BHC - 121 DeKalb Avenue
Hospital (General Medical & Surgical) in New York City, NY · 121 DEKALB AVENUE · 11201
At a glance
BHC - 121 DeKalb Avenue is a 335,000-square-foot hospital (general medical & surgical) at 121 DEKALB AVENUE in New York City, New York, built in 1983. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 27 out of 100 (grade D), a site energy-use intensity of 404.7 kBtu/ft² and 10,968 tCO₂e of greenhouse-gas emissions. That score is higher than 25% 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 | 27 (band D) |
| Site EUI | 404.7 kBtu/ft² |
| Source EUI | 662.4 kBtu/ft² |
| GHG emissions | 10,968 tCO₂e |
| GHG intensity | 32.7 kgCO₂e/ft² |
| Electricity | 13,608,986 kWh |
| Natural gas | 469,236 therms |
| Water use | 44,454 kgal |
| Gross floor area | 335,000 sq ft |
| Source record | nyc:2869789:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 27 | -15 | 404.7 kBtu/ft² | 10,968 tCO₂e |
| 2023 | 42 | -17 | 352.9 kBtu/ft² | 9,095 tCO₂e |
| 2022 | 59 | 292.3 kBtu/ft² | 6,912 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
- 121 DEKALB AVENUE
- City
- New York City
- State
- New York
- ZIP
- 11201
- Coordinates
- 40.68980, -73.97759
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does BHC - 121 DeKalb Avenue 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. BHC - 121 DeKalb Avenue's ENERGY STAR score of 27 compares with an average of 61 across the 113 that report a score; it scores higher than 25% of them and lower than 73%. Its site EUI of 404.7 kBtu/ft² is about 63% 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 32.7 kgCO₂e/ft² is about 73% above the group average of 18.9 kgCO₂e/ft².
At 335,000 sq ft, it is about 26% below the average floor area of 450,487 sq ft for those buildings. It was built in 1983, 31 years later 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 BHC - 121 DeKalb Avenue's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for BHC - 121 DeKalb Avenue, covering report years 2022–2024. Its ENERGY STAR score went from 59 in 2022 to 27 in 2024 (-32 points); its best year on file was 2022, at 59. Site EUI moved from 292.3 kBtu/ft² (2022) to 404.7 kBtu/ft² (2024), an 38% increase. Reported emissions went from 6,912 tCO₂e to 10,968 tCO₂e over the same span (up 59%).
What does an ENERGY STAR score of 27 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 27 means the building performs better than about 27% of its national peers. BuildingCensus bands the score into report-card grades; 27 falls in band D — lowest band (1–54). It sits 48 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. BHC - 121 DeKalb Avenue's 404.7 kBtu/ft² across 335,000 sq ft works out to about 135.6 billion Btu (39,733 MWh-equivalent) in 2024. Its source EUI of 662.4 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 13,608,986 kWh of electricity, 469,236 therms of natural gas and 44,454 thousand gallons of water for the year.
Which law requires BHC - 121 DeKalb Avenue to report its energy use?
BHC - 121 DeKalb Avenue 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:2869789:2024). 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
- 3400 Cannon Place Llc,3400-3426 CANNON PLACE· 330,000 sq ft · score 100 (A)
- H+H_9208_Kings County Hospital: Building R· 315,586 sq ft
- The Allen Hospital· 309,145 sq ft · score 54 (D)
- 530 1st Ave· 291,175 sq ft
- H+H_10307_Metropolitan Hospital: Mental Health Building· 284,582 sq ft
- St. John's Episcopal Hospital· 280,432 sq ft · score 56 (C)
- Hospital (General Medical & Surgical) buildings in New York City· 226 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 BHC - 121 DeKalb Avenue's energy grade?
BHC - 121 DeKalb Avenue scores 27 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 BHC - 121 DeKalb Avenue use?
Its 2024 site energy-use intensity was 404.7 kBtu/ft² (662.4 kBtu/ft² source) across 335,000 sq ft, including 13,608,986 kWh of electricity and 469,236 therms of natural gas.
What are BHC - 121 DeKalb Avenue's carbon emissions?
BHC - 121 DeKalb Avenue reported 10,968 tCO₂e of greenhouse-gas emissions (32.7 kgCO₂e/ft²) for 2024.
Where is BHC - 121 DeKalb Avenue?
BHC - 121 DeKalb Avenue is at 121 DEKALB AVENUE, in New York City, New York 11201. Its coordinates are 40.68980, -73.97759 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is BHC - 121 DeKalb Avenue and when was it built?
BHC - 121 DeKalb Avenue has 335,000 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1983 as its year built. It is classed as hospital (general medical & surgical).
Is BHC - 121 DeKalb Avenue 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, “BHC - 121 DeKalb Avenue, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/bhc-121-dekalb-avenue-8be81f7f (data as of October 2, 2026).