515 Broadway
Multifamily Housing in New York City, NY · 84 Mercer Street · 10012
At a glance
515 Broadway is a 125,590-square-foot multifamily housing building at 84 Mercer Street in New York City, New York, built in 1985. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 63.0 kBtu/ft² and 767 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 63.0 kBtu/ft² |
| Source EUI | 126.9 kBtu/ft² |
| GHG emissions | 767 tCO₂e |
| GHG intensity | 6.1 kgCO₂e/ft² |
| Electricity | 1,301,280 kWh |
| Natural gas | 543 therms |
| Water use | 1,502 kgal |
| Gross floor area | 125,590 sq ft |
| Source record | nyc:4401428:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 63.0 kBtu/ft² | 767 tCO₂e | |
| 2023 | — | 66.7 kBtu/ft² | 771 tCO₂e | |
| 2022 | — | 73.4 kBtu/ft² | 736 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
- 84 Mercer Street
- City
- New York City
- State
- New York
- ZIP
- 10012
- Coordinates
- 40.72284, -74.00009
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 515 Broadway 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 63.0 kBtu/ft² is about 16% 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 6.1 kgCO₂e/ft² is about 18% above the group average of 5.2 kgCO₂e/ft².
At 125,590 sq ft, it is about 24% above the average floor area of 100,951 sq ft for those buildings. It was built in 1985, 33 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 515 Broadway's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 515 Broadway, covering report years 2022–2024. Site EUI moved from 73.4 kBtu/ft² (2022) to 63.0 kBtu/ft² (2024), a 14% decrease. Reported emissions went from 736 tCO₂e to 767 tCO₂e over the same span (up 4%).
What does a site EUI of 63.0 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. 515 Broadway's 63.0 kBtu/ft² across 125,590 sq ft works out to about 7.9 billion Btu (2,319 MWh-equivalent) in 2024. Its source EUI of 126.9 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,301,280 kWh of electricity, 543 therms of natural gas and 1,502 thousand gallons of water for the year.
Which law requires 515 Broadway to report its energy use?
515 Broadway 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:4401428:2024). 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
- 1544 Shakespeare Ave· 125,574 sq ft · score 100 (A)
- Highbridge - 1544 Shakespeare ave· 125,574 sq ft · score 100 (A)
- Berkley Owners Corp· 125,565 sq ft · score 98 (A)
- 84-70 129th St Owners Corp· 125,512 sq ft · score 83 (B)
- Fisher: 35-43 84 St· 125,505 sq ft · score 32 (D)
- Randolph Phase 1B· 125,478 sq ft · score 78 (B)
- 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 515 Broadway's energy grade?
515 Broadway did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 63.0 kBtu/ft².
How much energy does 515 Broadway use?
Its 2024 site energy-use intensity was 63.0 kBtu/ft² (126.9 kBtu/ft² source) across 125,590 sq ft, including 1,301,280 kWh of electricity and 543 therms of natural gas.
What are 515 Broadway's carbon emissions?
515 Broadway reported 767 tCO₂e of greenhouse-gas emissions (6.1 kgCO₂e/ft²) for 2024.
Where is 515 Broadway?
515 Broadway is at 84 Mercer Street, in New York City, New York 10012. Its coordinates are 40.72284, -74.00009 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 515 Broadway and when was it built?
515 Broadway has 125,590 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1985 as its year built. It is classed as multifamily housing.
Is 515 Broadway 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, “515 Broadway, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/515-broadway-c37230aa (data as of October 2, 2026).