345 WILLIAMS AVE
Commercial in San Francisco, CA · 94124
SF Environment Code Chapter 20 · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 96 (band A) |
| Site EUI | 69.2 kBtu/ft² |
| Source EUI | 193.8 kBtu/ft² |
| GHG emissions | 179 tCO₂e |
| GHG intensity | 4.0 kgCO₂e/ft² |
| Electricity | 918,799 kWh |
| Gross floor area | 45,287 sq ft |
| Source record | sf:5423A/009:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 96 | -2 | 69.2 kBtu/ft² | 179 tCO₂e |
| 2024 | 98 | ±0 | 61.6 kBtu/ft² | 160 tCO₂e |
| 2023 | 98 | +2 | 63.1 kBtu/ft² | 163 tCO₂e |
| 2022 | 96 | +1 | 68.0 kBtu/ft² | 204 tCO₂e |
| 2021 | 95 | ±0 | 71.6 kBtu/ft² | 196 tCO₂e |
| 2020 | 95 | +1 | 74.7 kBtu/ft² | 232 tCO₂e |
| 2019 | 94 | +1 | 78.2 kBtu/ft² | 250 tCO₂e |
| 2018 | 93 | 81.4 kBtu/ft² | 260 tCO₂e | |
| 2017 | — | — | — | |
| 2016 | — | — | — | |
| 2015 | — | — | — | |
| 2014 | — | — | — | |
| 2013 | — | — | — | |
| 2012 | — | — | — |
Compliance context
SF Environment Code Chapter 20
San Francisco's ordinance requires annual benchmarking for commercial buildings over 10,000 sq ft, with administrative penalties for buildings that fail to report.
Ownership
No owner listed in the disclosure.
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Location
- Address
- 345 WILLIAMS AVE
- City
- San Francisco
- State
- California
- ZIP
- 94124
- Coordinates
- 37.72981, -122.39925
Within ~1 km
Nearby benchmarked buildings
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- 200 Paul Ave (Sfo10)score —
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- 5830 03RD STscore —
Mixed Residential · 348,553 sq ft
- Waterbendscore 100
Multifamily · 255,094 sq ft
- U-Haul Moving & Storage At Candlestick (708066) (500 Paul Ave)score —
Self-Storage Facility · 235,493 sq ft
- Waterbend (Wb30)score 100
Multifamily Housing · 198,258 sq ft
See also: most efficient in San Francisco · biggest emitters
Frequently asked questions
What is 345 WILLIAMS AVE's energy grade?
345 WILLIAMS AVE scores 96 out of 100 on ENERGY STAR — band A (High performer (85–100)) — in its 2025 San Francisco disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 345 WILLIAMS AVE use?
Its 2025 site energy-use intensity was 69.2 kBtu/ft² (193.8 kBtu/ft² source) across 45,287 sq ft, including 918,799 kWh of electricity.
What are 345 WILLIAMS AVE's carbon emissions?
345 WILLIAMS AVE reported 179 tCO₂e of greenhouse-gas emissions (4.0 kgCO₂e/ft²) for 2025. San Francisco's ordinance requires annual benchmarking for commercial buildings over 10,000 sq ft, with administrative penalties for buildings that fail to report.
Dataset updated . Source: Existing Buildings Energy Performance Ordinance disclosure, record sf:5423A/009:2025.