BuildingCensus
B

48 W 21st Street

Office in New York City, NY · 10010

ENERGY STAR score
78
band B · 2024
Site EUI
89.1
kBtu/ft²
GHG emissions
380
tCO₂e
GHG intensity
7.7
kgCO₂e/ft²
Floor area
49,200
sq ft
Year built
1903
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 score78 (band B)
Site EUI89.1 kBtu/ft²
Source EUI138.9 kBtu/ft²
GHG emissions380 tCO₂e
GHG intensity7.7 kgCO₂e/ft²
Electricity393,398 kWh
Natural gas0 therms
Water use2,394 kgal
Gross floor area49,200 sq ft
Source recordnyc:6283111:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest78-1289.1 kBtu/ft²380 tCO₂e
202390+1157.1 kBtu/ft²255 tCO₂e
20227975.0 kBtu/ft²292 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
48 W 21st Street
State
New York
ZIP
10010
Coordinates
40.74092, -73.99208

Within ~1 km

Nearby benchmarked buildings

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

Frequently asked questions

What is 48 W 21st Street's energy grade?

48 W 21st Street scores 78 out of 100 on ENERGY STAR — band B (Above median (70–84)) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.

How much energy does 48 W 21st Street use?

Its 2024 site energy-use intensity was 89.1 kBtu/ft² (138.9 kBtu/ft² source) across 49,200 sq ft, including 393,398 kWh of electricity and 0 therms of natural gas.

What are 48 W 21st Street's carbon emissions?

48 W 21st Street reported 380 tCO₂e of greenhouse-gas emissions (7.7 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:6283111:2024.