BuildingCensus
C

SANS SOUCI APT INC: 1955 Williamsbridge Rd

Multifamily Housing in New York City, NY · 1955 Williamsbridge Rd · 10461

At a glance

SANS SOUCI APT INC: 1955 Williamsbridge Rd is a 79,715-square-foot multifamily housing building in New York City, New York, built in 1961. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 68 out of 100 (grade C), a site energy-use intensity of 66.0 kBtu/ft² and 325 tCO₂e of greenhouse-gas emissions. That score is higher than 49% of the 22,829 scored multifamily housing buildings in New York City.

ENERGY STAR score
68
band C · 2024
Site EUI
66.0
kBtu/ft²
GHG emissions
325
tCO₂e
GHG intensity
4.1
kgCO₂e/ft²
Floor area
79,715
sq ft
Year built
1961
vintage
◆ Loading map…
85–10070–8455–691–54
This entry + 6 nearby

Local Law 84 (LL84) · reporting year 2024

Benchmarking record

FieldValue
ENERGY STAR score68 (band C)
Site EUI66.0 kBtu/ft²
Source EUI85.6 kBtu/ft²
GHG emissions325 tCO₂e
GHG intensity4.1 kgCO₂e/ft²
Electricity216,724 kWh
Natural gas45,241 therms
Water use4,225 kgal
Gross floor area79,715 sq ft
Source recordnyc:6282905:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest68+2466.0 kBtu/ft²325 tCO₂e
202344-180.3 kBtu/ft²379 tCO₂e
20224585.4 kBtu/ft²387 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
1955 Williamsbridge Rd
State
New York
ZIP
10461
Coordinates
40.85330, -73.85371

Within ~1 km

Nearby benchmarked buildings

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

How does SANS SOUCI APT INC: 1955 Williamsbridge Rd 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. SANS SOUCI APT INC: 1955 Williamsbridge Rd's ENERGY STAR score of 68 compares with an average of 63 across the 22,829 that report a score; it scores higher than 49% of them and lower than 50%. Its site EUI of 66.0 kBtu/ft² is about 12% below the average of 74.9 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 4.1 kgCO₂e/ft² is about 22% below the group average of 5.2 kgCO₂e/ft².

At 79,715 sq ft, it is about 21% below the average floor area of 100,951 sq ft for those buildings. It was built in 1961, 9 years later 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 SANS SOUCI APT INC: 1955 Williamsbridge Rd's energy performance changed over time?

BuildingCensus holds 3 New York City disclosures for SANS SOUCI APT INC: 1955 Williamsbridge Rd, covering report years 2022–2024. Its ENERGY STAR score went from 45 in 2022 to 68 in 2024 (+23 points). Site EUI moved from 85.4 kBtu/ft² (2022) to 66.0 kBtu/ft² (2024), a 23% decrease. Reported emissions went from 387 tCO₂e to 325 tCO₂e over the same span (down 16%).

What does an ENERGY STAR score of 68 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 68 means the building performs better than about 68% of its national peers. BuildingCensus bands the score into report-card grades; 68 falls in band C — below median (55–69). It sits 7 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. SANS SOUCI APT INC: 1955 Williamsbridge Rd's 66.0 kBtu/ft² across 79,715 sq ft works out to about 5.3 billion Btu (1,542 MWh-equivalent) in 2024. Its source EUI of 85.6 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 216,724 kWh of electricity, 45,241 therms of natural gas and 4,225 thousand gallons of water for the year.

Which law requires SANS SOUCI APT INC: 1955 Williamsbridge Rd to report its energy use?

SANS SOUCI APT INC: 1955 Williamsbridge Rd 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:6282905:2024). 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 SANS SOUCI APT INC: 1955 Williamsbridge Rd's energy grade?

SANS SOUCI APT INC: 1955 Williamsbridge Rd scores 68 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 SANS SOUCI APT INC: 1955 Williamsbridge Rd use?

Its 2024 site energy-use intensity was 66.0 kBtu/ft² (85.6 kBtu/ft² source) across 79,715 sq ft, including 216,724 kWh of electricity and 45,241 therms of natural gas.

What are SANS SOUCI APT INC: 1955 Williamsbridge Rd's carbon emissions?

SANS SOUCI APT INC: 1955 Williamsbridge Rd reported 325 tCO₂e of greenhouse-gas emissions (4.1 kgCO₂e/ft²) for 2024.

Where is SANS SOUCI APT INC: 1955 Williamsbridge Rd?

SANS SOUCI APT INC: 1955 Williamsbridge Rd is in New York City, New York 10461. Its coordinates are 40.85330, -73.85371 (latitude, longitude), as published in the Energy and Water Data Disclosure file.

How big is SANS SOUCI APT INC: 1955 Williamsbridge Rd and when was it built?

SANS SOUCI APT INC: 1955 Williamsbridge Rd has 79,715 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1961 as its year built. It is classed as multifamily housing.

Is SANS SOUCI APT INC: 1955 Williamsbridge Rd 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, “SANS SOUCI APT INC: 1955 Williamsbridge Rd, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/sans-souci-apt-inc-1955-williamsbridge-rd-30bdc2d7 (data as of October 2, 2026).