345 East 93rd Street (Mill Rock Owners Corp.)
Multifamily Housing in New York City, NY · 345 East 93rd Street · 10128
At a glance
345 East 93rd Street (Mill Rock Owners Corp.) is a 320,070-square-foot multifamily housing building in New York City, New York, built in 1974.
Local Law 84 (LL84) · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | — |
| Source EUI | — |
| GHG emissions | — |
| GHG intensity | — |
| Natural gas | 51,944 therms |
| Gross floor area | 320,070 sq ft |
| Source record | nyc:10857370:2023 |
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.
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
- 345 East 93rd Street
- City
- New York City
- State
- New York
- ZIP
- 10128
- Coordinates
- 40.78150, -73.94655
Within ~1 km
Nearby benchmarked buildings
- WASHINGTON Bldgs 1-4, 15score —
Multifamily Housing · 3,094,106 sq ft
- WASHINGTONscore 30
Multifamily Housing · 1,404,388 sq ft
- WASHINGTON Bldgs 5-10score —
Multifamily Housing · 1,404,388 sq ft
Multifamily Housing · 1,384,883 sq ft
- CARVER Bldgs 1-6score 12
Multifamily Housing · 1,164,050 sq ft
- Benchmarking Group - 7score 98
Hospital (General Medical & Surgical) · 1,068,030 sq ft
See also: most efficient in New York City · biggest emitters
How does 345 East 93rd Street (Mill Rock Owners Corp.) 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 320,070 sq ft, it is about 217% above the average floor area of 100,951 sq ft for those buildings. It was built in 1974, 22 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.
Which law requires 345 East 93rd Street (Mill Rock Owners Corp.) to report its energy use?
345 East 93rd Street (Mill Rock Owners Corp.) 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 2023 disclosure (source record nyc:10857370:2023). 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
- DEPM 2020 PARENT - 83-85 Woodhaven Blvd· 320,066 sq ft · score 84 (B)
- Stellar - 49-57 Crown Street· 320,000 sq ft · score 12 (D)
- 40 Broad Street (40 Broad St)· 319,910 sq ft · score 18 (D)
- 4th Corp - K Buildings (5740,139)· 319,886 sq ft · score 7 (D)
- DEPM 7512 - 101 West 24th St· 319,834 sq ft · score 22 (D)
- Dermot - 520 West 43rd Street (Landon)· 319,759 sq ft · score 25 (D)
- Multifamily Housing buildings in New York City· 33,022 benchmarked
- All New York City benchmarked buildings· Local Law 84 (LL84)
- Most efficient large buildings in New York City
- Least efficient large buildings in New York City
- Biggest emitters in New York City
Frequently asked questions
What is 345 East 93rd Street (Mill Rock Owners Corp.)'s energy grade?
345 East 93rd Street (Mill Rock Owners Corp.) did not report an ENERGY STAR score in its 2023 disclosure.
How much energy does 345 East 93rd Street (Mill Rock Owners Corp.) use?
No energy-use intensity was reported for 2023.
What are 345 East 93rd Street (Mill Rock Owners Corp.)'s carbon emissions?
No greenhouse-gas emissions figure was reported for 2023.
Where is 345 East 93rd Street (Mill Rock Owners Corp.)?
345 East 93rd Street (Mill Rock Owners Corp.) is in New York City, New York 10128. Its coordinates are 40.78150, -73.94655 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 345 East 93rd Street (Mill Rock Owners Corp.) and when was it built?
345 East 93rd Street (Mill Rock Owners Corp.) has 320,070 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1974 as its year built. It is classed as multifamily housing.
Is 345 East 93rd Street (Mill Rock Owners Corp.) covered by Local Law 84 (LL84)?
Yes — it appears in the 2023 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, “345 East 93rd Street (Mill Rock Owners Corp.), New York City, New York — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/345-east-93rd-street-mill-rock-owners-corp-69f74037 (data as of October 2, 2026).