Webster Apartments : 229 DUFFIELD STREET
Hotel in New York City, NY · 229 DUFFIELD STREET · 11201
At a glance
Webster Apartments : 229 DUFFIELD STREET is a 53,120-square-foot hotel in New York City, New York, built in 1950. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 1 out of 100 (grade D), a site energy-use intensity of 135.0 kBtu/ft² and 621 tCO₂e of greenhouse-gas emissions. That score is higher than 0% of the 853 scored hotel buildings in New York City.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 1 (band D) |
| Site EUI | 135.0 kBtu/ft² |
| Source EUI | 269.5 kBtu/ft² |
| GHG emissions | 621 tCO₂e |
| GHG intensity | 11.7 kgCO₂e/ft² |
| Electricity | 1,136,925 kWh |
| Natural gas | 32,900 therms |
| Water use | 587 kgal |
| Gross floor area | 53,120 sq ft |
| Source record | nyc:31482236:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 1 | 135.0 kBtu/ft² | 621 tCO₂e | |
| 2023 | — | — | 0 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
- 229 DUFFIELD STREET
- City
- New York City
- State
- New York
- ZIP
- 11201
- Coordinates
- 40.69125, -73.98438
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does Webster Apartments : 229 DUFFIELD STREET 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. Webster Apartments : 229 DUFFIELD STREET's ENERGY STAR score of 1 compares with an average of 50 across the 853 that report a score; it scores higher than 0% of them and lower than 96%. Its site EUI of 135.0 kBtu/ft² is about 43% above the average of 94.3 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 11.7 kgCO₂e/ft² is about 50% above the group average of 7.8 kgCO₂e/ft².
At 53,120 sq ft, it is about 61% below the average floor area of 137,256 sq ft for those buildings. It was built in 1950, 25 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 Webster Apartments : 229 DUFFIELD STREET's energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for Webster Apartments : 229 DUFFIELD STREET, covering report years 2023–2024. Only one of those years carries energy figures.
What does an ENERGY STAR score of 1 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: 1 is the bottom of the scale. BuildingCensus bands the score into report-card grades; 1 falls in band D — lowest band (1–54). It sits 74 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. Webster Apartments : 229 DUFFIELD STREET's 135.0 kBtu/ft² across 53,120 sq ft works out to about 7.2 billion Btu (2,102 MWh-equivalent) in 2024. Its source EUI of 269.5 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,136,925 kWh of electricity, 32,900 therms of natural gas and 587 thousand gallons of water for the year.
Which law requires Webster Apartments : 229 DUFFIELD STREET to report its energy use?
Webster Apartments : 229 DUFFIELD 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:31482236:2024). 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 hotel buildings in New York City
- The Frederick Hotel· 53,039 sq ft · score 1 (D)
- Triumph Hotels - 95 West Broadway (The Frederick Hotel)· 53,039 sq ft · score 1 (D)
- Evelyn Hotel· 53,038 sq ft · score 34 (D)
- Triumph Hotels - 7 East 27th St(The Gershwin Hotel)· 53,038 sq ft · score 57 (C)
- Triumph Hotels - 49 West 44 St (Iroquois Hotel)· 52,575 sq ft · score 71 (B)
- MARRIOTT TOWNEPLACE SUITES BROOKLYN· 52,403 sq ft · score 91 (A)
- 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 Webster Apartments : 229 DUFFIELD STREET's energy grade?
Webster Apartments : 229 DUFFIELD STREET scores 1 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 Webster Apartments : 229 DUFFIELD STREET use?
Its 2024 site energy-use intensity was 135.0 kBtu/ft² (269.5 kBtu/ft² source) across 53,120 sq ft, including 1,136,925 kWh of electricity and 32,900 therms of natural gas.
What are Webster Apartments : 229 DUFFIELD STREET's carbon emissions?
Webster Apartments : 229 DUFFIELD STREET reported 621 tCO₂e of greenhouse-gas emissions (11.7 kgCO₂e/ft²) for 2024.
Where is Webster Apartments : 229 DUFFIELD STREET?
Webster Apartments : 229 DUFFIELD STREET is in New York City, New York 11201. Its coordinates are 40.69125, -73.98438 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Webster Apartments : 229 DUFFIELD STREET and when was it built?
Webster Apartments : 229 DUFFIELD STREET has 53,120 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1950 as its year built. It is classed as hotel.
Is Webster Apartments : 229 DUFFIELD 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, “Webster Apartments : 229 DUFFIELD STREET, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/webster-apartments-229-duffield-street-e637dfc9 (data as of October 2, 2026).