123 William Street
Office in New York City, NY · 10038
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 83 (band B) |
| Site EUI | 55.9 kBtu/ft² |
| Source EUI | 115.3 kBtu/ft² |
| GHG emissions | 2,672 tCO₂e |
| GHG intensity | 5.1 kgCO₂e/ft² |
| Electricity | 4,717,085 kWh |
| Natural gas | 37,502 therms |
| Water use | 8,053 kgal |
| Gross floor area | 522,331 sq ft |
| Source record | nyc:6803609:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 83 | -5 | 55.9 kBtu/ft² | 2,672 tCO₂e |
| 2023 | 88 | -1 | 47.7 kBtu/ft² | 2,261 tCO₂e |
| 2022 | 89 | 44.4 kBtu/ft² | 1,787 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 owner listed in the disclosure.
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Location
- Address
- 123 William Street
- City
- New York City
- State
- New York
- ZIP
- 10038
- Coordinates
- 40.70911, -74.00689
Within ~1 km
Nearby benchmarked buildings
- 55 Waterscore 78
Office · 3,486,407 sq ft
Office · 2,542,563 sq ft
- One Liberty Plaza (149 BROADWAY)score 75
Office · 2,346,193 sq ft
- 28 Libertyscore 59
Financial Office · 2,200,000 sq ft
- 200 West Streetscore 83
Financial Office · 2,030,382 sq ft
- 120 Broadway Holdings, LLCscore 78
Office · 1,910,503 sq ft
See also: most efficient in New York City · biggest emitters
Frequently asked questions
What is 123 William Street's energy grade?
123 William Street scores 83 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 123 William Street use?
Its 2024 site energy-use intensity was 55.9 kBtu/ft² (115.3 kBtu/ft² source) across 522,331 sq ft, including 4,717,085 kWh of electricity and 37,502 therms of natural gas.
What are 123 William Street's carbon emissions?
123 William Street reported 2,672 tCO₂e of greenhouse-gas emissions (5.1 kgCO₂e/ft²) for 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.
Dataset updated . Source: Energy and Water Data Disclosure disclosure, record nyc:6803609:2024.