438 WEST 51 STREET
Medical Office in New York City, NY · 10019
At a glance
438 WEST 51 STREET is a 27,909-square-foot medical office in New York City, New York, built in 2016. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 46 out of 100 (grade D), a site energy-use intensity of 109.2 kBtu/ft² and 351 tCO₂e of greenhouse-gas emissions. That score is higher than 26% of the 147 scored medical office buildings in New York City.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 46 (band D) |
| Site EUI | 109.2 kBtu/ft² |
| Source EUI | 305.8 kBtu/ft² |
| GHG emissions | 351 tCO₂e |
| GHG intensity | 12.6 kgCO₂e/ft² |
| Electricity | 893,275 kWh |
| Natural gas | 0 therms |
| Water use | 499 kgal |
| Gross floor area | 27,909 sq ft |
| Source record | nyc:19483342:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 46 | -10 | 109.2 kBtu/ft² | 351 tCO₂e |
| 2023 | 56 | +1 | 100.2 kBtu/ft² | 304 tCO₂e |
| 2022 | 55 | 105.2 kBtu/ft² | 245 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
- 438 WEST 51 STREET
- City
- New York City
- State
- New York
- ZIP
- 10019
- Coordinates
- 40.76461, -73.98970
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 438 WEST 51 STREET compare with other medical office buildings in New York City?
The latest disclosures cover 188 medical office buildings in New York City, out of 48,310 buildings citywide. 438 WEST 51 STREET's ENERGY STAR score of 46 compares with an average of 65 across the 147 that report a score; it scores higher than 26% of them and lower than 72%. Its site EUI of 109.2 kBtu/ft² is about 12% above the average of 97.6 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 12.6 kgCO₂e/ft² is about 43% above the group average of 8.8 kgCO₂e/ft².
At 27,909 sq ft, it is about 63% below the average floor area of 75,019 sq ft for those buildings. It was built in 2016, 51 years later than the group's average year built (1965). Across all 24 jurisdictions BuildingCensus covers, the 1,266 medical office buildings average an ENERGY STAR score of 64 and a site EUI of 92.2 kBtu/ft².
How has 438 WEST 51 STREET's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 438 WEST 51 STREET, covering report years 2022–2024. Its ENERGY STAR score went from 55 in 2022 to 46 in 2024 (-9 points); its best year on file was 2023, at 56. Site EUI moved from 105.2 kBtu/ft² (2022) to 109.2 kBtu/ft² (2024), an 4% increase. Reported emissions went from 245 tCO₂e to 351 tCO₂e over the same span (up 43%).
What does an ENERGY STAR score of 46 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 46 means the building performs better than about 46% of its national peers. BuildingCensus bands the score into report-card grades; 46 falls in band D — lowest band (1–54). It sits 29 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. 438 WEST 51 STREET's 109.2 kBtu/ft² across 27,909 sq ft works out to about 3 billion Btu (893 MWh-equivalent) in 2024. Its source EUI of 305.8 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 893,275 kWh of electricity, 0 therms of natural gas and 499 thousand gallons of water for the year.
Which law requires 438 WEST 51 STREET to report its energy use?
438 WEST 51 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:19483342:2024). 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 medical office buildings in New York City
- Emblem - Flatbush Center· 27,612 sq ft · score 91 (A)
- Canal Holdings LLC· 27,109 sq ft · score 12 (D)
- 1733 Eastchester Road· 27,100 sq ft
- 951 BROOK AVENUE· 27,088 sq ft · score 51 (D)
- 170 East 210 Street· 27,010 sq ft · score 100 (A)
- Administration Office· 27,000 sq ft · score 65 (C)
- Medical Office buildings in New York City· 188 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 438 WEST 51 STREET's energy grade?
438 WEST 51 STREET scores 46 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 438 WEST 51 STREET use?
Its 2024 site energy-use intensity was 109.2 kBtu/ft² (305.8 kBtu/ft² source) across 27,909 sq ft, including 893,275 kWh of electricity and 0 therms of natural gas.
What are 438 WEST 51 STREET's carbon emissions?
438 WEST 51 STREET reported 351 tCO₂e of greenhouse-gas emissions (12.6 kgCO₂e/ft²) for 2024.
Where is 438 WEST 51 STREET?
438 WEST 51 STREET is in New York City, New York 10019. Its coordinates are 40.76461, -73.98970 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 438 WEST 51 STREET and when was it built?
438 WEST 51 STREET has 27,909 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2016 as its year built. It is classed as medical office.
Is 438 WEST 51 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, “438 WEST 51 STREET, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/438-west-51-street-ead383a0 (data as of October 2, 2026).