SW - 301 West 45th Street
Multifamily Housing in New York City, NY · 301 West 45th Street · 10036
At a glance
SW - 301 West 45th Street is a 127,778-square-foot multifamily housing building in New York City, New York, built in 1966. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 41 out of 100 (grade D), a site energy-use intensity of 111.0 kBtu/ft² and 951 tCO₂e of greenhouse-gas emissions. That score is higher than 25% 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 | 41 (band D) |
| Site EUI | 111.0 kBtu/ft² |
| Source EUI | 160.1 kBtu/ft² |
| GHG emissions | 951 tCO₂e |
| GHG intensity | 7.4 kgCO₂e/ft² |
| Electricity | 930,948 kWh |
| Natural gas | 110,131 therms |
| Water use | 6,061 kgal |
| Gross floor area | 127,778 sq ft |
| Source record | nyc:4937955:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 41 | -10 | 111.0 kBtu/ft² | 951 tCO₂e |
| 2023 | 51 | -15 | 93.1 kBtu/ft² | 832 tCO₂e |
| 2022 | 66 | 91.5 kBtu/ft² | 788 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
- 301 West 45th Street
- City
- New York City
- State
- New York
- ZIP
- 10036
- Coordinates
- 40.75935, -73.98881
Within ~1 km
Nearby benchmarked buildings
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Office · 2,837,932 sq ft
- 1221 Avenue of the Americasscore 86
Office · 2,636,182 sq ft
- PENN 1 (LL97)score —
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- PENN 1 (Offices)score —
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- One Bryant Parkscore 62
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- 1211 Avenue of the Americasscore 56
Office · 2,023,847 sq ft
See also: most efficient in New York City · biggest emitters
How does SW - 301 West 45th 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. SW - 301 West 45th Street's ENERGY STAR score of 41 compares with an average of 63 across the 22,829 that report a score; it scores higher than 25% of them and lower than 75%. Its site EUI of 111.0 kBtu/ft² is about 48% above the average of 74.9 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 7.4 kgCO₂e/ft² is about 43% above the group average of 5.2 kgCO₂e/ft².
At 127,778 sq ft, it is about 27% above the average floor area of 100,951 sq ft for those buildings. It was built in 1966, 14 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 SW - 301 West 45th Street's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for SW - 301 West 45th Street, covering report years 2022–2024. Its ENERGY STAR score went from 66 in 2022 to 41 in 2024 (-25 points); its best year on file was 2022, at 66. Site EUI moved from 91.5 kBtu/ft² (2022) to 111.0 kBtu/ft² (2024), an 21% increase. Reported emissions went from 788 tCO₂e to 951 tCO₂e over the same span (up 21%).
What does an ENERGY STAR score of 41 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 41 means the building performs better than about 41% of its national peers. BuildingCensus bands the score into report-card grades; 41 falls in band D — lowest band (1–54). It sits 34 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. SW - 301 West 45th Street's 111.0 kBtu/ft² across 127,778 sq ft works out to about 14.2 billion Btu (4,157 MWh-equivalent) in 2024. Its source EUI of 160.1 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 930,948 kWh of electricity, 110,131 therms of natural gas and 6,061 thousand gallons of water for the year.
Which law requires SW - 301 West 45th Street to report its energy use?
SW - 301 West 45th 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:4937955:2024). 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
- Cornerstone Senior Housing· 127,750 sq ft · score 88 (A)
- 540 West 28th Street· 127,715 sq ft · score 92 (A)
- Halstead - 540 West 28th Street· 127,715 sq ft · score 88 (A)
- Copy of DEPM 1202 - 111 Varick Street· 127,707 sq ft · score 60 (C)
- Halstead - 71 Laight Street - PARENT· 127,681 sq ft · score 4 (D)
- 90 East End Ave Condo (90 East End Ave)· 127,680 sq ft · score 53 (D)
- 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 SW - 301 West 45th Street's energy grade?
SW - 301 West 45th Street scores 41 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does SW - 301 West 45th Street use?
Its 2024 site energy-use intensity was 111.0 kBtu/ft² (160.1 kBtu/ft² source) across 127,778 sq ft, including 930,948 kWh of electricity and 110,131 therms of natural gas.
What are SW - 301 West 45th Street's carbon emissions?
SW - 301 West 45th Street reported 951 tCO₂e of greenhouse-gas emissions (7.4 kgCO₂e/ft²) for 2024.
Where is SW - 301 West 45th Street?
SW - 301 West 45th Street is in New York City, New York 10036. Its coordinates are 40.75935, -73.98881 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is SW - 301 West 45th Street and when was it built?
SW - 301 West 45th Street has 127,778 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1966 as its year built. It is classed as multifamily housing.
Is SW - 301 West 45th 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, “SW - 301 West 45th Street, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/sw-301-west-45th-street-e625cb0a (data as of October 2, 2026).