Buchbinder: 312 W 23rd St
Multifamily Housing in New York City, NY · 312 W 23rd St · 10011
At a glance
Buchbinder: 312 W 23rd St is a 54,294-square-foot multifamily housing building in New York City, New York, built in 1948. In its 2023 New York City benchmarking disclosure it reported a site energy-use intensity of 64.6 kBtu/ft² and 260 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 64.6 kBtu/ft² |
| Source EUI | 110.7 kBtu/ft² |
| GHG emissions | 260 tCO₂e |
| GHG intensity | 4.8 kgCO₂e/ft² |
| Electricity | 389,797 kWh |
| Natural gas | 21,762 therms |
| Water use | 2,877 kgal |
| Gross floor area | 54,294 sq ft |
| Source record | nyc:6282522:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | — | 64.6 kBtu/ft² | 260 tCO₂e | |
| 2022 | — | 104.6 kBtu/ft² | 346 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
- 312 W 23rd St
- City
- New York City
- State
- New York
- ZIP
- 10011
- Coordinates
- 40.74557, -73.99916
Within ~1 km
Nearby benchmarked buildings
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- PENN 1 (Offices)score —
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- 111 Eighth Avenuescore —
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See also: most efficient in New York City · biggest emitters
How does Buchbinder: 312 W 23rd St 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 64.6 kBtu/ft² is about 14% 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 4.8 kgCO₂e/ft² is roughly in line with the group average of 5.2 kgCO₂e/ft².
At 54,294 sq ft, it is about half of the average floor area of 100,951 sq ft for those buildings. It was built in 1948, 4 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 Buchbinder: 312 W 23rd St's energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for Buchbinder: 312 W 23rd St, covering report years 2022–2023. Site EUI moved from 104.6 kBtu/ft² (2022) to 64.6 kBtu/ft² (2023), a 38% decrease. Reported emissions went from 346 tCO₂e to 260 tCO₂e over the same span (down 25%).
What does a site EUI of 64.6 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. Buchbinder: 312 W 23rd St's 64.6 kBtu/ft² across 54,294 sq ft works out to about 3.5 billion Btu (1,028 MWh-equivalent) in 2023. Its source EUI of 110.7 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 389,797 kWh of electricity, 21,762 therms of natural gas and 2,877 thousand gallons of water for the year.
Which law requires Buchbinder: 312 W 23rd St to report its energy use?
Buchbinder: 312 W 23rd St 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:6282522:2023). 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.
More multifamily housing buildings in New York City
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- 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 Buchbinder: 312 W 23rd St's energy grade?
Buchbinder: 312 W 23rd St did not report an ENERGY STAR score in its 2023 disclosure, but its site energy-use intensity was 64.6 kBtu/ft².
How much energy does Buchbinder: 312 W 23rd St use?
Its 2023 site energy-use intensity was 64.6 kBtu/ft² (110.7 kBtu/ft² source) across 54,294 sq ft, including 389,797 kWh of electricity and 21,762 therms of natural gas.
What are Buchbinder: 312 W 23rd St's carbon emissions?
Buchbinder: 312 W 23rd St reported 260 tCO₂e of greenhouse-gas emissions (4.8 kgCO₂e/ft²) for 2023.
Where is Buchbinder: 312 W 23rd St?
Buchbinder: 312 W 23rd St is in New York City, New York 10011. Its coordinates are 40.74557, -73.99916 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Buchbinder: 312 W 23rd St and when was it built?
Buchbinder: 312 W 23rd St has 54,294 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1948 as its year built. It is classed as multifamily housing.
Is Buchbinder: 312 W 23rd St 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, “Buchbinder: 312 W 23rd St, New York City, New York — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/buchbinder-312-w-23rd-st-843f523f (data as of October 2, 2026).