100 First Plaza
Commercial in San Francisco, CA · 100 1ST ST · 94105
SF Environment Code Chapter 20 · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 82 (band B) |
| Site EUI | 35.5 kBtu/ft² |
| Source EUI | 97.7 kBtu/ft² |
| GHG emissions | 973 tCO₂e |
| GHG intensity | 2.0 kgCO₂e/ft² |
| Electricity | 4,862,136 kWh |
| Natural gas | 4,677 therms |
| Gross floor area | 523,862 sq ft |
| Source record | sf:3721/001:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 82 | -2 | 35.5 kBtu/ft² | 973 tCO₂e |
| 2024 | 84 | -2 | 35.0 kBtu/ft² | 1,109 tCO₂e |
| 2023 | 86 | -3 | 31.9 kBtu/ft² | 1,138 tCO₂e |
| 2022 | 89 | 28.5 kBtu/ft² | 985 tCO₂e | |
| 2021 | — | 24.7 kBtu/ft² | 757 tCO₂e | |
| 2020 | — | 27.2 kBtu/ft² | 911 tCO₂e | |
| 2019 | 86 | -1 | 42.1 kBtu/ft² | 1,490 tCO₂e |
| 2018 | 87 | -5 | 34.9 kBtu/ft² | 1,235 tCO₂e |
| 2017 | 92 | ±0 | 39.9 kBtu/ft² | 1,520 tCO₂e |
| 2016 | 92 | +2 | 40.0 kBtu/ft² | 1,728 tCO₂e |
| 2015 | 90 | -2 | 42.3 kBtu/ft² | 1,723 tCO₂e |
| 2014 | 92 | +2 | 41.2 kBtu/ft² | 1,695 tCO₂e |
| 2013 | 90 | -1 | 45.9 kBtu/ft² | 1,872 tCO₂e |
| 2012 | 91 | -1 | 44.3 kBtu/ft² | 1,866 tCO₂e |
| 2011 | 92 | 43.0 kBtu/ft² | 1,812 tCO₂e |
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
- 100 1ST ST
- City
- San Francisco
- State
- California
- ZIP
- 94105
- Coordinates
- 37.78949, -122.39759
Within ~1 km
Nearby benchmarked buildings
- 555 Californiascore 75
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- One Market Plazascore 80
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- One Market Plazascore 79
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- 555 California Streetscore 76
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- 500 BATTERY STscore —
Mixed Residential · 1,779,579 sq ft
See also: most efficient in San Francisco · biggest emitters
Frequently asked questions
What is 100 First Plaza's energy grade?
100 First Plaza scores 82 out of 100 on ENERGY STAR — band B (Above median (70–84)) — in its 2025 San Francisco disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 100 First Plaza use?
Its 2025 site energy-use intensity was 35.5 kBtu/ft² (97.7 kBtu/ft² source) across 523,862 sq ft, including 4,862,136 kWh of electricity and 4,677 therms of natural gas.
What are 100 First Plaza's carbon emissions?
100 First Plaza reported 973 tCO₂e of greenhouse-gas emissions (2.0 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:3721/001:2025.