(p) 520 8th Ave
Office in New York City, NY · 520 8th AVe · 10018
At a glance
(p) 520 8th Ave is a 814,025-square-foot office building at 520 8th AVe in New York City, New York, built in 1926. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 45.7 kBtu/ft² and 3,628 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 45.7 kBtu/ft² |
| Source EUI | 96.6 kBtu/ft² |
| GHG emissions | 3,628 tCO₂e |
| GHG intensity | 4.5 kgCO₂e/ft² |
| Electricity | 6,698,983 kWh |
| Natural gas | 33,156 therms |
| Gross floor area | 814,025 sq ft |
| Source record | nyc:1429866:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 45.7 kBtu/ft² | 3,628 tCO₂e | |
| 2023 | 90 | +4 | 45.5 kBtu/ft² | 3,468 tCO₂e |
| 2022 | 86 | 55.9 kBtu/ft² | 3,530 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
- 520 8th AVe
- City
- New York City
- State
- New York
- ZIP
- 10018
- Coordinates
- 40.75361, -73.99242
Within ~1 km
Nearby benchmarked buildings
- Hudson Yards Cogen Campusscore —
Other · 7,739,076 sq ft
- Manhattan Westscore —
Other · 4,153,954 sq ft
- 20-30 Hudson Yardsscore —
Office · 3,810,623 sq ft
- Penn Southscore 95
Multifamily Housing · 3,391,963 sq ft
- 50 Hudson Yardsscore 76
Office · 2,944,455 sq ft
- ESRT - Empire State Buildingscore 78
Office · 2,852,257 sq ft
See also: most efficient in New York City · biggest emitters
How does (p) 520 8th Ave 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. Its site EUI of 45.7 kBtu/ft² is about 29% below the average of 64.5 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 4.5 kgCO₂e/ft² is about 23% below the group average of 5.8 kgCO₂e/ft².
At 814,025 sq ft, it is about 296% above the average floor area of 205,440 sq ft for those buildings. It was built in 1926, 14 years earlier 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 (p) 520 8th Ave's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for (p) 520 8th Ave, covering report years 2022–2024. Its ENERGY STAR score went from 86 in 2022 to 90 in 2023 (+4 points). Site EUI moved from 55.9 kBtu/ft² (2022) to 45.7 kBtu/ft² (2024), a 18% decrease. Reported emissions went from 3,530 tCO₂e to 3,628 tCO₂e over the same span (up 3%).
What does a site EUI of 45.7 kBtu/ft² mean?
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. (p) 520 8th Ave's 45.7 kBtu/ft² across 814,025 sq ft works out to about 37.2 billion Btu (10,903 MWh-equivalent) in 2024. Its source EUI of 96.6 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 6,698,983 kWh of electricity and 33,156 therms of natural gas for the year.
Which law requires (p) 520 8th Ave to report its energy use?
(p) 520 8th Ave 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:1429866:2024). 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
- ESRT - 111 West 33rd Street (112 WEST 34 STREET)· 806,417 sq ft · score 87 (A)
- 330 Madison Avenue· 806,272 sq ft
- 375 Pearl Street - data· 805,989 sq ft · score 2 (D)
- 498 7th-RDA· 803,800 sq ft · score 74 (B)
- Sage Realty - 437 Madison Avenue· 800,694 sq ft · score 49 (D)
- CBRE - 110 William Street· 788,241 sq ft · EUI 45.1 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 (p) 520 8th Ave's energy grade?
(p) 520 8th Ave did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 45.7 kBtu/ft².
How much energy does (p) 520 8th Ave use?
Its 2024 site energy-use intensity was 45.7 kBtu/ft² (96.6 kBtu/ft² source) across 814,025 sq ft, including 6,698,983 kWh of electricity and 33,156 therms of natural gas.
What are (p) 520 8th Ave's carbon emissions?
(p) 520 8th Ave reported 3,628 tCO₂e of greenhouse-gas emissions (4.5 kgCO₂e/ft²) for 2024.
Where is (p) 520 8th Ave?
(p) 520 8th Ave is at 520 8th AVe, in New York City, New York 10018. Its coordinates are 40.75361, -73.99242 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is (p) 520 8th Ave and when was it built?
(p) 520 8th Ave has 814,025 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1926 as its year built. It is classed as office.
Is (p) 520 8th Ave 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, “(p) 520 8th Ave, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/p-520-8th-ave-049cba15 (data as of October 2, 2026).