HJ Kalikow - 101 Park Ave
Office in New York City, NY · 101 Park Avenue · 10017
At a glance
HJ Kalikow - 101 Park Ave is a 1,088,389-square-foot office building at 101 Park Avenue in New York City, New York, built in 1982. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 71 out of 100 (grade B), a site energy-use intensity of 73.4 kBtu/ft² and 7,871 tCO₂e of greenhouse-gas emissions. That score is higher than 36% 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 | 71 (band B) |
| Site EUI | 73.4 kBtu/ft² |
| Source EUI | 165.7 kBtu/ft² |
| GHG emissions | 7,871 tCO₂e |
| GHG intensity | 7.2 kgCO₂e/ft² |
| Electricity | 15,452,133 kWh |
| Natural gas | 3,097 therms |
| Water use | 14,419 kgal |
| Gross floor area | 1,088,389 sq ft |
| Source record | nyc:4230686:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 71 | +1 | 73.4 kBtu/ft² | 7,871 tCO₂e |
| 2023 | 70 | +4 | 59.9 kBtu/ft² | 7,050 tCO₂e |
| 2022 | 66 | 66.5 kBtu/ft² | 6,418 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
- 101 Park Avenue
- City
- New York City
- State
- New York
- ZIP
- 10017
- Coordinates
- 40.75099, -73.97849
Within ~1 km
Nearby benchmarked buildings
- Metlife Building (200 Park)score 69
Office · 2,993,388 sq ft
Office · 2,862,565 sq ft
- ESRT - Empire State Buildingscore 78
Office · 2,852,257 sq ft
- One Bryant Parkscore 62
Financial Office · 2,237,686 sq ft
- 1211 Avenue of the Americasscore 56
Office · 2,023,847 sq ft
- 1211 Avenue of the Americasscore —
Office · 2,005,345 sq ft
See also: most efficient in New York City · biggest emitters
How does HJ Kalikow - 101 Park 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. HJ Kalikow - 101 Park Ave's ENERGY STAR score of 71 compares with an average of 72 across the 2,519 that report a score; it scores higher than 36% of them and lower than 62%. Its site EUI of 73.4 kBtu/ft² is about 14% 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 7.2 kgCO₂e/ft² is about 25% above the group average of 5.8 kgCO₂e/ft².
At 1,088,389 sq ft, it is about 430% above the average floor area of 205,440 sq ft for those buildings. It was built in 1982, 42 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 HJ Kalikow - 101 Park Ave's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for HJ Kalikow - 101 Park Ave, covering report years 2022–2024. Its ENERGY STAR score went from 66 in 2022 to 71 in 2024 (+5 points). Site EUI moved from 66.5 kBtu/ft² (2022) to 73.4 kBtu/ft² (2024), an 10% increase. Reported emissions went from 6,418 tCO₂e to 7,871 tCO₂e over the same span (up 23%).
What does an ENERGY STAR score of 71 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 71 means the building performs better than about 71% of its national peers. BuildingCensus bands the score into report-card grades; 71 falls in band B — above median (70–84). It sits 4 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. HJ Kalikow - 101 Park Ave's 73.4 kBtu/ft² across 1,088,389 sq ft works out to about 79.9 billion Btu (23,413 MWh-equivalent) in 2024. Its source EUI of 165.7 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 15,452,133 kWh of electricity, 3,097 therms of natural gas and 14,419 thousand gallons of water for the year.
Which law requires HJ Kalikow - 101 Park Ave to report its energy use?
HJ Kalikow - 101 Park 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:4230686:2024). 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
- 622 3rd Avenue· 1,088,000 sq ft · EUI 78.0 kBtu/ft²
- 14 Wall Street· 1,087,770 sq ft · score 36 (D)
- 450 Lexington Avenue· 1,082,094 sq ft · score 86 (A)
- 59 Maiden Lane· 1,073,000 sq ft · score 64 (C)
- 59 Maiden Lane· 1,073,000 sq ft · score 71 (B)
- Copy of ESRT - 10 Union Square - Retail_LL84 Submission· 1,071,823 sq ft · score 61 (C)
- 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 HJ Kalikow - 101 Park Ave's energy grade?
HJ Kalikow - 101 Park Ave scores 71 out of 100 on ENERGY STAR — band B, above median (70–84) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does HJ Kalikow - 101 Park Ave use?
Its 2024 site energy-use intensity was 73.4 kBtu/ft² (165.7 kBtu/ft² source) across 1,088,389 sq ft, including 15,452,133 kWh of electricity and 3,097 therms of natural gas.
What are HJ Kalikow - 101 Park Ave's carbon emissions?
HJ Kalikow - 101 Park Ave reported 7,871 tCO₂e of greenhouse-gas emissions (7.2 kgCO₂e/ft²) for 2024.
Where is HJ Kalikow - 101 Park Ave?
HJ Kalikow - 101 Park Ave is at 101 Park Avenue, in New York City, New York 10017. Its coordinates are 40.75099, -73.97849 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is HJ Kalikow - 101 Park Ave and when was it built?
HJ Kalikow - 101 Park Ave has 1,088,389 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1982 as its year built. It is classed as office.
Is HJ Kalikow - 101 Park 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, “HJ Kalikow - 101 Park Ave, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/hj-kalikow-101-park-ave-14ec0984 (data as of October 2, 2026).