133 West 71st Street
Multifamily Housing in New York City, NY · 10023
At a glance
133 West 71st Street is a 30,722-square-foot multifamily housing building in New York City, New York, built in 1928. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 74 out of 100 (grade B), a site energy-use intensity of 82.0 kBtu/ft² and 154 tCO₂e of greenhouse-gas emissions. That score is higher than 56% 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 | 74 (band B) |
| Site EUI | 82.0 kBtu/ft² |
| Source EUI | 105.1 kBtu/ft² |
| GHG emissions | 154 tCO₂e |
| GHG intensity | 5.0 kgCO₂e/ft² |
| Electricity | 97,809 kWh |
| Natural gas | 21,850 therms |
| Gross floor area | 30,722 sq ft |
| Source record | nyc:7061306:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 74 | -8 | 82.0 kBtu/ft² | 154 tCO₂e |
| 2023 | 82 | +18 | 74.8 kBtu/ft² | 140 tCO₂e |
| 2022 | 64 | 96.1 kBtu/ft² | 167 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
- 133 West 71st Street
- City
- New York City
- State
- New York
- ZIP
- 10023
- Coordinates
- 40.77714, -73.98022
Within ~1 km
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How does 133 West 71st 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. 133 West 71st Street's ENERGY STAR score of 74 compares with an average of 63 across the 22,829 that report a score; it scores higher than 56% of them and lower than 43%. Its site EUI of 82.0 kBtu/ft² is roughly in line with the average of 74.9 kBtu/ft². Its emissions intensity of 5.0 kgCO₂e/ft² is roughly in line with the group average of 5.2 kgCO₂e/ft².
At 30,722 sq ft, it is about 70% below the average floor area of 100,951 sq ft for those buildings. It was built in 1928, 24 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 133 West 71st Street's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 133 West 71st Street, covering report years 2022–2024. Its ENERGY STAR score went from 64 in 2022 to 74 in 2024 (+10 points); its best year on file was 2023, at 82. Site EUI moved from 96.1 kBtu/ft² (2022) to 82.0 kBtu/ft² (2024), a 15% decrease. Reported emissions went from 167 tCO₂e to 154 tCO₂e over the same span (down 8%).
What does an ENERGY STAR score of 74 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 74 means the building performs better than about 74% of its national peers. BuildingCensus bands the score into report-card grades; 74 falls in band B — above median (70–84). It sits 1 points below 75, the threshold for ENERGY STAR certification. 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. 133 West 71st Street's 82.0 kBtu/ft² across 30,722 sq ft works out to about 2.5 billion Btu (738 MWh-equivalent) in 2024. Its source EUI of 105.1 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 97,809 kWh of electricity and 21,850 therms of natural gas for the year.
Which law requires 133 West 71st Street to report its energy use?
133 West 71st 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:7061306:2024). 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)
- 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 133 West 71st Street's energy grade?
133 West 71st Street scores 74 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 133 West 71st Street use?
Its 2024 site energy-use intensity was 82.0 kBtu/ft² (105.1 kBtu/ft² source) across 30,722 sq ft, including 97,809 kWh of electricity and 21,850 therms of natural gas.
What are 133 West 71st Street's carbon emissions?
133 West 71st Street reported 154 tCO₂e of greenhouse-gas emissions (5.0 kgCO₂e/ft²) for 2024.
Where is 133 West 71st Street?
133 West 71st Street is in New York City, New York 10023. Its coordinates are 40.77714, -73.98022 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 133 West 71st Street and when was it built?
133 West 71st Street has 30,722 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1928 as its year built. It is classed as multifamily housing.
Is 133 West 71st 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, “133 West 71st Street, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/133-west-71st-street-41736057 (data as of October 2, 2026).