1493 York Avenue AKA 435 East 79th Street
Multifamily Housing in New York City, NY · 10075
At a glance
1493 York Avenue AKA 435 East 79th Street is a 277,073-square-foot multifamily housing building in New York City, New York, built in 1956. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 24 out of 100 (grade D), a site energy-use intensity of 101.3 kBtu/ft² and 1,954 tCO₂e of greenhouse-gas emissions. That score is higher than 14% of the 22,829 scored multifamily housing buildings in New York City.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 24 (band D) |
| Site EUI | 101.3 kBtu/ft² |
| Source EUI | 162.6 kBtu/ft² |
| GHG emissions | 1,954 tCO₂e |
| GHG intensity | 7.4 kgCO₂e/ft² |
| Electricity | 2,500,590 kWh |
| Natural gas | 183,067 therms |
| Gross floor area | 277,073 sq ft |
| Source record | nyc:6810370:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 24 | -1 | 101.3 kBtu/ft² | 1,954 tCO₂e |
| 2023 | 25 | +1 | 100.5 kBtu/ft² | 1,891 tCO₂e |
| 2022 | 24 | 109.2 kBtu/ft² | 1,817 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
- 1493 York Avenue AKA 435 East 79th Street
- City
- New York City
- State
- New York
- ZIP
- 10075
- Coordinates
- 40.77150, -73.95037
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 1493 York Avenue AKA 435 East 79th 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. 1493 York Avenue AKA 435 East 79th Street's ENERGY STAR score of 24 compares with an average of 63 across the 22,829 that report a score; it scores higher than 14% of them and lower than 85%. Its site EUI of 101.3 kBtu/ft² is about 35% above the average of 74.9 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 7.4 kgCO₂e/ft² is about 42% above the group average of 5.2 kgCO₂e/ft².
At 277,073 sq ft, it is about 174% above the average floor area of 100,951 sq ft for those buildings. It was built in 1956, 4 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 1493 York Avenue AKA 435 East 79th Street's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 1493 York Avenue AKA 435 East 79th Street, covering report years 2022–2024. Its ENERGY STAR score was 24 in both 2022 and 2024. Site EUI moved from 109.2 kBtu/ft² (2022) to 101.3 kBtu/ft² (2024), a 7% decrease. Reported emissions went from 1,817 tCO₂e to 1,954 tCO₂e over the same span (up 8%).
What does an ENERGY STAR score of 24 mean?
ENERGY STAR scores run from 1 to 100 and are computed by the EPA's Portfolio Manager as a percentile against similar buildings nationwide, adjusted for climate, size and use: a score of 24 means the building performs better than about 24% of its national peers. BuildingCensus bands the score into report-card grades; 24 falls in band D — lowest band (1–54). It sits 51 points below 75, the threshold for ENERGY STAR certification. In New York City, 43% of scored buildings are at 75 or above.
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. 1493 York Avenue AKA 435 East 79th Street's 101.3 kBtu/ft² across 277,073 sq ft works out to about 28.1 billion Btu (8,226 MWh-equivalent) in 2024. Its source EUI of 162.6 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 2,500,590 kWh of electricity and 183,067 therms of natural gas for the year.
Which law requires 1493 York Avenue AKA 435 East 79th Street to report its energy use?
1493 York Avenue AKA 435 East 79th 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:6810370:2024). 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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- 8200 Shore Front Pkwy· 276,760 sq ft · score 50 (D)
- 8800 Shore Front Pkwy· 276,760 sq ft · score 100 (A)
- 8600 Shore Front Pkwy· 276,760 sq ft · score 1 (D)
- 8400 Shore Front Pkwy· 276,760 sq ft · score 100 (A)
- 8100 Shore Front Pkwy· 276,760 sq ft · score 100 (A)
- 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 1493 York Avenue AKA 435 East 79th Street's energy grade?
1493 York Avenue AKA 435 East 79th Street scores 24 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 1493 York Avenue AKA 435 East 79th Street use?
Its 2024 site energy-use intensity was 101.3 kBtu/ft² (162.6 kBtu/ft² source) across 277,073 sq ft, including 2,500,590 kWh of electricity and 183,067 therms of natural gas.
What are 1493 York Avenue AKA 435 East 79th Street's carbon emissions?
1493 York Avenue AKA 435 East 79th Street reported 1,954 tCO₂e of greenhouse-gas emissions (7.4 kgCO₂e/ft²) for 2024.
Where is 1493 York Avenue AKA 435 East 79th Street?
1493 York Avenue AKA 435 East 79th Street is in New York City, New York 10075. Its coordinates are 40.77150, -73.95037 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 1493 York Avenue AKA 435 East 79th Street and when was it built?
1493 York Avenue AKA 435 East 79th Street has 277,073 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1956 as its year built. It is classed as multifamily housing.
Is 1493 York Avenue AKA 435 East 79th 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, “1493 York Avenue AKA 435 East 79th Street, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/1493-york-avenue-aka-435-east-79th-street-0b50ebe1 (data as of October 2, 2026).