143.7 kBtu/ft² | 273 tCO₂e |
| 2022 | 8 | 139.7 kBtu/ft² | 234 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
- 400 EAST 50TH STREET
- City
- New York City
- State
- New York
- ZIP
- 10022
- Coordinates
- 40.75379, -73.96596
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does JC Dwight - 400 EAST 50TH 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. JC Dwight - 400 EAST 50TH STREET's ENERGY STAR score of 6 compares with an average of 63 across the 22,829 that report a score; it scores higher than 5% of them and lower than 94%. Its site EUI of 134.0 kBtu/ft² is about 79% 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 10.0 kgCO₂e/ft² is about twice the group average of 5.2 kgCO₂e/ft².
At 26,610 sq ft, it is about 74% below the average floor area of 100,951 sq ft for those buildings. It was built in 1930, 22 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 JC Dwight - 400 EAST 50TH STREET's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for JC Dwight - 400 EAST 50TH STREET, covering report years 2022–2024. Its ENERGY STAR score went from 8 in 2022 to 6 in 2024 (-2 points); its best year on file was 2022, at 8. Site EUI moved from 139.7 kBtu/ft² (2022) to 134.0 kBtu/ft² (2024), a 4% decrease. Reported emissions went from 234 tCO₂e to 267 tCO₂e over the same span (up 14%).
What does an ENERGY STAR score of 6 mean?
ENERGY STAR scores run from 1 to 100 and are computed by the EPA's Portfolio Manager as a percentile against similar buildings nationwide, adjusted for climate, size and use: a score of 6 means the building performs better than about 6% of its national peers. BuildingCensus bands the score into report-card grades; 6 falls in band D — lowest band (1–54). It sits 69 points below 75, the threshold for ENERGY STAR certification. In New York City, 43% of scored buildings are at 75 or above.
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. JC Dwight - 400 EAST 50TH STREET's 134.0 kBtu/ft² across 26,610 sq ft works out to about 3.6 billion Btu (1,045 MWh-equivalent) in 2024. Its source EUI of 222.7 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 365,487 kWh of electricity, 23,184 therms of natural gas and 1,923 thousand gallons of water for the year.
Which law requires JC Dwight - 400 EAST 50TH STREET to report its energy use?
JC Dwight - 400 EAST 50TH 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:6701568:2024). 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.
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- 45-25 39th Pl· 26,600 sq ft · score 36 (D)
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- Multifamily Housing buildings in New York City· 33,022 benchmarked
- All New York City benchmarked buildings· Local Law 84 (LL84)
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- Least efficient large buildings in New York City
- Biggest emitters in New York City
Frequently asked questions
What is JC Dwight - 400 EAST 50TH STREET's energy grade?
JC Dwight - 400 EAST 50TH STREET scores 6 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does JC Dwight - 400 EAST 50TH STREET use?
Its 2024 site energy-use intensity was 134.0 kBtu/ft² (222.7 kBtu/ft² source) across 26,610 sq ft, including 365,487 kWh of electricity and 23,184 therms of natural gas.
What are JC Dwight - 400 EAST 50TH STREET's carbon emissions?
JC Dwight - 400 EAST 50TH STREET reported 267 tCO₂e of greenhouse-gas emissions (10.0 kgCO₂e/ft²) for 2024.
Where is JC Dwight - 400 EAST 50TH STREET?
JC Dwight - 400 EAST 50TH STREET is in New York City, New York 10022. Its coordinates are 40.75379, -73.96596 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is JC Dwight - 400 EAST 50TH STREET and when was it built?
JC Dwight - 400 EAST 50TH STREET has 26,610 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1930 as its year built. It is classed as multifamily housing.
Is JC Dwight - 400 EAST 50TH 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, “JC Dwight - 400 EAST 50TH STREET, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/jc-dwight-400-east-50th-street-a13995c5 (data as of October 2, 2026).