H+H_4318_Kings County Hospital: Buildings A, B, C
Hospital (General Medical & Surgical) in New York City, NY · 451 Clarkson Ave · 11203
At a glance
H+H_4318_Kings County Hospital: Buildings A, B, C is a 658,920-square-foot hospital (general medical & surgical) at 451 Clarkson Ave in New York City, New York, built in 1930. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 2 out of 100 (grade D), a site energy-use intensity of 854.8 kBtu/ft² and 30,242 tCO₂e of greenhouse-gas emissions. That score is higher than 9% of the 113 scored hospital (general medical & surgical) buildings in New York City.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 2 (band D) |
| Site EUI | 854.8 kBtu/ft² |
| Source EUI | 911.5 kBtu/ft² |
| GHG emissions | 30,242 tCO₂e |
| GHG intensity | 45.9 kgCO₂e/ft² |
| Electricity | 1,547,777 kWh |
| Natural gas | 5,579,401 therms |
| Gross floor area | 658,920 sq ft |
| Source record | nyc:21354537:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 2 | ±0 | 854.8 kBtu/ft² | 30,242 tCO₂e |
| 2023 | 2 | +1 | 837.5 kBtu/ft² | 29,594 tCO₂e |
| 2022 | 1 | 925.2 kBtu/ft² | 32,508 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
- 451 Clarkson Ave
- City
- New York City
- State
- New York
- ZIP
- 11203
- Coordinates
- 40.65576, -73.94460
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does H+H_4318_Kings County Hospital: Buildings A, B, C compare with other hospital (general medical & surgical) buildings in New York City?
The latest disclosures cover 226 hospital (general medical & surgical) buildings in New York City, out of 48,310 buildings citywide. H+H_4318_Kings County Hospital: Buildings A, B, C's ENERGY STAR score of 2 compares with an average of 61 across the 113 that report a score; it scores higher than 9% of them and lower than 88%. Its site EUI of 854.8 kBtu/ft² is about 244% above the average of 248.6 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 45.9 kgCO₂e/ft² is about 143% above the group average of 18.9 kgCO₂e/ft².
At 658,920 sq ft, it is about 46% above the average floor area of 450,487 sq ft for those buildings. It was built in 1930, 22 years earlier than the group's average year built (1952). Across all 24 jurisdictions BuildingCensus covers, the 748 hospital (general medical & surgical) buildings average an ENERGY STAR score of 59 and a site EUI of 238.7 kBtu/ft².
How has H+H_4318_Kings County Hospital: Buildings A, B, C's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for H+H_4318_Kings County Hospital: Buildings A, B, C, covering report years 2022–2024. Its ENERGY STAR score went from 1 in 2022 to 2 in 2024 (+1 points); its best year on file was 2023, at 2. Site EUI moved from 925.2 kBtu/ft² (2022) to 854.8 kBtu/ft² (2024), a 8% decrease. Reported emissions went from 32,508 tCO₂e to 30,242 tCO₂e over the same span (down 7%).
What does an ENERGY STAR score of 2 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 2 means the building performs better than about 2% of its national peers. BuildingCensus bands the score into report-card grades; 2 falls in band D — lowest band (1–54). It sits 73 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. H+H_4318_Kings County Hospital: Buildings A, B, C's 854.8 kBtu/ft² across 658,920 sq ft works out to about 563.2 billion Btu (165,071 MWh-equivalent) in 2024. Its source EUI of 911.5 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,547,777 kWh of electricity and 5,579,401 therms of natural gas for the year.
Which law requires H+H_4318_Kings County Hospital: Buildings A, B, C to report its energy use?
H+H_4318_Kings County Hospital: Buildings A, B, C 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:21354537:2024). 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 hospital (general medical & surgical) buildings in New York City
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- H+H_9692_Metropolitan Hospital: Main Building· 624,712 sq ft · score 42 (D)
- 1000 Tenth Ave. West Building· 600,397 sq ft
- Kingsbrook Jewish Medical Center P· 585,550 sq ft · score 100 (A)
- Hospital Campus· 575,228 sq ft · score 58 (C)
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- All New York City benchmarked buildings· Local Law 84 (LL84)
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Frequently asked questions
What is H+H_4318_Kings County Hospital: Buildings A, B, C's energy grade?
H+H_4318_Kings County Hospital: Buildings A, B, C scores 2 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 H+H_4318_Kings County Hospital: Buildings A, B, C use?
Its 2024 site energy-use intensity was 854.8 kBtu/ft² (911.5 kBtu/ft² source) across 658,920 sq ft, including 1,547,777 kWh of electricity and 5,579,401 therms of natural gas.
What are H+H_4318_Kings County Hospital: Buildings A, B, C's carbon emissions?
H+H_4318_Kings County Hospital: Buildings A, B, C reported 30,242 tCO₂e of greenhouse-gas emissions (45.9 kgCO₂e/ft²) for 2024.
Where is H+H_4318_Kings County Hospital: Buildings A, B, C?
H+H_4318_Kings County Hospital: Buildings A, B, C is at 451 Clarkson Ave, in New York City, New York 11203. Its coordinates are 40.65576, -73.94460 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is H+H_4318_Kings County Hospital: Buildings A, B, C and when was it built?
H+H_4318_Kings County Hospital: Buildings A, B, C has 658,920 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1930 as its year built. It is classed as hospital (general medical & surgical).
Is H+H_4318_Kings County Hospital: Buildings A, B, C 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, “H+H_4318_Kings County Hospital: Buildings A, B, C, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/h-h-4318-kings-county-hospital-buildings-a-b-c-d69f0c6b (data as of October 2, 2026).