535 West 51st Street - 38173
Multifamily Housing in New York City, NY · 535 West 51st Street · 10019
At a glance
535 West 51st Street - 38173 is a 276,663-square-foot multifamily housing building in New York City, New York, built in 1981. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 30 out of 100 (grade D), a site energy-use intensity of 97.3 kBtu/ft² and 1,709 tCO₂e of greenhouse-gas emissions. That score is higher than 17% 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 | 30 (band D) |
| Site EUI | 97.3 kBtu/ft² |
| Source EUI | 130.6 kBtu/ft² |
| GHG emissions | 1,709 tCO₂e |
| GHG intensity | 6.2 kgCO₂e/ft² |
| Electricity | 1,320,618 kWh |
| Natural gas | 224,068 therms |
| Gross floor area | 276,663 sq ft |
| Source record | nyc:3110430:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 30 | -12 | 97.3 kBtu/ft² | 1,709 tCO₂e |
| 2023 | 42 | -10 | 86.8 kBtu/ft² | 1,517 tCO₂e |
| 2022 | 52 | 85.8 kBtu/ft² | 1,404 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
- 535 West 51st Street
- City
- New York City
- State
- New York
- ZIP
- 10019
- Coordinates
- 40.76594, -73.99282
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 535 West 51st Street - 38173 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. 535 West 51st Street - 38173's ENERGY STAR score of 30 compares with an average of 63 across the 22,829 that report a score; it scores higher than 17% of them and lower than 82%. Its site EUI of 97.3 kBtu/ft² is about 30% 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 6.2 kgCO₂e/ft² is about 19% above the group average of 5.2 kgCO₂e/ft².
At 276,663 sq ft, it is about 174% above the average floor area of 100,951 sq ft for those buildings. It was built in 1981, 29 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 535 West 51st Street - 38173's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 535 West 51st Street - 38173, covering report years 2022–2024. Its ENERGY STAR score went from 52 in 2022 to 30 in 2024 (-22 points); its best year on file was 2022, at 52. Site EUI moved from 85.8 kBtu/ft² (2022) to 97.3 kBtu/ft² (2024), an 13% increase. Reported emissions went from 1,404 tCO₂e to 1,709 tCO₂e over the same span (up 22%).
What does an ENERGY STAR score of 30 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 30 means the building performs better than about 30% of its national peers. BuildingCensus bands the score into report-card grades; 30 falls in band D — lowest band (1–54). It sits 45 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. 535 West 51st Street - 38173's 97.3 kBtu/ft² across 276,663 sq ft works out to about 26.9 billion Btu (7,889 MWh-equivalent) in 2024. Its source EUI of 130.6 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,320,618 kWh of electricity and 224,068 therms of natural gas for the year.
Which law requires 535 West 51st Street - 38173 to report its energy use?
535 West 51st Street - 38173 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:3110430:2024). 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
- 900 Grand Concourse· 276,550 sq ft · score 100 (A)
- 900 Grand Concourse· 276,550 sq ft · score 100 (A)
- Halstead - 165 East 72nd Street - PARENT· 276,360 sq ft · EUI 68.0 kBtu/ft²
- Hillman Housing - 500 Grand Street - CHILD· 276,322 sq ft · score 32 (D)
- WOODSON· 276,300 sq ft · score 5 (D)
- Lambert Houses - Boston Tremont - North· 276,135 sq ft · score 15 (D)
- 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 535 West 51st Street - 38173's energy grade?
535 West 51st Street - 38173 scores 30 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 535 West 51st Street - 38173 use?
Its 2024 site energy-use intensity was 97.3 kBtu/ft² (130.6 kBtu/ft² source) across 276,663 sq ft, including 1,320,618 kWh of electricity and 224,068 therms of natural gas.
What are 535 West 51st Street - 38173's carbon emissions?
535 West 51st Street - 38173 reported 1,709 tCO₂e of greenhouse-gas emissions (6.2 kgCO₂e/ft²) for 2024.
Where is 535 West 51st Street - 38173?
535 West 51st Street - 38173 is in New York City, New York 10019. Its coordinates are 40.76594, -73.99282 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 535 West 51st Street - 38173 and when was it built?
535 West 51st Street - 38173 has 276,663 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1981 as its year built. It is classed as multifamily housing.
Is 535 West 51st Street - 38173 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, “535 West 51st Street - 38173, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/535-west-51st-street-38173-e72f5cd6 (data as of October 2, 2026).