CSB Lessee LLC - 362 East 148th St
Medical Office in New York City, NY · 362 COURTLANDT AVENUE · 10455
At a glance
CSB Lessee LLC - 362 East 148th St is a 82,637-square-foot medical office at 362 COURTLANDT AVENUE in New York City, New York, built in 2020. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 100 out of 100 (grade A), a site energy-use intensity of 8.3 kBtu/ft² and 79 tCO₂e of greenhouse-gas emissions. That score is higher than 87% 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 | 100 (band A) |
| Site EUI | 8.3 kBtu/ft² |
| Source EUI | 23.3 kBtu/ft² |
| GHG emissions | 79 tCO₂e |
| GHG intensity | 1.0 kgCO₂e/ft² |
| Electricity | 201,848 kWh |
| Natural gas | 0 therms |
| Gross floor area | 82,637 sq ft |
| Source record | nyc:28482544:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 100 | ±0 | 8.3 kBtu/ft² | 79 tCO₂e |
| 2023 | 100 | ±0 | 3.7 kBtu/ft² | 33 tCO₂e |
| 2022 | 100 | 6.1 kBtu/ft² | 42 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
- 362 COURTLANDT AVENUE
- City
- New York City
- State
- New York
- ZIP
- 10455
- Coordinates
- 40.81569, -73.91923
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does CSB Lessee LLC - 362 East 148th St 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. CSB Lessee LLC - 362 East 148th St's ENERGY STAR score of 100 compares with an average of 65 across the 147 that report a score; it scores higher than 87% of them. Its site EUI of 8.3 kBtu/ft² is about 91% below the average of 97.6 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 1.0 kgCO₂e/ft² is about 89% below the group average of 8.8 kgCO₂e/ft².
At 82,637 sq ft, it is about 10% above the average floor area of 75,019 sq ft for those buildings. It was built in 2020, 55 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 CSB Lessee LLC - 362 East 148th St's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for CSB Lessee LLC - 362 East 148th St, covering report years 2022–2024. Its ENERGY STAR score was 100 in both 2022 and 2024. Site EUI moved from 6.1 kBtu/ft² (2022) to 8.3 kBtu/ft² (2024), an 36% increase. Reported emissions went from 42 tCO₂e to 79 tCO₂e over the same span (up 87%).
What does an ENERGY STAR score of 100 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: 100 is the top of the scale. BuildingCensus bands the score into report-card grades; 100 falls in band A — high performer (85–100). Scores of 75 or higher meet the threshold for ENERGY STAR certification; certification itself is a separate, verified application that the disclosure does not record. 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. CSB Lessee LLC - 362 East 148th St's 8.3 kBtu/ft² across 82,637 sq ft works out to about 0.7 billion Btu (201 MWh-equivalent) in 2024. Its source EUI of 23.3 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 201,848 kWh of electricity and 0 therms of natural gas for the year.
Which law requires CSB Lessee LLC - 362 East 148th St to report its energy use?
CSB Lessee LLC - 362 East 148th St 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:28482544:2024). 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
- KND: 2300 Westchester Avenue· 82,340 sq ft · score 27 (D)
- 1685 EASTCHESTER ROAD - 2044222· 80,670 sq ft
- HSS - Caspary Research Center (Pavilion)· 79,234 sq ft · score 1 (D)
- 1695 Eastchester Rd· 79,098 sq ft · score 55 (C)
- 21 Audubon Avenue· 77,500 sq ft · score 72 (B)
- Queens Family Medical Center· 75,000 sq ft
- 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 CSB Lessee LLC - 362 East 148th St's energy grade?
CSB Lessee LLC - 362 East 148th St scores 100 out of 100 on ENERGY STAR — band A, high performer (85–100) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does CSB Lessee LLC - 362 East 148th St use?
Its 2024 site energy-use intensity was 8.3 kBtu/ft² (23.3 kBtu/ft² source) across 82,637 sq ft, including 201,848 kWh of electricity and 0 therms of natural gas.
What are CSB Lessee LLC - 362 East 148th St's carbon emissions?
CSB Lessee LLC - 362 East 148th St reported 79 tCO₂e of greenhouse-gas emissions (1.0 kgCO₂e/ft²) for 2024.
Where is CSB Lessee LLC - 362 East 148th St?
CSB Lessee LLC - 362 East 148th St is at 362 COURTLANDT AVENUE, in New York City, New York 10455. Its coordinates are 40.81569, -73.91923 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is CSB Lessee LLC - 362 East 148th St and when was it built?
CSB Lessee LLC - 362 East 148th St has 82,637 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2020 as its year built. It is classed as medical office.
Is CSB Lessee LLC - 362 East 148th St 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, “CSB Lessee LLC - 362 East 148th St, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/csb-lessee-llc-362-east-148th-st-0b58b6e4 (data as of October 2, 2026).