117 West 21st Street
Multifamily Housing in New York City, NY · 10011
At a glance
117 West 21st Street is a 37,713-square-foot multifamily housing building in New York City, New York, built in 2016.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | — |
| Source EUI | — |
| GHG emissions | — |
| GHG intensity | — |
| Electricity | 237,425 kWh |
| Gross floor area | 37,713 sq ft |
| Source record | nyc:20800735:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | — | — | |
| 2023 | — | 44.8 kBtu/ft² | 131 tCO₂e | |
| 2022 | — | 52.5 kBtu/ft² | 132 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
- 117 West 21st Street
- City
- New York City
- State
- New York
- ZIP
- 10011
- Coordinates
- 40.74195, -73.99448
Within ~1 km
Nearby benchmarked buildings
- Penn Southscore 95
Multifamily Housing · 3,391,963 sq ft
- 111 Eighth Avenuescore —
Office · 2,375,706 sq ft
- 11 Madison Avenuescore 77
Office · 2,228,574 sq ft
- One Madison Avenuescore —
Office · 1,339,997 sq ft
- ConEd Irving Placescore 55
Office · 1,255,204 sq ft
- Benchmarking Group - 3score —
College/University · 1,221,878 sq ft
See also: most efficient in New York City · biggest emitters
How does 117 West 21st 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.
At 37,713 sq ft, it is about 63% below the average floor area of 100,951 sq ft for those buildings. It was built in 2016, 64 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 117 West 21st Street's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 117 West 21st Street, covering report years 2022–2024. Site EUI moved from 52.5 kBtu/ft² (2022) to 44.8 kBtu/ft² (2023), a 15% decrease. Reported emissions went from 132 tCO₂e to 131 tCO₂e over the same span (down 0%).
Which law requires 117 West 21st Street to report its energy use?
117 West 21st 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:20800735:2024). 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
- 1181 East Tremont Avenue· 37,707 sq ft · score 19 (D)
- 1425 Macombs Road· 37,700 sq ft · score 64 (C)
- 295 West 11th Street· 37,700 sq ft · score 65 (C)
- 3554 Dekalb Avenue· 37,700 sq ft
- COE Property Management:2218 OCEAN AVENUE· 37,696 sq ft · score 82 (B)
- LARAM ASSOCIATES, L.L.· 37,695 sq ft · score 28 (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 117 West 21st Street's energy grade?
117 West 21st Street did not report an ENERGY STAR score in its 2024 disclosure.
How much energy does 117 West 21st Street use?
No energy-use intensity was reported for 2024.
What are 117 West 21st Street's carbon emissions?
No greenhouse-gas emissions figure was reported for 2024.
Where is 117 West 21st Street?
117 West 21st Street is in New York City, New York 10011. Its coordinates are 40.74195, -73.99448 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 117 West 21st Street and when was it built?
117 West 21st Street has 37,713 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2016 as its year built. It is classed as multifamily housing.
Is 117 West 21st 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, “117 West 21st Street, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/117-west-21st-street-491ed696 (data as of October 2, 2026).