The Mills Building
Commercial in San Francisco, CA · 220 BUSH ST · 94104
SF Environment Code Chapter 20 · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 93 (band A) |
| Site EUI | 27.3 kBtu/ft² |
| Source EUI | 51.3 kBtu/ft² |
| GHG emissions | 898 tCO₂e |
| GHG intensity | 1.5 kgCO₂e/ft² |
| Electricity | 2,274,297 kWh |
| Natural gas | 85,547 therms |
| Gross floor area | 628,264 sq ft |
| Source record | sf:0268/006:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 93 | -1 | 27.3 kBtu/ft² | 898 tCO₂e |
| 2024 | 94 | -4 | 27.4 kBtu/ft² | 978 tCO₂e |
| 2023 | 98 | ±0 | 27.8 kBtu/ft² | 1,006 tCO₂e |
| 2022 | 98 | 28.5 kBtu/ft² | 1,016 tCO₂e | |
| 2021 | — | 29.3 kBtu/ft² | 988 tCO₂e | |
| 2020 | — | 24.8 kBtu/ft² | 922 tCO₂e | |
| 2019 | 97 | +5 | 32.3 kBtu/ft² | 1,238 tCO₂e |
| 2018 | 92 | -6 | 40.2 kBtu/ft² | 1,567 tCO₂e |
| 2017 | 98 | ±0 | 39.2 kBtu/ft² | 1,618 tCO₂e |
| 2016 | 98 | ±0 | 38.6 kBtu/ft² | 1,773 tCO₂e |
| 2015 | 98 | +2 | 40.6 kBtu/ft² | 1,771 tCO₂e |
| 2014 | 96 | +1 | 41.6 kBtu/ft² | 1,839 tCO₂e |
| 2013 | 95 | ±0 | 46.7 kBtu/ft² | 2,144 tCO₂e |
| 2012 | 95 | +3 | 48.9 kBtu/ft² | 2,417 tCO₂e |
| 2011 | 92 | 50.4 kBtu/ft² | 2,634 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.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 220 BUSH ST
- City
- San Francisco
- State
- California
- ZIP
- 94104
- Coordinates
- 37.79139, -122.40131
Within ~1 km
Nearby benchmarked buildings
- 555 Californiascore 75
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- PGE-GO Complexscore —
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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 The Mills Building's energy grade?
The Mills Building scores 93 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 The Mills Building use?
Its 2025 site energy-use intensity was 27.3 kBtu/ft² (51.3 kBtu/ft² source) across 628,264 sq ft, including 2,274,297 kWh of electricity and 85,547 therms of natural gas.
What are The Mills Building's carbon emissions?
The Mills Building reported 898 tCO₂e of greenhouse-gas emissions (1.5 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:0268/006:2025.