BuildingCensus
D

WEST 23RD STREET OWNERS CORP

Multifamily Housing in New York City, NY · 410 west 23rd Street · 10011

At a glance

WEST 23RD STREET OWNERS CORP is a 36,575-square-foot multifamily housing building at 410 west 23rd Street in New York City, New York, built in 1920. 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 151.8 kBtu/ft² and 402 tCO₂e of greenhouse-gas emissions. That score is higher than 0% of the 22,829 scored multifamily housing buildings in New York City.

ENERGY STAR score
1
band D · 2024
Site EUI
151.8
kBtu/ft²
GHG emissions
402
tCO₂e
GHG intensity
11.0
kgCO₂e/ft²
Floor area
36,575
sq ft
Year built
1920
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 score1 (band D)
Site EUI151.8 kBtu/ft²
Source EUI242.3 kBtu/ft²
GHG emissions402 tCO₂e
GHG intensity11.0 kgCO₂e/ft²
Electricity507,782 kWh
Natural gas38,185 therms
Gross floor area36,575 sq ft
Source recordnyc:22739867:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest1±0151.8 kBtu/ft²402 tCO₂e
20231140.4 kBtu/ft²355 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.

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Ownership

No owning organisation shown. Names of private individuals in the disclosure are not published here.

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Location

Address
410 west 23rd Street
State
New York
ZIP
10011
Coordinates
40.74675, -74.00196

Within ~1 km

Nearby benchmarked buildings

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

How does WEST 23RD STREET OWNERS CORP 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. WEST 23RD STREET OWNERS CORP's ENERGY STAR score of 1 compares with an average of 63 across the 22,829 that report a score; it scores higher than 0% of them and lower than 97%. Its site EUI of 151.8 kBtu/ft² is about twice the average of 74.9 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 11.0 kgCO₂e/ft² is about twice the group average of 5.2 kgCO₂e/ft².

At 36,575 sq ft, it is about 64% below the average floor area of 100,951 sq ft for those buildings. It was built in 1920, 32 years earlier 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 WEST 23RD STREET OWNERS CORP's energy performance changed over time?

BuildingCensus holds 2 New York City disclosures for WEST 23RD STREET OWNERS CORP, covering report years 2023–2024. Its ENERGY STAR score was 1 in both 2023 and 2024. Site EUI moved from 140.4 kBtu/ft² (2023) to 151.8 kBtu/ft² (2024), an 8% increase. Reported emissions went from 355 tCO₂e to 402 tCO₂e over the same span (up 13%).

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. WEST 23RD STREET OWNERS CORP's 151.8 kBtu/ft² across 36,575 sq ft works out to about 5.6 billion Btu (1,627 MWh-equivalent) in 2024. Its source EUI of 242.3 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 507,782 kWh of electricity and 38,185 therms of natural gas for the year.

Which law requires WEST 23RD STREET OWNERS CORP to report its energy use?

WEST 23RD STREET OWNERS CORP 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:22739867:2024). 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

Frequently asked questions

What is WEST 23RD STREET OWNERS CORP's energy grade?

WEST 23RD STREET OWNERS CORP 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 WEST 23RD STREET OWNERS CORP use?

Its 2024 site energy-use intensity was 151.8 kBtu/ft² (242.3 kBtu/ft² source) across 36,575 sq ft, including 507,782 kWh of electricity and 38,185 therms of natural gas.

What are WEST 23RD STREET OWNERS CORP's carbon emissions?

WEST 23RD STREET OWNERS CORP reported 402 tCO₂e of greenhouse-gas emissions (11.0 kgCO₂e/ft²) for 2024.

Where is WEST 23RD STREET OWNERS CORP?

WEST 23RD STREET OWNERS CORP is at 410 west 23rd Street, in New York City, New York 10011. Its coordinates are 40.74675, -74.00196 (latitude, longitude), as published in the Energy and Water Data Disclosure file.

How big is WEST 23RD STREET OWNERS CORP and when was it built?

WEST 23RD STREET OWNERS CORP has 36,575 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1920 as its year built. It is classed as multifamily housing.

Is WEST 23RD STREET OWNERS CORP 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, “WEST 23RD STREET OWNERS CORP, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/west-23rd-street-owners-corp-810ccb6d (data as of October 2, 2026).