Galileo Associates (301)
Multifamily Housing in New York City, NY · 301 W 21st St · 10011
At a glance
Galileo Associates (301) is a 12,990-square-foot multifamily housing building at 301 W 21st St in New York City, New York, built in 1900. In its 2023 New York City benchmarking disclosure it reported a site energy-use intensity of 31.6 kBtu/ft² and 39 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 31.6 kBtu/ft² |
| Source EUI | 75.0 kBtu/ft² |
| GHG emissions | 39 tCO₂e |
| GHG intensity | 3.0 kgCO₂e/ft² |
| Electricity | 91,127 kWh |
| Natural gas | 992 therms |
| Gross floor area | 12,990 sq ft |
| Source record | nyc:18033137:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | — | 31.6 kBtu/ft² | 39 tCO₂e | |
| 2022 | — | 36.2 kBtu/ft² | 36 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
- 301 W 21st St
- City
- New York City
- State
- New York
- ZIP
- 10011
- Coordinates
- 40.74419, -73.99984
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does Galileo Associates (301) 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 31.6 kBtu/ft² is about 58% 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 3.0 kgCO₂e/ft² is about 42% below the group average of 5.2 kgCO₂e/ft².
At 12,990 sq ft, it is about 87% below the average floor area of 100,951 sq ft for those buildings. It was built in 1900, 52 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 Galileo Associates (301)'s energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for Galileo Associates (301), covering report years 2022–2023. Site EUI moved from 36.2 kBtu/ft² (2022) to 31.6 kBtu/ft² (2023), a 13% decrease. Reported emissions went from 36 tCO₂e to 39 tCO₂e over the same span (up 10%).
What does a site EUI of 31.6 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. Galileo Associates (301)'s 31.6 kBtu/ft² across 12,990 sq ft works out to about 0.4 billion Btu (120 MWh-equivalent) in 2023. Its source EUI of 75.0 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 91,127 kWh of electricity and 992 therms of natural gas for the year.
Which law requires Galileo Associates (301) to report its energy use?
Galileo Associates (301) 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 2023 disclosure (source record nyc:18033137:2023). 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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- 595 Evergreen Avenue· 12,932 sq ft · EUI 72.5 kBtu/ft²
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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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Frequently asked questions
What is Galileo Associates (301)'s energy grade?
Galileo Associates (301) did not report an ENERGY STAR score in its 2023 disclosure, but its site energy-use intensity was 31.6 kBtu/ft².
How much energy does Galileo Associates (301) use?
Its 2023 site energy-use intensity was 31.6 kBtu/ft² (75.0 kBtu/ft² source) across 12,990 sq ft, including 91,127 kWh of electricity and 992 therms of natural gas.
What are Galileo Associates (301)'s carbon emissions?
Galileo Associates (301) reported 39 tCO₂e of greenhouse-gas emissions (3.0 kgCO₂e/ft²) for 2023.
Where is Galileo Associates (301)?
Galileo Associates (301) is at 301 W 21st St, in New York City, New York 10011. Its coordinates are 40.74419, -73.99984 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Galileo Associates (301) and when was it built?
Galileo Associates (301) has 12,990 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1900 as its year built. It is classed as multifamily housing.
Is Galileo Associates (301) covered by Local Law 84 (LL84)?
Yes — it appears in the 2023 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, “Galileo Associates (301), New York City, New York — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/galileo-associates-301-678cc968 (data as of October 2, 2026).