840-50 St. Marks Avenue
Multifamily Housing in New York City, NY · 850 SAINT MARKS AVE · 11213
At a glance
840-50 St. Marks Avenue is a 66,222-square-foot multifamily housing building at 850 SAINT MARKS AVE in New York City, New York, built in 1926.
Local Law 84 (LL84) · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | — |
| Source EUI | — |
| GHG emissions | — |
| GHG intensity | — |
| Electricity | 192,272 kWh |
| Natural gas | 2,755 therms |
| Gross floor area | 66,222 sq ft |
| Source record | nyc:6260853:2023 |
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
- 850 SAINT MARKS AVE
- City
- New York City
- State
- New York
- ZIP
- 11213
- Coordinates
- 40.67492, -73.94487
Within ~1 km
Nearby benchmarked buildings
Hospital (General Medical & Surgical) · 395,142 sq ft
- IMC - Main/North/Southscore —
Hospital (General Medical & Surgical) · 342,757 sq ft
- Risley Dent Towersscore 91
Multifamily Housing · 278,208 sq ft
- 1163 Carroll Streetscore 8
Multifamily Housing · 243,210 sq ft
- 1185 Carroll Stscore 3
Multifamily Housing · 221,100 sq ft
- AKAM - 1485 Pacific Streetscore 9
K-12 School · 191,385 sq ft
See also: most efficient in New York City · biggest emitters
How does 840-50 St. Marks Avenue 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 66,222 sq ft, it is about 34% below the average floor area of 100,951 sq ft for those buildings. It was built in 1926, 26 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.
Which law requires 840-50 St. Marks Avenue to report its energy use?
840-50 St. Marks 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 2023 disclosure (source record nyc:6260853:2023). 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
- Orsid - 85-11 Lefferts Boulevard· 66,216 sq ft · score 96 (A)
- 460 West 155th Street· 66,216 sq ft · score 71 (B)
- A&E - Queens - 44-08 47 Avenue (4)· 66,216 sq ft · score 82 (B)
- 261 West 112th Street· 66,215 sq ft
- The Lore Condominium· 66,215 sq ft · score 99 (A)
- A01220 - The Lore Condominium· 66,215 sq ft · score 98 (A)
- 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 840-50 St. Marks Avenue's energy grade?
840-50 St. Marks Avenue did not report an ENERGY STAR score in its 2023 disclosure.
How much energy does 840-50 St. Marks Avenue use?
No energy-use intensity was reported for 2023.
What are 840-50 St. Marks Avenue's carbon emissions?
No greenhouse-gas emissions figure was reported for 2023.
Where is 840-50 St. Marks Avenue?
840-50 St. Marks Avenue is at 850 SAINT MARKS AVE, in New York City, New York 11213. Its coordinates are 40.67492, -73.94487 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 840-50 St. Marks Avenue and when was it built?
840-50 St. Marks Avenue has 66,222 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1926 as its year built. It is classed as multifamily housing.
Is 840-50 St. Marks Avenue 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).
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, “840-50 St. Marks Avenue, New York City, New York — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/840-50-st-marks-avenue-9e9c7e2f (data as of October 2, 2026).