27 East 79 Street
Multifamily Housing in New York City, NY · 10075
At a glance
27 East 79 Street is a 28,768-square-foot multifamily housing building in New York City, New York, built in 2018. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 51.8 kBtu/ft² and 155 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 51.8 kBtu/ft² |
| Source EUI | 128.9 kBtu/ft² |
| GHG emissions | 155 tCO₂e |
| GHG intensity | 5.4 kgCO₂e/ft² |
| Electricity | 358,622 kWh |
| Natural gas | 2,678 therms |
| Water use | 489 kgal |
| Gross floor area | 28,768 sq ft |
| Source record | nyc:17248769:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 51.8 kBtu/ft² | 155 tCO₂e | |
| 2023 | — | 49.7 kBtu/ft² | 136 tCO₂e | |
| 2022 | — | 40.2 kBtu/ft² | 91 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
- 27 East 79 Street
- City
- New York City
- State
- New York
- ZIP
- 10075
- Coordinates
- 40.77652, -73.96257
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 27 East 79 Street 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 51.8 kBtu/ft² is about 31% 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 5.4 kgCO₂e/ft² is roughly in line with the group average of 5.2 kgCO₂e/ft².
At 28,768 sq ft, it is about 72% below the average floor area of 100,951 sq ft for those buildings. It was built in 2018, 66 years later 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 27 East 79 Street's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 27 East 79 Street, covering report years 2022–2024. Site EUI moved from 40.2 kBtu/ft² (2022) to 51.8 kBtu/ft² (2024), an 29% increase. Reported emissions went from 91 tCO₂e to 155 tCO₂e over the same span (up 70%).
What does a site EUI of 51.8 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. 27 East 79 Street's 51.8 kBtu/ft² across 28,768 sq ft works out to about 1.5 billion Btu (437 MWh-equivalent) in 2024. Its source EUI of 128.9 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 358,622 kWh of electricity, 2,678 therms of natural gas and 489 thousand gallons of water for the year.
Which law requires 27 East 79 Street to report its energy use?
27 East 79 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:17248769:2024). 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
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- 319 East 197· 28,751 sq ft · score 49 (D)
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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 27 East 79 Street's energy grade?
27 East 79 Street did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 51.8 kBtu/ft².
How much energy does 27 East 79 Street use?
Its 2024 site energy-use intensity was 51.8 kBtu/ft² (128.9 kBtu/ft² source) across 28,768 sq ft, including 358,622 kWh of electricity and 2,678 therms of natural gas.
What are 27 East 79 Street's carbon emissions?
27 East 79 Street reported 155 tCO₂e of greenhouse-gas emissions (5.4 kgCO₂e/ft²) for 2024.
Where is 27 East 79 Street?
27 East 79 Street is in New York City, New York 10075. Its coordinates are 40.77652, -73.96257 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 27 East 79 Street and when was it built?
27 East 79 Street has 28,768 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2018 as its year built. It is classed as multifamily housing.
Is 27 East 79 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, “27 East 79 Street, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/27-east-79-street-836269b3 (data as of October 2, 2026).