50 Madison Avenue - 30361
Multifamily Housing in New York City, NY · 50 Madison Avenue · 10010
At a glance
50 Madison Avenue - 30361 is a 33,438-square-foot multifamily housing building in New York City, New York, built in 1910. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 59.2 kBtu/ft² and 165 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 59.2 kBtu/ft² |
| Source EUI | 112.6 kBtu/ft² |
| GHG emissions | 165 tCO₂e |
| GHG intensity | 4.9 kgCO₂e/ft² |
| Electricity | 282,478 kWh |
| Natural gas | 10,153 therms |
| Water use | 907 kgal |
| Gross floor area | 33,438 sq ft |
| Source record | nyc:6266278:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 59.2 kBtu/ft² | 165 tCO₂e | |
| 2023 | — | 61.0 kBtu/ft² | 161 tCO₂e | |
| 2022 | — | 75.9 kBtu/ft² | 161 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
- 50 Madison Avenue
- City
- New York City
- State
- New York
- ZIP
- 10010
- Coordinates
- 40.74299, -73.98645
Within ~1 km
Nearby benchmarked buildings
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- 11 Madison Avenuescore 77
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- 51 Madisonscore 79
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- One Madison Avenuescore —
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- 3 Park Avenuescore 69
Office · 1,205,501 sq ft
See also: most efficient in New York City · biggest emitters
How does 50 Madison Avenue - 30361 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 59.2 kBtu/ft² is about 21% 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 4.9 kgCO₂e/ft² is roughly in line with the group average of 5.2 kgCO₂e/ft².
At 33,438 sq ft, it is about 67% below the average floor area of 100,951 sq ft for those buildings. It was built in 1910, 42 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 50 Madison Avenue - 30361's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 50 Madison Avenue - 30361, covering report years 2022–2024. Site EUI moved from 75.9 kBtu/ft² (2022) to 59.2 kBtu/ft² (2024), a 22% decrease. Reported emissions went from 161 tCO₂e to 165 tCO₂e over the same span (up 3%).
What does a site EUI of 59.2 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. 50 Madison Avenue - 30361's 59.2 kBtu/ft² across 33,438 sq ft works out to about 2 billion Btu (580 MWh-equivalent) in 2024. Its source EUI of 112.6 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 282,478 kWh of electricity, 10,153 therms of natural gas and 907 thousand gallons of water for the year.
Which law requires 50 Madison Avenue - 30361 to report its energy use?
50 Madison Avenue - 30361 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:6266278:2024). 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
- 1201 UNIVERSITY AVE.· 33,425 sq ft · score 100 (A)
- Samuel Bodenheim Management - 1201 University Ave· 33,425 sq ft · score 3 (D)
- 94-19 35th Avenue· 33,420 sq ft · score 93 (A)
- 95-05 35th Avenue· 33,420 sq ft · score 94 (A)
- 94-05 35th Avenue· 33,420 sq ft · score 73 (B)
- 515 West Realty : 515 WEST 183 STREET· 33,418 sq ft · score 33 (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 50 Madison Avenue - 30361's energy grade?
50 Madison Avenue - 30361 did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 59.2 kBtu/ft².
How much energy does 50 Madison Avenue - 30361 use?
Its 2024 site energy-use intensity was 59.2 kBtu/ft² (112.6 kBtu/ft² source) across 33,438 sq ft, including 282,478 kWh of electricity and 10,153 therms of natural gas.
What are 50 Madison Avenue - 30361's carbon emissions?
50 Madison Avenue - 30361 reported 165 tCO₂e of greenhouse-gas emissions (4.9 kgCO₂e/ft²) for 2024.
Where is 50 Madison Avenue - 30361?
50 Madison Avenue - 30361 is in New York City, New York 10010. Its coordinates are 40.74299, -73.98645 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 50 Madison Avenue - 30361 and when was it built?
50 Madison Avenue - 30361 has 33,438 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1910 as its year built. It is classed as multifamily housing.
Is 50 Madison Avenue - 30361 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, “50 Madison Avenue - 30361, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/50-madison-avenue-30361-b65c83af (data as of October 2, 2026).