Dawning: 155 Bay St
Multifamily Housing in New York City, NY · 155 Bay St · 10301
At a glance
Dawning: 155 Bay St is a 97,488-square-foot multifamily housing building in New York City, New York, built in 2005. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 11.5 kBtu/ft² and 129 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 11.5 kBtu/ft² |
| Source EUI | 32.2 kBtu/ft² |
| GHG emissions | 129 tCO₂e |
| GHG intensity | 1.3 kgCO₂e/ft² |
| Electricity | 328,256 kWh |
| Water use | 3,573 kgal |
| Gross floor area | 97,488 sq ft |
| Source record | nyc:4201259:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 11.5 kBtu/ft² | 129 tCO₂e | |
| 2023 | — | 103.7 kBtu/ft² | 1,100 tCO₂e | |
| 2022 | 61 | 38.9 kBtu/ft² | 320 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
- 155 Bay St
- City
- New York City
- State
- New York
- ZIP
- 10301
- Coordinates
- 40.63821, -74.07588
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does Dawning: 155 Bay St 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 11.5 kBtu/ft² is about 85% 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 1.3 kgCO₂e/ft² is about 75% below the group average of 5.2 kgCO₂e/ft².
At 97,488 sq ft, it is roughly in line with the average floor area of 100,951 sq ft for those buildings. It was built in 2005, 53 years later 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 Dawning: 155 Bay St's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for Dawning: 155 Bay St, covering report years 2022–2024. Site EUI moved from 38.9 kBtu/ft² (2022) to 11.5 kBtu/ft² (2024), a 70% decrease. Reported emissions went from 320 tCO₂e to 129 tCO₂e over the same span (down 60%).
What does a site EUI of 11.5 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. Dawning: 155 Bay St's 11.5 kBtu/ft² across 97,488 sq ft works out to about 1.1 billion Btu (329 MWh-equivalent) in 2024. Its source EUI of 32.2 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 328,256 kWh of electricity and 3,573 thousand gallons of water for the year.
Which law requires Dawning: 155 Bay St to report its energy use?
Dawning: 155 Bay 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:4201259:2024). 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.
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- Multifamily Housing buildings in New York City· 33,022 benchmarked
- All New York City benchmarked buildings· Local Law 84 (LL84)
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Frequently asked questions
What is Dawning: 155 Bay St's energy grade?
Dawning: 155 Bay St did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 11.5 kBtu/ft².
How much energy does Dawning: 155 Bay St use?
Its 2024 site energy-use intensity was 11.5 kBtu/ft² (32.2 kBtu/ft² source) across 97,488 sq ft, including 328,256 kWh of electricity.
What are Dawning: 155 Bay St's carbon emissions?
Dawning: 155 Bay St reported 129 tCO₂e of greenhouse-gas emissions (1.3 kgCO₂e/ft²) for 2024.
Where is Dawning: 155 Bay St?
Dawning: 155 Bay St is in New York City, New York 10301. Its coordinates are 40.63821, -74.07588 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Dawning: 155 Bay St and when was it built?
Dawning: 155 Bay St has 97,488 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2005 as its year built. It is classed as multifamily housing.
Is Dawning: 155 Bay 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, “Dawning: 155 Bay St, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/dawning-155-bay-st-04ed12d6 (data as of October 2, 2026).