250 West 84 Street
Medical Office in New York City, NY · 10024
At a glance
250 West 84 Street is a 41,284-square-foot medical office in New York City, New York, built in 1932. In its 2023 New York City benchmarking disclosure it reported an ENERGY STAR score of 1 out of 100 (grade D), a site energy-use intensity of 210.6 kBtu/ft² and 801 tCO₂e of greenhouse-gas emissions. That score is higher than 0% of the 147 scored medical office buildings in New York City.
Local Law 84 (LL84) · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 1 (band D) |
| Site EUI | 210.6 kBtu/ft² |
| Source EUI | 479.4 kBtu/ft² |
| GHG emissions | 801 tCO₂e |
| GHG intensity | 19.4 kgCO₂e/ft² |
| Electricity | 1,785,581 kWh |
| Natural gas | 26,012 therms |
| Water use | 6,654 kgal |
| Gross floor area | 41,284 sq ft |
| Source record | nyc:14893384:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | 1 | -99 | 210.6 kBtu/ft² | 801 tCO₂e |
| 2022 | 100 | 7.5 kBtu/ft² | 26 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
- 250 West 84 Street
- City
- New York City
- State
- New York
- ZIP
- 10024
- Coordinates
- 40.78722, -73.97803
Within ~1 km
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How does 250 West 84 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. 250 West 84 Street's ENERGY STAR score of 1 compares with an average of 65 across the 147 that report a score; it scores higher than 0% of them and lower than 93%. Its site EUI of 210.6 kBtu/ft² is about twice 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 19.4 kgCO₂e/ft² is about 120% above the group average of 8.8 kgCO₂e/ft².
At 41,284 sq ft, it is about 45% below the average floor area of 75,019 sq ft for those buildings. It was built in 1932, 33 years earlier 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 250 West 84 Street's energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for 250 West 84 Street, covering report years 2022–2023. Its ENERGY STAR score went from 100 in 2022 to 1 in 2023 (-99 points); its best year on file was 2022, at 100. Site EUI moved from 7.5 kBtu/ft² (2022) to 210.6 kBtu/ft² (2023), an 2708% increase. Reported emissions went from 26 tCO₂e to 801 tCO₂e over the same span (up 2956%).
What does an ENERGY STAR score of 1 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: 1 is the bottom of the scale. BuildingCensus bands the score into report-card grades; 1 falls in band D — lowest band (1–54). It sits 74 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. 250 West 84 Street's 210.6 kBtu/ft² across 41,284 sq ft works out to about 8.7 billion Btu (2,548 MWh-equivalent) in 2023. Its source EUI of 479.4 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,785,581 kWh of electricity, 26,012 therms of natural gas and 6,654 thousand gallons of water for the year.
Which law requires 250 West 84 Street to report its energy use?
250 West 84 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 2023 disclosure (source record nyc:14893384:2023). 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
- 163-03 Horace Harding Expressway· 41,000 sq ft · score 50 (D)
- 2236 Nostrand Avenue· 40,582 sq ft · score 4 (D)
- Children's Aid - 910 E. 172nd St.· 40,000 sq ft · score 79 (B)
- COE Property Management:1976 CROTONA LLC· 38,899 sq ft · score 97 (A)
- 53-04 Roosevelt Ave· 38,646 sq ft
- Morris Heights Health Center· 38,000 sq ft · score 18 (D)
- 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 250 West 84 Street's energy grade?
250 West 84 Street scores 1 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2023 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 250 West 84 Street use?
Its 2023 site energy-use intensity was 210.6 kBtu/ft² (479.4 kBtu/ft² source) across 41,284 sq ft, including 1,785,581 kWh of electricity and 26,012 therms of natural gas.
What are 250 West 84 Street's carbon emissions?
250 West 84 Street reported 801 tCO₂e of greenhouse-gas emissions (19.4 kgCO₂e/ft²) for 2023.
Where is 250 West 84 Street?
250 West 84 Street is in New York City, New York 10024. Its coordinates are 40.78722, -73.97803 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 250 West 84 Street and when was it built?
250 West 84 Street has 41,284 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1932 as its year built. It is classed as medical office.
Is 250 West 84 Street covered by Local Law 84 (LL84)?
Yes — it appears in the 2023 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, “250 West 84 Street, New York City, New York — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/250-west-84-street-8aecf0de (data as of October 2, 2026).