51 Astor Place - old profile
Office in New York City, NY · 51 Astor Place · 10003
At a glance
51 Astor Place - old profile is a 400,000-square-foot office building in New York City, New York, built in 2012. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 69 out of 100 (grade C), a site energy-use intensity of 77.2 kBtu/ft² and 3,228 tCO₂e of greenhouse-gas emissions. That score is higher than 33% 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 | 69 (band C) |
| Site EUI | 77.2 kBtu/ft² |
| Source EUI | 189.4 kBtu/ft² |
| GHG emissions | 3,228 tCO₂e |
| GHG intensity | 8.1 kgCO₂e/ft² |
| Electricity | 7,084,721 kWh |
| Gross floor area | 400,000 sq ft |
| Source record | nyc:4862724:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 69 | +3 | 77.2 kBtu/ft² | 3,228 tCO₂e |
| 2023 | 66 | -11 | 80.9 kBtu/ft² | 3,204 tCO₂e |
| 2022 | 77 | 67.6 kBtu/ft² | 2,145 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.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 51 Astor Place
- City
- New York City
- State
- New York
- ZIP
- 10003
- Coordinates
- 40.73018, -73.99046
Within ~1 km
Nearby benchmarked buildings
College/University · 7,553,129 sq ft
College/University · 5,000,000 sq ft
- ConEd Irving Placescore 55
Office · 1,255,204 sq ft
- Village Viewscore 43
Multifamily Housing · 1,234,851 sq ft
- 770 Broadwayscore 84
Office · 1,093,389 sq ft
- Zeckendorf Towersscore —
Multifamily Housing · 989,722 sq ft
See also: most efficient in New York City · biggest emitters
How does 51 Astor Place - old profile 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. 51 Astor Place - old profile's ENERGY STAR score of 69 compares with an average of 72 across the 2,519 that report a score; it scores higher than 33% of them and lower than 65%. Its site EUI of 77.2 kBtu/ft² is about 20% above the average of 64.5 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 8.1 kgCO₂e/ft² is about 39% above the group average of 5.8 kgCO₂e/ft².
At 400,000 sq ft, it is about twice the average floor area of 205,440 sq ft for those buildings. It was built in 2012, 72 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 51 Astor Place - old profile's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 51 Astor Place - old profile, covering report years 2022–2024. Its ENERGY STAR score went from 77 in 2022 to 69 in 2024 (-8 points); its best year on file was 2022, at 77. Site EUI moved from 67.6 kBtu/ft² (2022) to 77.2 kBtu/ft² (2024), an 14% increase. Reported emissions went from 2,145 tCO₂e to 3,228 tCO₂e over the same span (up 51%).
What does an ENERGY STAR score of 69 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 69 means the building performs better than about 69% of its national peers. BuildingCensus bands the score into report-card grades; 69 falls in band C — below median (55–69). It sits 6 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. 51 Astor Place - old profile's 77.2 kBtu/ft² across 400,000 sq ft works out to about 30.9 billion Btu (9,050 MWh-equivalent) in 2024. Its source EUI of 189.4 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 7,084,721 kWh of electricity for the year.
Which law requires 51 Astor Place - old profile to report its energy use?
51 Astor Place - old profile 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:4862724:2024). 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
- 115 Broadway· 399,841 sq ft · score 84 (B)
- 600 Fifth Avenue (Bld 17)· 397,910 sq ft · score 82 (B)
- Feil - 488 Madison Avenue· 396,863 sq ft · score 77 (B)
- 261 Madison Avenue· 396,239 sq ft · score 86 (A)
- 1180 Avenue of the Americas· 396,211 sq ft
- 522 Fifth Avenue· 396,192 sq ft · EUI 46.2 kBtu/ft²
- 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 51 Astor Place - old profile's energy grade?
51 Astor Place - old profile scores 69 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 51 Astor Place - old profile use?
Its 2024 site energy-use intensity was 77.2 kBtu/ft² (189.4 kBtu/ft² source) across 400,000 sq ft, including 7,084,721 kWh of electricity.
What are 51 Astor Place - old profile's carbon emissions?
51 Astor Place - old profile reported 3,228 tCO₂e of greenhouse-gas emissions (8.1 kgCO₂e/ft²) for 2024.
Where is 51 Astor Place - old profile?
51 Astor Place - old profile is in New York City, New York 10003. Its coordinates are 40.73018, -73.99046 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 51 Astor Place - old profile and when was it built?
51 Astor Place - old profile has 400,000 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2012 as its year built. It is classed as office.
Is 51 Astor Place - old profile 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, “51 Astor Place - old profile, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/51-astor-place-old-profile-9fcd835e (data as of October 2, 2026).