18 Gramercy Park South
Multifamily Housing in New York City, NY · 18 GRAMERCY PARK S. · 10003
At a glance
18 Gramercy Park South is a 85,729-square-foot multifamily housing building at 18 GRAMERCY PARK S. in New York City, New York, built in 1927. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 79.7 kBtu/ft² and 574 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 79.7 kBtu/ft² |
| Source EUI | 143.6 kBtu/ft² |
| GHG emissions | 574 tCO₂e |
| GHG intensity | 6.7 kgCO₂e/ft² |
| Electricity | 765,454 kWh |
| Natural gas | 5,338 therms |
| Water use | 4,101 kgal |
| Gross floor area | 85,729 sq ft |
| Source record | nyc:4407800:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 79.7 kBtu/ft² | 574 tCO₂e | |
| 2023 | — | 278.4 kBtu/ft² | 1,438 tCO₂e | |
| 2022 | — | 89.4 kBtu/ft² | 464 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
- 18 GRAMERCY PARK S.
- City
- New York City
- State
- New York
- ZIP
- 10003
- Coordinates
- 40.73768, -73.98623
Within ~1 km
Nearby benchmarked buildings
- Stuyvesant Townscore 83
Multifamily Housing · 9,055,218 sq ft
College/University · 5,000,000 sq ft
- Peter Cooper Villagescore 85
Multifamily Housing · 3,015,232 sq ft
- 11 Madison Avenuescore 77
Office · 2,228,574 sq ft
- 51 Madisonscore 79
Office · 1,485,386 sq ft
- One Madison Avenuescore —
Office · 1,339,997 sq ft
See also: most efficient in New York City · biggest emitters
How does 18 Gramercy Park South compare with other multifamily housing buildings in New York City?
The latest disclosures cover 33,022 multifamily housing buildings in New York City, out of 48,310 buildings citywide. Its site EUI of 79.7 kBtu/ft² is roughly in line with the average of 74.9 kBtu/ft². Its emissions intensity of 6.7 kgCO₂e/ft² is about 29% above the group average of 5.2 kgCO₂e/ft².
At 85,729 sq ft, it is about 15% below the average floor area of 100,951 sq ft for those buildings. It was built in 1927, 25 years earlier than the group's average year built (1952). Across all 24 jurisdictions BuildingCensus covers, the 59,945 multifamily housing buildings average an ENERGY STAR score of 70 and a site EUI of 59.0 kBtu/ft².
How has 18 Gramercy Park South's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 18 Gramercy Park South, covering report years 2022–2024. Site EUI moved from 89.4 kBtu/ft² (2022) to 79.7 kBtu/ft² (2024), a 11% decrease. Reported emissions went from 464 tCO₂e to 574 tCO₂e over the same span (up 24%).
What does a site EUI of 79.7 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. 18 Gramercy Park South's 79.7 kBtu/ft² across 85,729 sq ft works out to about 6.8 billion Btu (2,002 MWh-equivalent) in 2024. Its source EUI of 143.6 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 765,454 kWh of electricity, 5,338 therms of natural gas and 4,101 thousand gallons of water for the year.
Which law requires 18 Gramercy Park South to report its energy use?
18 Gramercy Park South 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:4407800:2024). 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 multifamily housing buildings in New York City
- 111 Carlton Avenue· 85,706 sq ft · score 96 (A)
- Copy of Orsid - 186 West 80th St· 85,706 sq ft · score 26 (D)
- Orsid - 186 West 80th St (Parent)· 85,706 sq ft · EUI 109.7 kBtu/ft²
- GVS Properties IV, LLC/9ThayerSt· 85,704 sq ft · score 53 (D)
- Chestnut - 1310 Sheridan Avenue· 85,696 sq ft · score 90 (A)
- 86-39 Shore Parkway - 31873· 85,672 sq ft · score 44 (D)
- Multifamily Housing buildings in New York City· 33,022 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 18 Gramercy Park South's energy grade?
18 Gramercy Park South did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 79.7 kBtu/ft².
How much energy does 18 Gramercy Park South use?
Its 2024 site energy-use intensity was 79.7 kBtu/ft² (143.6 kBtu/ft² source) across 85,729 sq ft, including 765,454 kWh of electricity and 5,338 therms of natural gas.
What are 18 Gramercy Park South's carbon emissions?
18 Gramercy Park South reported 574 tCO₂e of greenhouse-gas emissions (6.7 kgCO₂e/ft²) for 2024.
Where is 18 Gramercy Park South?
18 Gramercy Park South is at 18 GRAMERCY PARK S., in New York City, New York 10003. Its coordinates are 40.73768, -73.98623 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 18 Gramercy Park South and when was it built?
18 Gramercy Park South has 85,729 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1927 as its year built. It is classed as multifamily housing.
Is 18 Gramercy Park South 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, “18 Gramercy Park South, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/18-gramercy-park-south-7f000eb2 (data as of October 2, 2026).