Triumph Hotels - 318 West 51st St (Washington Jefferson Hotel)
Hotel in New York City, NY · 318 West 51st St · 10019
At a glance
Triumph Hotels - 318 West 51st St (Washington Jefferson Hotel) is a 54,568-square-foot hotel in New York City, New York, built in 1940. In its 2023 New York City benchmarking disclosure it reported an ENERGY STAR score of 23 out of 100 (grade D), a site energy-use intensity of 98.9 kBtu/ft² and 452 tCO₂e of greenhouse-gas emissions. That score is higher than 21% of the 853 scored hotel buildings in New York City.
Local Law 84 (LL84) · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 23 (band D) |
| Site EUI | 98.9 kBtu/ft² |
| Source EUI | 199.1 kBtu/ft² |
| GHG emissions | 452 tCO₂e |
| GHG intensity | 8.3 kgCO₂e/ft² |
| Electricity | 870,066 kWh |
| Natural gas | 24,299 therms |
| Gross floor area | 54,568 sq ft |
| Source record | nyc:26597094:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | 23 | -6 | 98.9 kBtu/ft² | 452 tCO₂e |
| 2022 | 29 | 96.1 kBtu/ft² | 370 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
- 318 West 51st St
- City
- New York City
- State
- New York
- ZIP
- 10019
- Coordinates
- 40.76325, -73.98647
Within ~1 km
Nearby benchmarked buildings
Office · 2,862,565 sq ft
- 1633 Broadway - Paramount Plazascore 75
Office · 2,837,932 sq ft
Mixed Use Property · 2,797,249 sq ft
Mixed Use Property · 2,797,249 sq ft
Mixed Use Property · 2,797,249 sq ft
- TEST Time Warner Centerscore —
Mixed Use Property · 2,797,249 sq ft
See also: most efficient in New York City · biggest emitters
How does Triumph Hotels - 318 West 51st St (Washington Jefferson Hotel) compare with other hotel buildings in New York City?
The latest disclosures cover 970 hotel buildings in New York City, out of 48,310 buildings citywide. Triumph Hotels - 318 West 51st St (Washington Jefferson Hotel)'s ENERGY STAR score of 23 compares with an average of 50 across the 853 that report a score; it scores higher than 21% of them and lower than 77%. Its site EUI of 98.9 kBtu/ft² is roughly in line with the average of 94.3 kBtu/ft². Its emissions intensity of 8.3 kgCO₂e/ft² is roughly in line with the group average of 7.8 kgCO₂e/ft².
At 54,568 sq ft, it is about 60% below the average floor area of 137,256 sq ft for those buildings. It was built in 1940, 35 years earlier than the group's average year built (1975). Across all 24 jurisdictions BuildingCensus covers, the 3,812 hotel buildings average an ENERGY STAR score of 65 and a site EUI of 77.8 kBtu/ft².
How has Triumph Hotels - 318 West 51st St (Washington Jefferson Hotel)'s energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for Triumph Hotels - 318 West 51st St (Washington Jefferson Hotel), covering report years 2022–2023. Its ENERGY STAR score went from 29 in 2022 to 23 in 2023 (-6 points); its best year on file was 2022, at 29. Site EUI moved from 96.1 kBtu/ft² (2022) to 98.9 kBtu/ft² (2023), an 3% increase. Reported emissions went from 370 tCO₂e to 452 tCO₂e over the same span (up 22%).
What does an ENERGY STAR score of 23 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 23 means the building performs better than about 23% of its national peers. BuildingCensus bands the score into report-card grades; 23 falls in band D — lowest band (1–54). It sits 52 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. Triumph Hotels - 318 West 51st St (Washington Jefferson Hotel)'s 98.9 kBtu/ft² across 54,568 sq ft works out to about 5.4 billion Btu (1,582 MWh-equivalent) in 2023. Its source EUI of 199.1 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 870,066 kWh of electricity and 24,299 therms of natural gas for the year.
Which law requires Triumph Hotels - 318 West 51st St (Washington Jefferson Hotel) to report its energy use?
Triumph Hotels - 318 West 51st St (Washington Jefferson Hotel) 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 2023 disclosure (source record nyc:26597094:2023). 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 hotel buildings in New York City
- Soho 54 hotel· 54,375 sq ft · score 7 (D)
- Soho 54 LLC· 54,375 sq ft · score 63 (C)
- 15 West 56th Street (The Chambers Hotel)· 53,957 sq ft · score 23 (D)
- 341 Chelsea Manhattan NY HAMP· 53,696 sq ft · score 77 (B)
- Flatbush Avenue Ext· 53,311 sq ft
- Webster Apartments : 229 DUFFIELD STREET· 53,120 sq ft · score 1 (D)
- Hotel buildings in New York City· 970 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 Triumph Hotels - 318 West 51st St (Washington Jefferson Hotel)'s energy grade?
Triumph Hotels - 318 West 51st St (Washington Jefferson Hotel) scores 23 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2023 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Triumph Hotels - 318 West 51st St (Washington Jefferson Hotel) use?
Its 2023 site energy-use intensity was 98.9 kBtu/ft² (199.1 kBtu/ft² source) across 54,568 sq ft, including 870,066 kWh of electricity and 24,299 therms of natural gas.
What are Triumph Hotels - 318 West 51st St (Washington Jefferson Hotel)'s carbon emissions?
Triumph Hotels - 318 West 51st St (Washington Jefferson Hotel) reported 452 tCO₂e of greenhouse-gas emissions (8.3 kgCO₂e/ft²) for 2023.
Where is Triumph Hotels - 318 West 51st St (Washington Jefferson Hotel)?
Triumph Hotels - 318 West 51st St (Washington Jefferson Hotel) is in New York City, New York 10019. Its coordinates are 40.76325, -73.98647 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Triumph Hotels - 318 West 51st St (Washington Jefferson Hotel) and when was it built?
Triumph Hotels - 318 West 51st St (Washington Jefferson Hotel) has 54,568 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1940 as its year built. It is classed as hotel.
Is Triumph Hotels - 318 West 51st St (Washington Jefferson Hotel) covered by Local Law 84 (LL84)?
Yes — it appears in the 2023 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, “Triumph Hotels - 318 West 51st St (Washington Jefferson Hotel), New York City, New York — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/triumph-hotels-318-west-51st-st-washington-jefferson-hotel-c4738c05 (data as of October 2, 2026).