Clock Tower Condominium
Multifamily Housing in New York City, NY · 1 Main Street · 11201
At a glance
Clock Tower Condominium is a 296,861-square-foot multifamily housing building at 1 Main Street in New York City, New York, built in 1915. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 53.8 kBtu/ft² and 1,276 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 53.8 kBtu/ft² |
| Source EUI | 97.2 kBtu/ft² |
| GHG emissions | 1,276 tCO₂e |
| GHG intensity | 4.3 kgCO₂e/ft² |
| Electricity | 2,025,706 kWh |
| Natural gas | 90,566 therms |
| Gross floor area | 296,861 sq ft |
| Source record | nyc:33966448:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 53.8 kBtu/ft² | 1,276 tCO₂e | |
| 2023 | 28 | 61.5 kBtu/ft² | 1,165 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
- 1 Main Street
- City
- New York City
- State
- New York
- ZIP
- 11201
- Coordinates
- 40.70381, -73.99065
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does Clock Tower Condominium compare with other multifamily housing buildings in New York City?
The latest disclosures cover 33,022 multifamily housing buildings in New York City, out of 48,310 buildings citywide. Its site EUI of 53.8 kBtu/ft² is about 28% below the average of 74.9 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 4.3 kgCO₂e/ft² is about 17% below the group average of 5.2 kgCO₂e/ft².
At 296,861 sq ft, it is about 194% above the average floor area of 100,951 sq ft for those buildings. It was built in 1915, 37 years earlier than the group's average year built (1952). Across all 24 jurisdictions BuildingCensus covers, the 59,945 multifamily housing buildings average an ENERGY STAR score of 70 and a site EUI of 59.0 kBtu/ft².
How has Clock Tower Condominium's energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for Clock Tower Condominium, covering report years 2023–2024. Site EUI moved from 61.5 kBtu/ft² (2023) to 53.8 kBtu/ft² (2024), a 13% decrease. Reported emissions went from 1,165 tCO₂e to 1,276 tCO₂e over the same span (up 10%).
What does a site EUI of 53.8 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. Clock Tower Condominium's 53.8 kBtu/ft² across 296,861 sq ft works out to about 16 billion Btu (4,681 MWh-equivalent) in 2024. Its source EUI of 97.2 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 2,025,706 kWh of electricity and 90,566 therms of natural gas for the year.
Which law requires Clock Tower Condominium to report its energy use?
Clock Tower Condominium 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:33966448:2024). 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 multifamily housing buildings in New York City
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- Multifamily Housing buildings in New York City· 33,022 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 Clock Tower Condominium's energy grade?
Clock Tower Condominium did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 53.8 kBtu/ft².
How much energy does Clock Tower Condominium use?
Its 2024 site energy-use intensity was 53.8 kBtu/ft² (97.2 kBtu/ft² source) across 296,861 sq ft, including 2,025,706 kWh of electricity and 90,566 therms of natural gas.
What are Clock Tower Condominium's carbon emissions?
Clock Tower Condominium reported 1,276 tCO₂e of greenhouse-gas emissions (4.3 kgCO₂e/ft²) for 2024.
Where is Clock Tower Condominium?
Clock Tower Condominium is at 1 Main Street, in New York City, New York 11201. Its coordinates are 40.70381, -73.99065 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Clock Tower Condominium and when was it built?
Clock Tower Condominium has 296,861 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1915 as its year built. It is classed as multifamily housing.
Is Clock Tower Condominium 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, “Clock Tower Condominium, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/clock-tower-condominium-6d436e2d (data as of October 2, 2026).