BuildingCensus
C

50 East 21st Street

Multifamily Housing in New York City, NY · 11226

ENERGY STAR score
56
band C · 2024
Site EUI
81.6
kBtu/ft²
GHG emissions
354
tCO₂e
GHG intensity
5.0
kgCO₂e/ft²
Floor area
71,282
sq ft
Year built
1936
vintage
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85–10070–8455–691–54
This entry + 6 nearby

Local Law 84 (LL84) · reporting year 2024

Benchmarking record

FieldValue
ENERGY STAR score56 (band C)
Site EUI81.6 kBtu/ft²
Source EUI103.4 kBtu/ft²
GHG emissions354 tCO₂e
GHG intensity5.0 kgCO₂e/ft²
Electricity211,782 kWh
Natural gas50,960 therms
Water use2,956 kgal
Gross floor area71,282 sq ft
Source recordnyc:2798131:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest56-1681.6 kBtu/ft²354 tCO₂e
202372+669.5 kBtu/ft²303 tCO₂e
20226678.9 kBtu/ft²323 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.

Program details →

Ownership

No owner listed in the disclosure.

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Location

Address
50 East 21st Street
State
New York
ZIP
11226
Coordinates
40.65331, -73.96057

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in New York City · biggest emitters

Frequently asked questions

What is 50 East 21st Street's energy grade?

50 East 21st Street scores 56 out of 100 on ENERGY STAR — band C (Below median (55–69)) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.

How much energy does 50 East 21st Street use?

Its 2024 site energy-use intensity was 81.6 kBtu/ft² (103.4 kBtu/ft² source) across 71,282 sq ft, including 211,782 kWh of electricity and 50,960 therms of natural gas.

What are 50 East 21st Street's carbon emissions?

50 East 21st Street reported 354 tCO₂e of greenhouse-gas emissions (5.0 kgCO₂e/ft²) for 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.

Dataset updated . Source: Energy and Water Data Disclosure disclosure, record nyc:2798131:2024.