The Alchemy Condominium
Multifamily Housing in New York City, NY · 40 West 13th Street · 10011
At a glance
The Alchemy Condominium is a 32,198-square-foot multifamily housing building at 40 West 13th Street in New York City, New York, built in 1920. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 46.2 kBtu/ft² and 123 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 46.2 kBtu/ft² |
| Source EUI | 87.3 kBtu/ft² |
| GHG emissions | 123 tCO₂e |
| GHG intensity | 3.8 kgCO₂e/ft² |
| Electricity | 209,021 kWh |
| Natural gas | 7,748 therms |
| Gross floor area | 32,198 sq ft |
| Source record | nyc:7463419:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 46.2 kBtu/ft² | 123 tCO₂e | |
| 2023 | — | 41.9 kBtu/ft² | 111 tCO₂e | |
| 2022 | — | 53.5 kBtu/ft² | 106 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
- 40 West 13th Street
- City
- New York City
- State
- New York
- ZIP
- 10011
- Coordinates
- 40.73588, -73.99550
Within ~1 km
Nearby benchmarked buildings
College/University · 7,553,129 sq ft
College/University · 5,000,000 sq ft
- 111 Eighth Avenuescore —
Office · 2,375,706 sq ft
- One Madison Avenuescore —
Office · 1,339,997 sq ft
- ConEd Irving Placescore 55
Office · 1,255,204 sq ft
- 770 Broadwayscore 84
Office · 1,093,389 sq ft
See also: most efficient in New York City · biggest emitters
How does The Alchemy Condominium 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 46.2 kBtu/ft² is about 38% below the average of 74.9 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 3.8 kgCO₂e/ft² is about 26% below the group average of 5.2 kgCO₂e/ft².
At 32,198 sq ft, it is about 68% below the average floor area of 100,951 sq ft for those buildings. It was built in 1920, 32 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 The Alchemy Condominium's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for The Alchemy Condominium, covering report years 2022–2024. Site EUI moved from 53.5 kBtu/ft² (2022) to 46.2 kBtu/ft² (2024), a 14% decrease. Reported emissions went from 106 tCO₂e to 123 tCO₂e over the same span (up 16%).
What does a site EUI of 46.2 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. The Alchemy Condominium's 46.2 kBtu/ft² across 32,198 sq ft works out to about 1.5 billion Btu (436 MWh-equivalent) in 2024. Its source EUI of 87.3 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 209,021 kWh of electricity and 7,748 therms of natural gas for the year.
Which law requires The Alchemy Condominium to report its energy use?
The Alchemy Condominium 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:7463419:2024). 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
- 739 Coster Street· 32,188 sq ft · score 4 (D)
- North Park Building #14· 32,187 sq ft · score 99 (A)
- Parkway - 675 West 187th St· 32,187 sq ft · EUI 112.4 kBtu/ft²
- Powertec Realty - 111-17 Northern Blvd· 32,184 sq ft · score 6 (D)
- 525 W. 133 St.· 32,181 sq ft · score 88 (A)
- 46-06 88th Street· 32,180 sq ft · score 91 (A)
- 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 The Alchemy Condominium's energy grade?
The Alchemy Condominium did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 46.2 kBtu/ft².
How much energy does The Alchemy Condominium use?
Its 2024 site energy-use intensity was 46.2 kBtu/ft² (87.3 kBtu/ft² source) across 32,198 sq ft, including 209,021 kWh of electricity and 7,748 therms of natural gas.
What are The Alchemy Condominium's carbon emissions?
The Alchemy Condominium reported 123 tCO₂e of greenhouse-gas emissions (3.8 kgCO₂e/ft²) for 2024.
Where is The Alchemy Condominium?
The Alchemy Condominium is at 40 West 13th Street, in New York City, New York 10011. Its coordinates are 40.73588, -73.99550 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is The Alchemy Condominium and when was it built?
The Alchemy Condominium has 32,198 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1920 as its year built. It is classed as multifamily housing.
Is The Alchemy Condominium 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, “The Alchemy Condominium, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/the-alchemy-condominium-97d09ea5 (data as of October 2, 2026).