100 Congress Street
Multifamily Housing in New York City, NY · 86 Congress Street · 11201
At a glance
100 Congress Street is a 48,864-square-foot multifamily housing building at 86 Congress Street in New York City, New York, built in 2009. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 82 out of 100 (grade B), a site energy-use intensity of 51.1 kBtu/ft² and 199 tCO₂e of greenhouse-gas emissions. That score is higher than 66% of the 22,829 scored multifamily housing buildings in New York City.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 82 (band B) |
| Site EUI | 51.1 kBtu/ft² |
| Source EUI | 92.2 kBtu/ft² |
| GHG emissions | 199 tCO₂e |
| GHG intensity | 4.1 kgCO₂e/ft² |
| Electricity | 315,865 kWh |
| Natural gas | 14,172 therms |
| Water use | 1,834 kgal |
| Gross floor area | 48,864 sq ft |
| Source record | nyc:26562676:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 82 | +38 | 51.1 kBtu/ft² | 199 tCO₂e |
| 2023 | 44 | -43 | 69.1 kBtu/ft² | 192 tCO₂e |
| 2022 | 87 | 33.4 kBtu/ft² | 102 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
- 86 Congress Street
- City
- New York City
- State
- New York
- ZIP
- 11201
- Coordinates
- 40.68942, -73.99967
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 100 Congress Street 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. 100 Congress Street's ENERGY STAR score of 82 compares with an average of 63 across the 22,829 that report a score; it scores higher than 66% of them and lower than 33%. Its site EUI of 51.1 kBtu/ft² is about 32% 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 4.1 kgCO₂e/ft² is about 22% below the group average of 5.2 kgCO₂e/ft².
At 48,864 sq ft, it is about half of the average floor area of 100,951 sq ft for those buildings. It was built in 2009, 57 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 100 Congress Street's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 100 Congress Street, covering report years 2022–2024. Its ENERGY STAR score went from 87 in 2022 to 82 in 2024 (-5 points); its best year on file was 2022, at 87. Site EUI moved from 33.4 kBtu/ft² (2022) to 51.1 kBtu/ft² (2024), an 53% increase. Reported emissions went from 102 tCO₂e to 199 tCO₂e over the same span (up 95%).
What does an ENERGY STAR score of 82 mean?
ENERGY STAR scores run from 1 to 100 and are computed by the EPA's Portfolio Manager as a percentile against similar buildings nationwide, adjusted for climate, size and use: a score of 82 means the building performs better than about 82% of its national peers. BuildingCensus bands the score into report-card grades; 82 falls in band B — above median (70–84). Scores of 75 or higher meet the threshold for ENERGY STAR certification; certification itself is a separate, verified application that the disclosure does not record. In New York City, 43% of scored buildings are at 75 or above.
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. 100 Congress Street's 51.1 kBtu/ft² across 48,864 sq ft works out to about 2.5 billion Btu (732 MWh-equivalent) in 2024. Its source EUI of 92.2 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 315,865 kWh of electricity, 14,172 therms of natural gas and 1,834 thousand gallons of water for the year.
Which law requires 100 Congress Street to report its energy use?
100 Congress 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:26562676:2024). 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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- BRG - 157 e 18th st· 48,849 sq ft · score 20 (D)
- 38-42 Elliot Place· 48,845 sq ft · score 32 (D)
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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 100 Congress Street's energy grade?
100 Congress Street scores 82 out of 100 on ENERGY STAR — band B, above median (70–84) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 100 Congress Street use?
Its 2024 site energy-use intensity was 51.1 kBtu/ft² (92.2 kBtu/ft² source) across 48,864 sq ft, including 315,865 kWh of electricity and 14,172 therms of natural gas.
What are 100 Congress Street's carbon emissions?
100 Congress Street reported 199 tCO₂e of greenhouse-gas emissions (4.1 kgCO₂e/ft²) for 2024.
Where is 100 Congress Street?
100 Congress Street is at 86 Congress Street, in New York City, New York 11201. Its coordinates are 40.68942, -73.99967 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 100 Congress Street and when was it built?
100 Congress Street has 48,864 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2009 as its year built. It is classed as multifamily housing.
Is 100 Congress 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).
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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, “100 Congress Street, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/100-congress-street-cd2c2cc9 (data as of October 2, 2026).