300 Park Ave So, LLC
Office in New York City, NY · 300 Park Ave South · 10010
At a glance
300 Park Ave So, LLC is a 168,200-square-foot office building at 300 Park Ave South in New York City, New York, built in 1910. In its 2023 New York City benchmarking disclosure it reported an ENERGY STAR score of 72 out of 100 (grade B), a site energy-use intensity of 60.2 kBtu/ft² and 975 tCO₂e of greenhouse-gas emissions. That score is higher than 38% of the 2,519 scored office buildings in New York City.
Local Law 84 (LL84) · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 72 (band B) |
| Site EUI | 60.2 kBtu/ft² |
| Source EUI | 129.6 kBtu/ft² |
| GHG emissions | 975 tCO₂e |
| GHG intensity | 5.8 kgCO₂e/ft² |
| Electricity | 1,894,251 kWh |
| Natural gas | 19 therms |
| Water use | 953 kgal |
| Gross floor area | 168,200 sq ft |
| Source record | nyc:6804813:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | 72 | +10 | 60.2 kBtu/ft² | 975 tCO₂e |
| 2022 | 62 | 63.1 kBtu/ft² | 1,003 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
- 300 Park Ave South
- City
- New York City
- State
- New York
- ZIP
- 10010
- Coordinates
- 40.73995, -73.98655
Within ~1 km
Nearby benchmarked buildings
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- 11 Madison Avenuescore 77
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- 51 Madisonscore 79
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- One Madison Avenuescore —
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- ConEd Irving Placescore 55
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See also: most efficient in New York City · biggest emitters
How does 300 Park Ave So, LLC 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. 300 Park Ave So, LLC's ENERGY STAR score of 72 compares with an average of 72 across the 2,519 that report a score; it scores higher than 38% of them and lower than 61%. Its site EUI of 60.2 kBtu/ft² is roughly in line with 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 5.8 kgCO₂e/ft² is roughly in line with the group average of 5.8 kgCO₂e/ft².
At 168,200 sq ft, it is about 18% below the average floor area of 205,440 sq ft for those buildings. It was built in 1910, 30 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 300 Park Ave So, LLC's energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for 300 Park Ave So, LLC, covering report years 2022–2023. Its ENERGY STAR score went from 62 in 2022 to 72 in 2023 (+10 points). Site EUI moved from 63.1 kBtu/ft² (2022) to 60.2 kBtu/ft² (2023), a 5% decrease. Reported emissions went from 1,003 tCO₂e to 975 tCO₂e over the same span (down 3%).
What does an ENERGY STAR score of 72 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 72 means the building performs better than about 72% of its national peers. BuildingCensus bands the score into report-card grades; 72 falls in band B — above median (70–84). It sits 3 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. 300 Park Ave So, LLC's 60.2 kBtu/ft² across 168,200 sq ft works out to about 10.1 billion Btu (2,968 MWh-equivalent) in 2023. Its source EUI of 129.6 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,894,251 kWh of electricity, 19 therms of natural gas and 953 thousand gallons of water for the year.
Which law requires 300 Park Ave So, LLC to report its energy use?
300 Park Ave So, LLC 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 2023 disclosure (source record nyc:6804813:2023). 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
- 401 Fifth Avenue - Upward· 168,164 sq ft · score 59 (C)
- The Blanchard· 168,000 sq ft · score 91 (A)
- 489 5th Avenue· 167,075 sq ft · score 72 (B)
- 218 W 40th Street· 166,315 sq ft · EUI 35.8 kBtu/ft²
- 820 2nd Avenue· 165,969 sq ft · score 90 (A)
- CBS-513· 165,625 sq ft · score 1 (D)
- 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 300 Park Ave So, LLC's energy grade?
300 Park Ave So, LLC scores 72 out of 100 on ENERGY STAR — band B, above median (70–84) — in its 2023 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 300 Park Ave So, LLC use?
Its 2023 site energy-use intensity was 60.2 kBtu/ft² (129.6 kBtu/ft² source) across 168,200 sq ft, including 1,894,251 kWh of electricity and 19 therms of natural gas.
What are 300 Park Ave So, LLC's carbon emissions?
300 Park Ave So, LLC reported 975 tCO₂e of greenhouse-gas emissions (5.8 kgCO₂e/ft²) for 2023.
Where is 300 Park Ave So, LLC?
300 Park Ave So, LLC is at 300 Park Ave South, in New York City, New York 10010. Its coordinates are 40.73995, -73.98655 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 300 Park Ave So, LLC and when was it built?
300 Park Ave So, LLC has 168,200 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1910 as its year built. It is classed as office.
Is 300 Park Ave So, LLC covered by Local Law 84 (LL84)?
Yes — it appears in the 2023 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, “300 Park Ave So, LLC, New York City, New York — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/300-park-ave-so-llc-f3b10b38 (data as of October 2, 2026).