79 East 79th St
Multifamily Housing in New York City, NY · 73 EAST 79 STREET · 10075
At a glance
79 East 79th St is a 65,353-square-foot multifamily housing building at 73 EAST 79 STREET in New York City, New York, built in 1928. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 64.8 kBtu/ft² and 331 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 64.8 kBtu/ft² |
| Source EUI | 103.5 kBtu/ft² |
| GHG emissions | 331 tCO₂e |
| GHG intensity | 5.1 kgCO₂e/ft² |
| Electricity | 308,560 kWh |
| Natural gas | 639 therms |
| Water use | 1,339 kgal |
| Gross floor area | 65,353 sq ft |
| Source record | nyc:2670083:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 64.8 kBtu/ft² | 331 tCO₂e | |
| 2023 | — | 70.1 kBtu/ft² | 348 tCO₂e | |
| 2022 | — | 82.5 kBtu/ft² | 379 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
- 73 EAST 79 STREET
- City
- New York City
- State
- New York
- ZIP
- 10075
- Coordinates
- 40.77597, -73.96127
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 79 East 79th 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 64.8 kBtu/ft² is about 13% 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 5.1 kgCO₂e/ft² is roughly in line with the group average of 5.2 kgCO₂e/ft².
At 65,353 sq ft, it is about 35% below the average floor area of 100,951 sq ft for those buildings. It was built in 1928, 24 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 79 East 79th St's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 79 East 79th St, covering report years 2022–2024. Site EUI moved from 82.5 kBtu/ft² (2022) to 64.8 kBtu/ft² (2024), a 21% decrease. Reported emissions went from 379 tCO₂e to 331 tCO₂e over the same span (down 13%).
What does a site EUI of 64.8 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. 79 East 79th St's 64.8 kBtu/ft² across 65,353 sq ft works out to about 4.2 billion Btu (1,241 MWh-equivalent) in 2024. Its source EUI of 103.5 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 308,560 kWh of electricity, 639 therms of natural gas and 1,339 thousand gallons of water for the year.
Which law requires 79 East 79th St to report its energy use?
79 East 79th 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 2024 disclosure (source record nyc:2670083:2024). 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 multifamily housing buildings in New York City
- 342 E 119th Street - 35898· 65,352 sq ft · score 94 (A)
- 186 Pinehurst Avenue - 40223· 65,352 sq ft · score 99 (A)
- Chestnut - 3539 Decatur Avenue· 65,342 sq ft · score 77 (B)
- BPHN Senior Residence· 65,335 sq ft · score 1 (D)
- Woodhull II· 65,320 sq ft · score 100 (A)
- 2305 Grand Ave - 36205· 65,315 sq ft · score 77 (B)
- 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 79 East 79th St's energy grade?
79 East 79th St did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 64.8 kBtu/ft².
How much energy does 79 East 79th St use?
Its 2024 site energy-use intensity was 64.8 kBtu/ft² (103.5 kBtu/ft² source) across 65,353 sq ft, including 308,560 kWh of electricity and 639 therms of natural gas.
What are 79 East 79th St's carbon emissions?
79 East 79th St reported 331 tCO₂e of greenhouse-gas emissions (5.1 kgCO₂e/ft²) for 2024.
Where is 79 East 79th St?
79 East 79th St is at 73 EAST 79 STREET, in New York City, New York 10075. Its coordinates are 40.77597, -73.96127 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 79 East 79th St and when was it built?
79 East 79th St has 65,353 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1928 as its year built. It is classed as multifamily housing.
Is 79 East 79th St 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, “79 East 79th St, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/79-east-79th-st-1e03045b (data as of October 2, 2026).