149 Madison Ave_LL84 agg data
Office in New York City, NY · 149 Madison Avenue · 10011
At a glance
149 Madison Ave_LL84 agg data is a 119,006-square-foot office building at 149 Madison Avenue in New York City, New York, built in 1906. In its 2022 New York City benchmarking disclosure it reported a site energy-use intensity of 18.2 kBtu/ft² and 183 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2022
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 18.2 kBtu/ft² |
| Source EUI | 51.0 kBtu/ft² |
| GHG emissions | 183 tCO₂e |
| GHG intensity | 1.5 kgCO₂e/ft² |
| Electricity | 635,273 kWh |
| Gross floor area | 119,006 sq ft |
| Source record | nyc:15663940:2022 |
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
- 149 Madison Avenue
- City
- New York City
- State
- New York
- ZIP
- 10011
- Coordinates
- 40.74633, -73.98399
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 149 Madison Ave_LL84 agg data 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. Its site EUI of 18.2 kBtu/ft² is about 72% below 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 1.5 kgCO₂e/ft² is about 74% below the group average of 5.8 kgCO₂e/ft².
At 119,006 sq ft, it is about 42% below the average floor area of 205,440 sq ft for those buildings. It was built in 1906, 34 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.
What does a site EUI of 18.2 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. 149 Madison Ave_LL84 agg data's 18.2 kBtu/ft² across 119,006 sq ft works out to about 2.2 billion Btu (635 MWh-equivalent) in 2022. Its source EUI of 51.0 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 635,273 kWh of electricity for the year.
Which law requires 149 Madison Ave_LL84 agg data to report its energy use?
149 Madison Ave_LL84 agg data 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 2022 disclosure (source record nyc:15663940:2022). 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
- URA Group - 828 Broadway· 119,000 sq ft · score 82 (B)
- 1776 Broadway· 119,000 sq ft · score 95 (A)
- URA Group - 108 West 39th Street· 118,949 sq ft · score 93 (A)
- 19 West 21st Street· 118,948 sq ft
- 245 West 17th Street· 118,945 sq ft · score 85 (A)
- Feil - 250 Park Avenue South· 118,872 sq ft · EUI 94.3 kBtu/ft²
- 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 149 Madison Ave_LL84 agg data's energy grade?
149 Madison Ave_LL84 agg data did not report an ENERGY STAR score in its 2022 disclosure, but its site energy-use intensity was 18.2 kBtu/ft².
How much energy does 149 Madison Ave_LL84 agg data use?
Its 2022 site energy-use intensity was 18.2 kBtu/ft² (51.0 kBtu/ft² source) across 119,006 sq ft, including 635,273 kWh of electricity.
What are 149 Madison Ave_LL84 agg data's carbon emissions?
149 Madison Ave_LL84 agg data reported 183 tCO₂e of greenhouse-gas emissions (1.5 kgCO₂e/ft²) for 2022.
Where is 149 Madison Ave_LL84 agg data?
149 Madison Ave_LL84 agg data is at 149 Madison Avenue, in New York City, New York 10011. Its coordinates are 40.74633, -73.98399 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 149 Madison Ave_LL84 agg data and when was it built?
149 Madison Ave_LL84 agg data has 119,006 sq ft of gross floor area, as reported in its 2022 disclosure. The disclosure lists 1906 as its year built. It is classed as office.
Is 149 Madison Ave_LL84 agg data covered by Local Law 84 (LL84)?
Yes — it appears in the 2022 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, “149 Madison Ave_LL84 agg data, New York City, New York — 2022 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/149-madison-ave-ll84-agg-data-a7c5aba3 (data as of October 2, 2026).