606 W 122 St (Knox Hall)
College/University in New York City, NY · 606 W 122 St · 10025
At a glance
606 W 122 St (Knox Hall) is a 52,009-square-foot college/university building in New York City, New York, built in 1908. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 49.5 kBtu/ft² and 255 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 49.5 kBtu/ft² |
| Source EUI | 116.1 kBtu/ft² |
| GHG emissions | 255 tCO₂e |
| GHG intensity | 4.9 kgCO₂e/ft² |
| Electricity | 558,962 kWh |
| Natural gas | 6,649 therms |
| Gross floor area | 52,009 sq ft |
| Source record | nyc:33922607:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 49.5 kBtu/ft² | 255 tCO₂e | |
| 2023 | — | 176.1 kBtu/ft² | 2,194 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
- 606 W 122 St
- City
- New York City
- State
- New York
- ZIP
- 10025
- Coordinates
- 40.81204, -73.96162
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 606 W 122 St (Knox Hall) compare with other college/university buildings in New York City?
The latest disclosures cover 553 college/university buildings in New York City, out of 48,310 buildings citywide. Its site EUI of 49.5 kBtu/ft² is about half of the average of 94.5 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 4.9 kgCO₂e/ft² is about 18% below the group average of 6.0 kgCO₂e/ft².
At 52,009 sq ft, it is about 74% below the average floor area of 202,329 sq ft for those buildings. It was built in 1908, 39 years earlier than the group's average year built (1947). Across all 24 jurisdictions BuildingCensus covers, the 2,113 college/university buildings average an ENERGY STAR score of 68 and a site EUI of 98.7 kBtu/ft².
How has 606 W 122 St (Knox Hall)'s energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for 606 W 122 St (Knox Hall), covering report years 2023–2024. Site EUI moved from 176.1 kBtu/ft² (2023) to 49.5 kBtu/ft² (2024), a 72% decrease. Reported emissions went from 2,194 tCO₂e to 255 tCO₂e over the same span (down 88%).
What does a site EUI of 49.5 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. 606 W 122 St (Knox Hall)'s 49.5 kBtu/ft² across 52,009 sq ft works out to about 2.6 billion Btu (754 MWh-equivalent) in 2024. Its source EUI of 116.1 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 558,962 kWh of electricity and 6,649 therms of natural gas for the year.
Which law requires 606 W 122 St (Knox Hall) to report its energy use?
606 W 122 St (Knox Hall) 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:33922607:2024). 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 college/university buildings in New York City
- St Vincent· 51,250 sq ft
- 240-250 Jay Street· 51,026 sq ft · EUI 39.2 kBtu/ft²
- 335 W 16· 50,607 sq ft · EUI 108.7 kBtu/ft²
- Pless Hall· 49,647 sq ft · EUI 49.5 kBtu/ft²
- Benchmarking Group - 55· 49,590 sq ft · EUI 53.1 kBtu/ft²
- CUNY SC > QC_70_Queens College: Jefferson Hall· 49,301 sq ft
- College/University buildings in New York City· 553 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 606 W 122 St (Knox Hall)'s energy grade?
606 W 122 St (Knox Hall) did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 49.5 kBtu/ft².
How much energy does 606 W 122 St (Knox Hall) use?
Its 2024 site energy-use intensity was 49.5 kBtu/ft² (116.1 kBtu/ft² source) across 52,009 sq ft, including 558,962 kWh of electricity and 6,649 therms of natural gas.
What are 606 W 122 St (Knox Hall)'s carbon emissions?
606 W 122 St (Knox Hall) reported 255 tCO₂e of greenhouse-gas emissions (4.9 kgCO₂e/ft²) for 2024.
Where is 606 W 122 St (Knox Hall)?
606 W 122 St (Knox Hall) is in New York City, New York 10025. Its coordinates are 40.81204, -73.96162 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 606 W 122 St (Knox Hall) and when was it built?
606 W 122 St (Knox Hall) has 52,009 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1908 as its year built. It is classed as college/university.
Is 606 W 122 St (Knox Hall) 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, “606 W 122 St (Knox Hall), New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/606-w-122-st-knox-hall-f2670e6e (data as of October 2, 2026).