3 Bryant Park (100 WEST 42 STREET)
Office in New York City, NY · 100 WEST 42 STREET · 10036
At a glance
3 Bryant Park (100 WEST 42 STREET) is a 1,278,051-square-foot office building in New York City, New York, built in 1972. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 117.8 kBtu/ft² and 15,304 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 117.8 kBtu/ft² |
| Source EUI | 278.7 kBtu/ft² |
| GHG emissions | 15,304 tCO₂e |
| GHG intensity | 12.0 kgCO₂e/ft² |
| Electricity | 32,235,524 kWh |
| Natural gas | 35,826 therms |
| Gross floor area | 1,278,051 sq ft |
| Source record | nyc:4624800:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 117.8 kBtu/ft² | 15,304 tCO₂e | |
| 2023 | 23 | 116.9 kBtu/ft² | 13,881 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.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 100 WEST 42 STREET
- City
- New York City
- State
- New York
- ZIP
- 10036
- Coordinates
- 40.75498, -73.98447
Within ~1 km
Nearby benchmarked buildings
Office · 8,053,115 sq ft
- Metlife Building (200 Park)score 69
Office · 2,993,388 sq ft
Office · 2,862,565 sq ft
- ESRT - Empire State Buildingscore 78
Office · 2,852,257 sq ft
- 1633 Broadway - Paramount Plazascore 75
Office · 2,837,932 sq ft
- 1221 Avenue of the Americasscore 86
Office · 2,636,182 sq ft
See also: most efficient in New York City · biggest emitters
How does 3 Bryant Park (100 WEST 42 STREET) compare with other office buildings in New York City?
The latest disclosures cover 3,384 office buildings in New York City, out of 48,310 buildings citywide. Its site EUI of 117.8 kBtu/ft² is about 83% above the average of 64.5 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 12.0 kgCO₂e/ft² is about twice the group average of 5.8 kgCO₂e/ft².
At 1,278,051 sq ft, it is about 522% above the average floor area of 205,440 sq ft for those buildings. It was built in 1972, 32 years later than the group's average year built (1940). Across all 24 jurisdictions BuildingCensus covers, the 15,264 office buildings average an ENERGY STAR score of 73 and a site EUI of 59.3 kBtu/ft².
How has 3 Bryant Park (100 WEST 42 STREET)'s energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for 3 Bryant Park (100 WEST 42 STREET), covering report years 2023–2024. Site EUI moved from 116.9 kBtu/ft² (2023) to 117.8 kBtu/ft² (2024), an 1% increase. Reported emissions went from 13,881 tCO₂e to 15,304 tCO₂e over the same span (up 10%).
What does a site EUI of 117.8 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. 3 Bryant Park (100 WEST 42 STREET)'s 117.8 kBtu/ft² across 1,278,051 sq ft works out to about 150.6 billion Btu (44,123 MWh-equivalent) in 2024. Its source EUI of 278.7 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 32,235,524 kWh of electricity and 35,826 therms of natural gas for the year.
Which law requires 3 Bryant Park (100 WEST 42 STREET) to report its energy use?
3 Bryant Park (100 WEST 42 STREET) 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:4624800:2024). 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 office buildings in New York City
- 500-512 Seventh Ave· 1,275,808 sq ft · EUI 63.7 kBtu/ft²
- 140 Broadway· 1,272,119 sq ft · score 44 (D)
- 277 Park Ave - 5219460802· 1,270,270 sq ft · score 14 (D)
- 909 Third Avenue· 1,261,897 sq ft · score 93 (A)
- 3 Bryant Park - Main· 1,258,370 sq ft
- ConEd Irving Place· 1,255,204 sq ft · score 55 (C)
- Office buildings in New York City· 3,384 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 3 Bryant Park (100 WEST 42 STREET)'s energy grade?
3 Bryant Park (100 WEST 42 STREET) did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 117.8 kBtu/ft².
How much energy does 3 Bryant Park (100 WEST 42 STREET) use?
Its 2024 site energy-use intensity was 117.8 kBtu/ft² (278.7 kBtu/ft² source) across 1,278,051 sq ft, including 32,235,524 kWh of electricity and 35,826 therms of natural gas.
What are 3 Bryant Park (100 WEST 42 STREET)'s carbon emissions?
3 Bryant Park (100 WEST 42 STREET) reported 15,304 tCO₂e of greenhouse-gas emissions (12.0 kgCO₂e/ft²) for 2024.
Where is 3 Bryant Park (100 WEST 42 STREET)?
3 Bryant Park (100 WEST 42 STREET) is in New York City, New York 10036. Its coordinates are 40.75498, -73.98447 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 3 Bryant Park (100 WEST 42 STREET) and when was it built?
3 Bryant Park (100 WEST 42 STREET) has 1,278,051 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1972 as its year built. It is classed as office.
Is 3 Bryant Park (100 WEST 42 STREET) 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).
Working with New York City building benchmarking records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “3 Bryant Park (100 WEST 42 STREET), New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/3-bryant-park-100-west-42-street-ec8c563f (data as of October 2, 2026).