135 Main
Commercial in San Francisco, CA · 135 MAIN ST · 94105
SF Environment Code Chapter 20 · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 82 (band B) |
| Site EUI | 40.8 kBtu/ft² |
| Source EUI | 81.9 kBtu/ft² |
| GHG emissions | 583 tCO₂e |
| GHG intensity | 2.3 kgCO₂e/ft² |
| Electricity | 1,683,553 kWh |
| Natural gas | 47,851 therms |
| Gross floor area | 265,096 sq ft |
| Source record | sf:3717/012:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 82 | -4 | 40.8 kBtu/ft² | 583 tCO₂e |
| 2024 | 86 | +4 | 39.1 kBtu/ft² | 607 tCO₂e |
| 2023 | 82 | +7 | 41.5 kBtu/ft² | 667 tCO₂e |
| 2022 | 75 | 44.1 kBtu/ft² | 709 tCO₂e | |
| 2021 | — | 39.5 kBtu/ft² | 586 tCO₂e | |
| 2020 | — | 40.3 kBtu/ft² | 718 tCO₂e | |
| 2019 | 84 | +5 | 41.6 kBtu/ft² | 744 tCO₂e |
| 2018 | 79 | -15 | 44.1 kBtu/ft² | 819 tCO₂e |
| 2017 | 94 | -2 | 39.4 kBtu/ft² | 772 tCO₂e |
| 2016 | 96 | ±0 | 39.8 kBtu/ft² | 1,606 tCO₂e |
| 2015 | 96 | ±0 | 38.4 kBtu/ft² | 1,561 tCO₂e |
| 2014 | 96 | +2 | 37.0 kBtu/ft² | 1,584 tCO₂e |
| 2013 | 94 | ±0 | 45.4 kBtu/ft² | 1,816 tCO₂e |
| 2012 | 94 | +2 | 45.5 kBtu/ft² | 1,789 tCO₂e |
| 2011 | 92 | 49.7 kBtu/ft² | 1,937 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
- 135 MAIN ST
- City
- San Francisco
- State
- California
- ZIP
- 94105
- Coordinates
- 37.79153, -122.39401
Within ~1 km
Nearby benchmarked buildings
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- 500 BATTERY STscore —
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- Pge01195 - San Francisco Market - United Statesscore 100
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- Pge-Go Complex 102_245M_77Blscore 72
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See also: most efficient in San Francisco · biggest emitters
Frequently asked questions
What is 135 Main's energy grade?
135 Main 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 135 Main use?
Its 2025 site energy-use intensity was 40.8 kBtu/ft² (81.9 kBtu/ft² source) across 265,096 sq ft, including 1,683,553 kWh of electricity and 47,851 therms of natural gas.
What are 135 Main's carbon emissions?
135 Main reported 583 tCO₂e of greenhouse-gas emissions (2.3 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:3717/012:2025.