BuildingCensus
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771-773 Prospect Avenue

Residential Care Facility in New York City, NY · 10455

At a glance

771-773 Prospect Avenue is a 35,053-square-foot residential care facility in New York City, New York, built in 2016. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 102.0 kBtu/ft² and 313 tCO₂e of greenhouse-gas emissions.

ENERGY STAR score
—
not reported · 2024
Site EUI
102.0
kBtu/ft²
GHG emissions
313
tCO₂e
GHG intensity
8.9
kgCO₂e/ft²
Floor area
35,053
sq ft
Year built
2016
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 EUI102.0 kBtu/ft²
Source EUI206.1 kBtu/ft²
GHG emissions313 tCO₂e
GHG intensity8.9 kgCO₂e/ft²
Electricity581,006 kWh
Natural gas15,925 therms
Water use863 kgal
Gross floor area35,053 sq ft
Source recordnyc:6465154:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest—102.0 kBtu/ft²313 tCO₂e
2023—101.2 kBtu/ft²300 tCO₂e
2022—85.9 kBtu/ft²231 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.

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Location

Address
771-773 Prospect Avenue
State
New York
ZIP
10455
Coordinates
40.81785, -73.90239

Within ~1 km

Nearby benchmarked buildings

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

How does 771-773 Prospect Avenue compare with other residential care facility buildings in New York City?

The latest disclosures cover 151 residential care facility buildings in New York City, out of 48,310 buildings citywide. Its site EUI of 102.0 kBtu/ft² is roughly in line with the average of 111.6 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 8.9 kgCO₂e/ft² is roughly in line with the group average of 8.5 kgCO₂e/ft².

At 35,053 sq ft, it is about 60% below the average floor area of 86,753 sq ft for those buildings. It was built in 2016, 48 years later than the group's average year built (1968). Across all 24 jurisdictions BuildingCensus covers, the 321 residential care facility buildings average an ENERGY STAR score of 41 and a site EUI of 94.2 kBtu/ft².

How has 771-773 Prospect Avenue's energy performance changed over time?

BuildingCensus holds 3 New York City disclosures for 771-773 Prospect Avenue, covering report years 2022–2024. Site EUI moved from 85.9 kBtu/ft² (2022) to 102.0 kBtu/ft² (2024), an 19% increase. Reported emissions went from 231 tCO₂e to 313 tCO₂e over the same span (up 35%).

What does a site EUI of 102.0 kBtu/ft² mean?

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. 771-773 Prospect Avenue's 102.0 kBtu/ft² across 35,053 sq ft works out to about 3.6 billion Btu (1,048 MWh-equivalent) in 2024. Its source EUI of 206.1 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 581,006 kWh of electricity, 15,925 therms of natural gas and 863 thousand gallons of water for the year.

Which law requires 771-773 Prospect Avenue to report its energy use?

771-773 Prospect Avenue 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:6465154:2024). 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 residential care facility buildings in New York City

Frequently asked questions

What is 771-773 Prospect Avenue's energy grade?

771-773 Prospect Avenue did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 102.0 kBtu/ft².

How much energy does 771-773 Prospect Avenue use?

Its 2024 site energy-use intensity was 102.0 kBtu/ft² (206.1 kBtu/ft² source) across 35,053 sq ft, including 581,006 kWh of electricity and 15,925 therms of natural gas.

What are 771-773 Prospect Avenue's carbon emissions?

771-773 Prospect Avenue reported 313 tCO₂e of greenhouse-gas emissions (8.9 kgCO₂e/ft²) for 2024.

Where is 771-773 Prospect Avenue?

771-773 Prospect Avenue is in New York City, New York 10455. Its coordinates are 40.81785, -73.90239 (latitude, longitude), as published in the Energy and Water Data Disclosure file.

How big is 771-773 Prospect Avenue and when was it built?

771-773 Prospect Avenue has 35,053 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2016 as its year built. It is classed as residential care facility.

Is 771-773 Prospect Avenue 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, “771-773 Prospect Avenue, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/771-773-prospect-avenue-a51b3122 (data as of October 2, 2026).