350 St Marks Place - 43779
Office in New York City, NY · 350 St Marks Place · 10301
At a glance
350 St Marks Place - 43779 is a 71,148-square-foot office building in New York City, New York, built in 1964. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 65 out of 100 (grade C), a site energy-use intensity of 65.4 kBtu/ft² and 425 tCO₂e of greenhouse-gas emissions. That score is higher than 29% of the 2,519 scored office buildings in New York City.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 65 (band C) |
| Site EUI | 65.4 kBtu/ft² |
| Source EUI | 139.2 kBtu/ft² |
| GHG emissions | 425 tCO₂e |
| GHG intensity | 6.0 kgCO₂e/ft² |
| Electricity | 840,209 kWh |
| Natural gas | 17,856 therms |
| Gross floor area | 71,148 sq ft |
| Source record | nyc:5815597:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 65 | ±0 | 65.4 kBtu/ft² | 425 tCO₂e |
| 2023 | 65 | +8 | 63.2 kBtu/ft² | 402 tCO₂e |
| 2022 | 57 | 73.0 kBtu/ft² | 347 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.
Ownership
No owning organisation shown. Names of private individuals in the disclosure are not published here.
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Location
- Address
- 350 St Marks Place
- City
- New York City
- State
- New York
- ZIP
- 10301
- Coordinates
- 40.64071, -74.07770
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 350 St Marks Place - 43779 compare with other office buildings in New York City?
The latest disclosures cover 3,384 office buildings in New York City, out of 48,310 buildings citywide. 350 St Marks Place - 43779's ENERGY STAR score of 65 compares with an average of 72 across the 2,519 that report a score; it scores higher than 29% of them and lower than 70%. Its site EUI of 65.4 kBtu/ft² is roughly in line with the average of 64.5 kBtu/ft². Its emissions intensity of 6.0 kgCO₂e/ft² is roughly in line with the group average of 5.8 kgCO₂e/ft².
At 71,148 sq ft, it is about 65% below the average floor area of 205,440 sq ft for those buildings. It was built in 1964, 24 years later than the group's average year built (1940). Across all 24 jurisdictions BuildingCensus covers, the 15,264 office buildings average an ENERGY STAR score of 73 and a site EUI of 59.3 kBtu/ft².
How has 350 St Marks Place - 43779's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 350 St Marks Place - 43779, covering report years 2022–2024. Its ENERGY STAR score went from 57 in 2022 to 65 in 2024 (+8 points); its best year on file was 2023, at 65. Site EUI moved from 73.0 kBtu/ft² (2022) to 65.4 kBtu/ft² (2024), a 10% decrease. Reported emissions went from 347 tCO₂e to 425 tCO₂e over the same span (up 22%).
What does an ENERGY STAR score of 65 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 65 means the building performs better than about 65% of its national peers. BuildingCensus bands the score into report-card grades; 65 falls in band C — below median (55–69). It sits 10 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. 350 St Marks Place - 43779's 65.4 kBtu/ft² across 71,148 sq ft works out to about 4.7 billion Btu (1,364 MWh-equivalent) in 2024. Its source EUI of 139.2 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 840,209 kWh of electricity and 17,856 therms of natural gas for the year.
Which law requires 350 St Marks Place - 43779 to report its energy use?
350 St Marks Place - 43779 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:5815597:2024). 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 office buildings in New York City
- 886-892 Broadway· 70,956 sq ft · score 77 (B)
- 135 West 29th Street· 70,862 sq ft · score 93 (A)
- 353 Lexington Avenue LLC· 70,828 sq ft · score 62 (C)
- 122 West 26th Street· 70,752 sq ft · score 95 (A)
- GERSON: 39-01 MAIN STREET· 70,581 sq ft · EUI 88.4 kBtu/ft²
- AJC National Headquarters· 70,514 sq ft · score 75 (B)
- Office buildings in New York City· 3,384 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 350 St Marks Place - 43779's energy grade?
350 St Marks Place - 43779 scores 65 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 350 St Marks Place - 43779 use?
Its 2024 site energy-use intensity was 65.4 kBtu/ft² (139.2 kBtu/ft² source) across 71,148 sq ft, including 840,209 kWh of electricity and 17,856 therms of natural gas.
What are 350 St Marks Place - 43779's carbon emissions?
350 St Marks Place - 43779 reported 425 tCO₂e of greenhouse-gas emissions (6.0 kgCO₂e/ft²) for 2024.
Where is 350 St Marks Place - 43779?
350 St Marks Place - 43779 is in New York City, New York 10301. Its coordinates are 40.64071, -74.07770 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 350 St Marks Place - 43779 and when was it built?
350 St Marks Place - 43779 has 71,148 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1964 as its year built. It is classed as office.
Is 350 St Marks Place - 43779 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).
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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, “350 St Marks Place - 43779, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/350-st-marks-place-43779-87ccf404 (data as of October 2, 2026).