BuildingCensus
C

Mackedge: 136 W 23rd St

Multifamily Housing in New York City, NY · 136 W 23rd St · 10011

ENERGY STAR score
65
band C · 2024
Site EUI
47.9
kBtu/ft²
GHG emissions
153
tCO₂e
GHG intensity
4.1
kgCO₂e/ft²
Floor area
37,614
sq ft
Year built
1950
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 score65 (band C)
Site EUI47.9 kBtu/ft²
Source EUI78.4 kBtu/ft²
GHG emissions153 tCO₂e
GHG intensity4.1 kgCO₂e/ft²
Electricity182,999 kWh
Natural gas2,856 therms
Water use960 kgal
Gross floor area37,614 sq ft
Source recordnyc:15745503:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest65-1647.9 kBtu/ft²153 tCO₂e
202381-630.0 kBtu/ft²109 tCO₂e
20228725.9 kBtu/ft²80 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
136 W 23rd St
State
New York
ZIP
10011
Coordinates
40.74339, -73.99397

Within ~1 km

Nearby benchmarked buildings

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

Frequently asked questions

What is Mackedge: 136 W 23rd St's energy grade?

Mackedge: 136 W 23rd St scores 65 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 Mackedge: 136 W 23rd St use?

Its 2024 site energy-use intensity was 47.9 kBtu/ft² (78.4 kBtu/ft² source) across 37,614 sq ft, including 182,999 kWh of electricity and 2,856 therms of natural gas.

What are Mackedge: 136 W 23rd St's carbon emissions?

Mackedge: 136 W 23rd St reported 153 tCO₂e of greenhouse-gas emissions (4.1 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:15745503:2024.