221 Main Street
Commercial in San Francisco, CA · 221 MAIN ST · 94105
SF Environment Code Chapter 20 · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 88 (band A) |
| Site EUI | 33.4 kBtu/ft² |
| Source EUI | 73.9 kBtu/ft² |
| GHG emissions | 755 tCO₂e |
| GHG intensity | 1.9 kgCO₂e/ft² |
| Electricity | 2,636,250 kWh |
| Natural gas | 45,333 therms |
| Gross floor area | 437,715 sq ft |
| Source record | sf:3740/034:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 88 | -10 | 33.4 kBtu/ft² | 755 tCO₂e |
| 2024 | 98 | +3 | 30.4 kBtu/ft² | 756 tCO₂e |
| 2023 | 95 | ±0 | 33.6 kBtu/ft² | 869 tCO₂e |
| 2022 | 95 | 33.4 kBtu/ft² | 864 tCO₂e | |
| 2021 | — | 37.0 kBtu/ft² | 862 tCO₂e | |
| 2020 | — | 34.4 kBtu/ft² | 866 tCO₂e | |
| 2019 | 96 | ±0 | 43.7 kBtu/ft² | 1,095 tCO₂e |
| 2018 | 96 | ±0 | 40.2 kBtu/ft² | 1,012 tCO₂e |
| 2017 | 96 | +1 | 44.7 kBtu/ft² | 1,160 tCO₂e |
| 2016 | 95 | ±0 | 46.1 kBtu/ft² | 1,321 tCO₂e |
| 2015 | 95 | 44.1 kBtu/ft² | 1,217 tCO₂e | |
| 2014 | — | — | — | |
| 2013 | — | — | — | |
| 2012 | 89 | +1 | 59.0 kBtu/ft² | 1,759 tCO₂e |
| 2011 | 88 | 63.3 kBtu/ft² | 1,866 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
- 221 MAIN ST
- City
- San Francisco
- State
- California
- ZIP
- 94105
- Coordinates
- 37.79035, -122.39221
Within ~1 km
Nearby benchmarked buildings
- PGE-GO Complexscore —
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- One Market Plazascore 80
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- One Market Plazascore 79
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- 500 BATTERY STscore —
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- Pge01195 - San Francisco Market - United Statesscore 100
Office · 1,775,440 sq ft
- Pge-Go Complex 102_245M_77Blscore 72
Office · 1,775,427 sq ft
See also: most efficient in San Francisco · biggest emitters
Frequently asked questions
What is 221 Main Street's energy grade?
221 Main Street scores 88 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 221 Main Street use?
Its 2025 site energy-use intensity was 33.4 kBtu/ft² (73.9 kBtu/ft² source) across 437,715 sq ft, including 2,636,250 kWh of electricity and 45,333 therms of natural gas.
What are 221 Main Street's carbon emissions?
221 Main Street reported 755 tCO₂e of greenhouse-gas emissions (1.9 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:3740/034:2025.