424 Madison Avenue
Office in New York City, NY · 10017
At a glance
424 Madison Avenue is a 68,669-square-foot office building in New York City, New York, built in 1924. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 67 out of 100 (grade C), a site energy-use intensity of 64.4 kBtu/ft² and 144 tCO₂e of greenhouse-gas emissions. That score is higher than 31% of the 2,519 scored office buildings in New York City.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 67 (band C) |
| Site EUI | 64.4 kBtu/ft² |
| Source EUI | 129.7 kBtu/ft² |
| GHG emissions | 144 tCO₂e |
| GHG intensity | 2.1 kgCO₂e/ft² |
| Electricity | 658,458 kWh |
| Natural gas | 0 therms |
| Water use | 1,055 kgal |
| Gross floor area | 68,669 sq ft |
| Source record | nyc:6311962:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 67 | +12 | 64.4 kBtu/ft² | 144 tCO₂e |
| 2023 | 55 | -10 | 71.3 kBtu/ft² | 143 tCO₂e |
| 2022 | 65 | 70.8 kBtu/ft² | 162 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
- 424 Madison Avenue
- City
- New York City
- State
- New York
- ZIP
- 10017
- Coordinates
- 40.75696, -73.97626
Within ~1 km
Nearby benchmarked buildings
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See also: most efficient in New York City · biggest emitters
How does 424 Madison Avenue compare with other office buildings in New York City?
The latest disclosures cover 3,384 office buildings in New York City, out of 48,310 buildings citywide. 424 Madison Avenue's ENERGY STAR score of 67 compares with an average of 72 across the 2,519 that report a score; it scores higher than 31% of them and lower than 68%. Its site EUI of 64.4 kBtu/ft² is roughly in line with the average of 64.5 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 2.1 kgCO₂e/ft² is about 64% below the group average of 5.8 kgCO₂e/ft².
At 68,669 sq ft, it is about 67% below the average floor area of 205,440 sq ft for those buildings. It was built in 1924, 16 years earlier than the group's average year built (1940). Across all 24 jurisdictions BuildingCensus covers, the 15,264 office buildings average an ENERGY STAR score of 73 and a site EUI of 59.3 kBtu/ft².
How has 424 Madison Avenue's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 424 Madison Avenue, covering report years 2022–2024. Its ENERGY STAR score went from 65 in 2022 to 67 in 2024 (+2 points). Site EUI moved from 70.8 kBtu/ft² (2022) to 64.4 kBtu/ft² (2024), a 9% decrease. Reported emissions went from 162 tCO₂e to 144 tCO₂e over the same span (down 11%).
What does an ENERGY STAR score of 67 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 67 means the building performs better than about 67% of its national peers. BuildingCensus bands the score into report-card grades; 67 falls in band C — below median (55–69). It sits 8 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. 424 Madison Avenue's 64.4 kBtu/ft² across 68,669 sq ft works out to about 4.4 billion Btu (1,296 MWh-equivalent) in 2024. Its source EUI of 129.7 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 658,458 kWh of electricity, 0 therms of natural gas and 1,055 thousand gallons of water for the year.
Which law requires 424 Madison Avenue to report its energy use?
424 Madison Avenue 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:6311962:2024). 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 office buildings in New York City
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- Brooklyn Stages - 108 Jewel St· 68,600 sq ft · EUI 39.9 kBtu/ft²
- 464 West 44th Street· 68,579 sq ft
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- Office buildings in New York City· 3,384 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 424 Madison Avenue's energy grade?
424 Madison Avenue scores 67 out of 100 on ENERGY STAR — band C, below median (55–69) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 424 Madison Avenue use?
Its 2024 site energy-use intensity was 64.4 kBtu/ft² (129.7 kBtu/ft² source) across 68,669 sq ft, including 658,458 kWh of electricity and 0 therms of natural gas.
What are 424 Madison Avenue's carbon emissions?
424 Madison Avenue reported 144 tCO₂e of greenhouse-gas emissions (2.1 kgCO₂e/ft²) for 2024.
Where is 424 Madison Avenue?
424 Madison Avenue is in New York City, New York 10017. Its coordinates are 40.75696, -73.97626 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 424 Madison Avenue and when was it built?
424 Madison Avenue has 68,669 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1924 as its year built. It is classed as office.
Is 424 Madison Avenue 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, “424 Madison Avenue, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/424-madison-avenue-f49409e2 (data as of October 2, 2026).