933-939 Courtlandt
Mixed Use Property in New York City, NY · 933-939 Courtlandt Ave · 10451
At a glance
933-939 Courtlandt is a 34,808-square-foot mixed use property building at 933-939 Courtlandt Ave in New York City, New York, built in 1934. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 9.1 kBtu/ft² and 36 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 9.1 kBtu/ft² |
| Source EUI | 25.4 kBtu/ft² |
| GHG emissions | 36 tCO₂e |
| GHG intensity | 1.1 kgCO₂e/ft² |
| Electricity | 92,671 kWh |
| Natural gas | 0 therms |
| Gross floor area | 34,808 sq ft |
| Source record | nyc:25563050:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 9.1 kBtu/ft² | 36 tCO₂e | |
| 2023 | — | 7.5 kBtu/ft² | 28 tCO₂e | |
| 2022 | — | 14.3 kBtu/ft² | 38 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
- 933-939 Courtlandt Ave
- City
- New York City
- State
- New York
- ZIP
- 10451
- Coordinates
- 40.82562, -73.91412
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 933-939 Courtlandt compare with other mixed use property buildings in New York City?
The latest disclosures cover 395 mixed use property buildings in New York City, out of 48,310 buildings citywide. Its site EUI of 9.1 kBtu/ft² is about 90% below the average of 92.7 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 1.1 kgCO₂e/ft² is about 87% below the group average of 7.9 kgCO₂e/ft².
At 34,808 sq ft, it is about 85% below the average floor area of 224,815 sq ft for those buildings. It was built in 1934, 23 years earlier than the group's average year built (1958). Across all 24 jurisdictions BuildingCensus covers, the 1,212 mixed use property buildings average an ENERGY STAR score of 69 and a site EUI of 79.8 kBtu/ft².
How has 933-939 Courtlandt's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 933-939 Courtlandt, covering report years 2022–2024. Site EUI moved from 14.3 kBtu/ft² (2022) to 9.1 kBtu/ft² (2024), a 36% decrease. Reported emissions went from 38 tCO₂e to 36 tCO₂e over the same span (down 3%).
What does a site EUI of 9.1 kBtu/ft² mean?
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. 933-939 Courtlandt's 9.1 kBtu/ft² across 34,808 sq ft works out to about 0.3 billion Btu (93 MWh-equivalent) in 2024. Its source EUI of 25.4 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 92,671 kWh of electricity and 0 therms of natural gas for the year.
Which law requires 933-939 Courtlandt to report its energy use?
933-939 Courtlandt 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:25563050:2024). 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 mixed use property buildings in New York City
- St. Nicholas #1· 34,780 sq ft
- 168-42 Jamaica Avenue· 34,536 sq ft · EUI 65.7 kBtu/ft²
- 1627 Broadway· 34,520 sq ft · EUI 157.5 kBtu/ft²
- 655 Rossville Avenue· 34,349 sq ft · EUI 300.8 kBtu/ft²
- Microsoft MEC· 34,182 sq ft · EUI 167.4 kBtu/ft²
- 211-11 Northern Blvd· 34,050 sq ft · EUI 64.2 kBtu/ft²
- Mixed Use Property buildings in New York City· 395 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 933-939 Courtlandt's energy grade?
933-939 Courtlandt did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 9.1 kBtu/ft².
How much energy does 933-939 Courtlandt use?
Its 2024 site energy-use intensity was 9.1 kBtu/ft² (25.4 kBtu/ft² source) across 34,808 sq ft, including 92,671 kWh of electricity and 0 therms of natural gas.
What are 933-939 Courtlandt's carbon emissions?
933-939 Courtlandt reported 36 tCO₂e of greenhouse-gas emissions (1.1 kgCO₂e/ft²) for 2024.
Where is 933-939 Courtlandt?
933-939 Courtlandt is at 933-939 Courtlandt Ave, in New York City, New York 10451. Its coordinates are 40.82562, -73.91412 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 933-939 Courtlandt and when was it built?
933-939 Courtlandt has 34,808 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1934 as its year built. It is classed as mixed use property.
Is 933-939 Courtlandt 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, “933-939 Courtlandt, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/933-939-courtlandt-0415dd9f (data as of October 2, 2026).