Centaur Properties - 33 East 21 Street
Office in New York City, NY · 33 East 21 Street · 10010
At a glance
Centaur Properties - 33 East 21 Street is a 100,000-square-foot office building in New York City, New York, built in 1903. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 71.0 kBtu/ft² and 672 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 71.0 kBtu/ft² |
| Source EUI | 145.3 kBtu/ft² |
| GHG emissions | 672 tCO₂e |
| GHG intensity | 6.7 kgCO₂e/ft² |
| Electricity | 1,197,565 kWh |
| Natural gas | 10,274 therms |
| Gross floor area | 100,000 sq ft |
| Source record | nyc:49865692:2024 |
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
- 33 East 21 Street
- City
- New York City
- State
- New York
- ZIP
- 10010
- Coordinates
- 40.73959, -73.98891
Within ~1 km
Nearby benchmarked buildings
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- 51 Madisonscore 79
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- One Madison Avenuescore —
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- ConEd Irving Placescore 55
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- Benchmarking Group - 3score —
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See also: most efficient in New York City · biggest emitters
How does Centaur Properties - 33 East 21 Street 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 71.0 kBtu/ft² is about 10% above the average of 64.5 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 6.7 kgCO₂e/ft² is about 16% above the group average of 5.8 kgCO₂e/ft².
At 100,000 sq ft, it is about half of the average floor area of 205,440 sq ft for those buildings. It was built in 1903, 37 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 71.0 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. Centaur Properties - 33 East 21 Street's 71.0 kBtu/ft² across 100,000 sq ft works out to about 7.1 billion Btu (2,081 MWh-equivalent) in 2024. Its source EUI of 145.3 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,197,565 kWh of electricity and 10,274 therms of natural gas for the year.
Which law requires Centaur Properties - 33 East 21 Street to report its energy use?
Centaur Properties - 33 East 21 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:49865692:2024). 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
- 154 Scott Avenue· 99,700 sq ft · score 78 (B)
- 321 E 61 St (Joy)· 99,519 sq ft · score 88 (A)
- 239 Butler Street· 99,500 sq ft · EUI 0.0 kBtu/ft²
- Justin Management: 127 W 26th St· 99,478 sq ft · score 90 (A)
- 147 West 35th Street· 99,184 sq ft · score 86 (A)
- First Pioneer - 33-02 Skillman Avenue· 99,000 sq ft · score 97 (A)
- 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 Centaur Properties - 33 East 21 Street's energy grade?
Centaur Properties - 33 East 21 Street did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 71.0 kBtu/ft².
How much energy does Centaur Properties - 33 East 21 Street use?
Its 2024 site energy-use intensity was 71.0 kBtu/ft² (145.3 kBtu/ft² source) across 100,000 sq ft, including 1,197,565 kWh of electricity and 10,274 therms of natural gas.
What are Centaur Properties - 33 East 21 Street's carbon emissions?
Centaur Properties - 33 East 21 Street reported 672 tCO₂e of greenhouse-gas emissions (6.7 kgCO₂e/ft²) for 2024.
Where is Centaur Properties - 33 East 21 Street?
Centaur Properties - 33 East 21 Street is in New York City, New York 10010. Its coordinates are 40.73959, -73.98891 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Centaur Properties - 33 East 21 Street and when was it built?
Centaur Properties - 33 East 21 Street has 100,000 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1903 as its year built. It is classed as office.
Is Centaur Properties - 33 East 21 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, “Centaur Properties - 33 East 21 Street, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/centaur-properties-33-east-21-street-c985f43e (data as of October 2, 2026).