BuildingCensus
B

Mt. Sinai - 52 East 97th Street

Multifamily Housing in New York City, NY · 52 East 97th Street · 10029

At a glance

Mt. Sinai - 52 East 97th Street is a 52,800-square-foot multifamily housing building in New York City, New York, built in 1924. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 72 out of 100 (grade B), a site energy-use intensity of 102.3 kBtu/ft² and 435 tCO₂e of greenhouse-gas emissions. That score is higher than 53% of the 22,829 scored multifamily housing buildings in New York City.

ENERGY STAR score
72
band B · 2024
Site EUI
102.3
kBtu/ft²
GHG emissions
435
tCO₂e
GHG intensity
8.2
kgCO₂e/ft²
Floor area
52,800
sq ft
Year built
1924
vintage
◆ Loading map…
85–10070–8455–691–54
This entry + 6 nearby

Local Law 84 (LL84) · reporting year 2024

Benchmarking record

FieldValue
ENERGY STAR score72 (band B)
Site EUI102.3 kBtu/ft²
Source EUI132.0 kBtu/ft²
GHG emissions435 tCO₂e
GHG intensity8.2 kgCO₂e/ft²
Electricity246,085 kWh
Natural gas2,309 therms
Water use3,386 kgal
Gross floor area52,800 sq ft
Source recordnyc:6808783:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest72-25102.3 kBtu/ft²435 tCO₂e
202397+870.5 kBtu/ft²297 tCO₂e
20228991.2 kBtu/ft²365 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
52 East 97th Street
State
New York
ZIP
10029
Coordinates
40.78772, -73.95326

Within ~1 km

Nearby benchmarked buildings

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

How does Mt. Sinai - 52 East 97th 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. Mt. Sinai - 52 East 97th Street's ENERGY STAR score of 72 compares with an average of 63 across the 22,829 that report a score; it scores higher than 53% of them and lower than 46%. Its site EUI of 102.3 kBtu/ft² is about 37% 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 8.2 kgCO₂e/ft² is about 58% above the group average of 5.2 kgCO₂e/ft².

At 52,800 sq ft, it is about half of the average floor area of 100,951 sq ft for those buildings. It was built in 1924, 28 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 Mt. Sinai - 52 East 97th Street's energy performance changed over time?

BuildingCensus holds 3 New York City disclosures for Mt. Sinai - 52 East 97th Street, covering report years 2022–2024. Its ENERGY STAR score went from 89 in 2022 to 72 in 2024 (-17 points); its best year on file was 2023, at 97. Site EUI moved from 91.2 kBtu/ft² (2022) to 102.3 kBtu/ft² (2024), an 12% increase. Reported emissions went from 365 tCO₂e to 435 tCO₂e over the same span (up 19%).

What does an ENERGY STAR score of 72 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 72 means the building performs better than about 72% of its national peers. BuildingCensus bands the score into report-card grades; 72 falls in band B — above median (70–84). It sits 3 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. Mt. Sinai - 52 East 97th Street's 102.3 kBtu/ft² across 52,800 sq ft works out to about 5.4 billion Btu (1,583 MWh-equivalent) in 2024. Its source EUI of 132.0 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 246,085 kWh of electricity, 2,309 therms of natural gas and 3,386 thousand gallons of water for the year.

Which law requires Mt. Sinai - 52 East 97th Street to report its energy use?

Mt. Sinai - 52 East 97th 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:6808783:2024). 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 Mt. Sinai - 52 East 97th Street's energy grade?

Mt. Sinai - 52 East 97th Street scores 72 out of 100 on ENERGY STAR — band B, above median (70–84) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.

How much energy does Mt. Sinai - 52 East 97th Street use?

Its 2024 site energy-use intensity was 102.3 kBtu/ft² (132.0 kBtu/ft² source) across 52,800 sq ft, including 246,085 kWh of electricity and 2,309 therms of natural gas.

What are Mt. Sinai - 52 East 97th Street's carbon emissions?

Mt. Sinai - 52 East 97th Street reported 435 tCO₂e of greenhouse-gas emissions (8.2 kgCO₂e/ft²) for 2024.

Where is Mt. Sinai - 52 East 97th Street?

Mt. Sinai - 52 East 97th Street is in New York City, New York 10029. Its coordinates are 40.78772, -73.95326 (latitude, longitude), as published in the Energy and Water Data Disclosure file.

How big is Mt. Sinai - 52 East 97th Street and when was it built?

Mt. Sinai - 52 East 97th Street has 52,800 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1924 as its year built. It is classed as multifamily housing.

Is Mt. Sinai - 52 East 97th 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, “Mt. Sinai - 52 East 97th Street, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/mt-sinai-52-east-97th-street-c523471a (data as of October 2, 2026).