BuildingCensus
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450 HDFC

Multifamily Housing in New York City, NY · 448-50 St. Nicholas Ave. · 10027

At a glance

450 HDFC is a 25,074-square-foot multifamily housing building at 448-50 St. Nicholas Ave. in New York City, New York, built in 1926.

ENERGY STAR score
—
not reported · 2024
Site EUI
—
kBtu/ft²
GHG emissions
—
tCO₂e
GHG intensity
—
kgCO₂e/ft²
Floor area
25,074
sq ft
Year built
1926
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 score—
Site EUI—
Source EUI—
GHG emissions—
GHG intensity—
Electricity184,718 kWh
Natural gas421 therms
Water use1,626 kgal
Gross floor area25,074 sq ft
Source recordnyc:12755976:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest———
202388+264.2 kBtu/ft²126 tCO₂e
20228674.0 kBtu/ft²143 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 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
448-50 St. Nicholas Ave.
State
New York
ZIP
10027
Coordinates
40.81514, -73.94894

Within ~1 km

Nearby benchmarked buildings

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

How does 450 HDFC 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 25,074 sq ft, it is about 75% below the average floor area of 100,951 sq ft for those buildings. It was built in 1926, 26 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 450 HDFC's energy performance changed over time?

BuildingCensus holds 3 New York City disclosures for 450 HDFC, covering report years 2022–2024. Its ENERGY STAR score went from 86 in 2022 to 88 in 2023 (+2 points). Site EUI moved from 74.0 kBtu/ft² (2022) to 64.2 kBtu/ft² (2023), a 13% decrease. Reported emissions went from 143 tCO₂e to 126 tCO₂e over the same span (down 12%).

Which law requires 450 HDFC to report its energy use?

450 HDFC 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:12755976:2024). 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 450 HDFC's energy grade?

450 HDFC did not report an ENERGY STAR score in its 2024 disclosure.

How much energy does 450 HDFC use?

No energy-use intensity was reported for 2024.

What are 450 HDFC's carbon emissions?

No greenhouse-gas emissions figure was reported for 2024.

Where is 450 HDFC?

450 HDFC is at 448-50 St. Nicholas Ave., in New York City, New York 10027. Its coordinates are 40.81514, -73.94894 (latitude, longitude), as published in the Energy and Water Data Disclosure file.

How big is 450 HDFC and when was it built?

450 HDFC has 25,074 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1926 as its year built. It is classed as multifamily housing.

Is 450 HDFC 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, “450 HDFC, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/450-hdfc-46da8d05 (data as of October 2, 2026).