BuildingCensus
D

Washington Heights Rehab (Group 1&2) - 503 W 177th Street

Multifamily Housing in New York City, NY · 503 W. 177Th Street · 10033

At a glance

Washington Heights Rehab (Group 1&2) - 503 W 177th Street is a 28,870-square-foot multifamily housing building at 503 W. 177Th Street in New York City, New York, built in 1907. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 10 out of 100 (grade D), a site energy-use intensity of 133.3 kBtu/ft² and 250 tCO₂e of greenhouse-gas emissions. That score is higher than 7% of the 22,829 scored multifamily housing buildings in New York City.

ENERGY STAR score
10
band D · 2024
Site EUI
133.3
kBtu/ft²
GHG emissions
250
tCO₂e
GHG intensity
8.6
kgCO₂e/ft²
Floor area
28,870
sq ft
Year built
1907
vintage
◆ Loading map…
85–10070–8455–691–54
This entry + 6 nearby

Local Law 84 (LL84) · reporting year 2024

Benchmarking record

FieldValue
ENERGY STAR score10 (band D)
Site EUI133.3 kBtu/ft²
Source EUI184.1 kBtu/ft²
GHG emissions250 tCO₂e
GHG intensity8.6 kgCO₂e/ft²
Electricity213,442 kWh
Natural gas31,206 therms
Water use2,967 kgal
Gross floor area28,870 sq ft
Source recordnyc:9588707:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest10-1133.3 kBtu/ft²250 tCO₂e
202311-7131.1 kBtu/ft²240 tCO₂e
202218125.8 kBtu/ft²216 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
503 W. 177Th Street
State
New York
ZIP
10033
Coordinates
40.84562, -73.93294

Within ~1 km

Nearby benchmarked buildings

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

How does Washington Heights Rehab (Group 1&2) - 503 W 177th Street 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. Washington Heights Rehab (Group 1&2) - 503 W 177th Street's ENERGY STAR score of 10 compares with an average of 63 across the 22,829 that report a score; it scores higher than 7% of them and lower than 92%. Its site EUI of 133.3 kBtu/ft² is about 78% above 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 8.6 kgCO₂e/ft² is about 66% above the group average of 5.2 kgCO₂e/ft².

At 28,870 sq ft, it is about 71% below the average floor area of 100,951 sq ft for those buildings. It was built in 1907, 45 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 Washington Heights Rehab (Group 1&2) - 503 W 177th Street's energy performance changed over time?

BuildingCensus holds 3 New York City disclosures for Washington Heights Rehab (Group 1&2) - 503 W 177th Street, covering report years 2022–2024. Its ENERGY STAR score went from 18 in 2022 to 10 in 2024 (-8 points); its best year on file was 2022, at 18. Site EUI moved from 125.8 kBtu/ft² (2022) to 133.3 kBtu/ft² (2024), an 6% increase. Reported emissions went from 216 tCO₂e to 250 tCO₂e over the same span (up 16%).

What does an ENERGY STAR score of 10 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: a score of 10 means the building performs better than about 10% of its national peers. BuildingCensus bands the score into report-card grades; 10 falls in band D — lowest band (1–54). It sits 65 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. Washington Heights Rehab (Group 1&2) - 503 W 177th Street's 133.3 kBtu/ft² across 28,870 sq ft works out to about 3.8 billion Btu (1,128 MWh-equivalent) in 2024. Its source EUI of 184.1 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 213,442 kWh of electricity, 31,206 therms of natural gas and 2,967 thousand gallons of water for the year.

Which law requires Washington Heights Rehab (Group 1&2) - 503 W 177th Street to report its energy use?

Washington Heights Rehab (Group 1&2) - 503 W 177th Street 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:9588707:2024). 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 Washington Heights Rehab (Group 1&2) - 503 W 177th Street's energy grade?

Washington Heights Rehab (Group 1&2) - 503 W 177th Street scores 10 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 Washington Heights Rehab (Group 1&2) - 503 W 177th Street use?

Its 2024 site energy-use intensity was 133.3 kBtu/ft² (184.1 kBtu/ft² source) across 28,870 sq ft, including 213,442 kWh of electricity and 31,206 therms of natural gas.

What are Washington Heights Rehab (Group 1&2) - 503 W 177th Street's carbon emissions?

Washington Heights Rehab (Group 1&2) - 503 W 177th Street reported 250 tCO₂e of greenhouse-gas emissions (8.6 kgCO₂e/ft²) for 2024.

Where is Washington Heights Rehab (Group 1&2) - 503 W 177th Street?

Washington Heights Rehab (Group 1&2) - 503 W 177th Street is at 503 W. 177Th Street, in New York City, New York 10033. Its coordinates are 40.84562, -73.93294 (latitude, longitude), as published in the Energy and Water Data Disclosure file.

How big is Washington Heights Rehab (Group 1&2) - 503 W 177th Street and when was it built?

Washington Heights Rehab (Group 1&2) - 503 W 177th Street has 28,870 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1907 as its year built. It is classed as multifamily housing.

Is Washington Heights Rehab (Group 1&2) - 503 W 177th Street 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).

Working with New York City building benchmarking records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

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, “Washington Heights Rehab (Group 1&2) - 503 W 177th Street, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/washington-heights-rehab-group-1-2-503-w-177th-street-95f02e1d (data as of October 2, 2026).