Union Bank 127 350 California
Commercial in San Francisco, CA · 350 CALIFORNIA · 94104
At a glance
Union Bank 127 350 California is a 348,500-square-foot commercial building at 350 CALIFORNIA in San Francisco, California, built in 1976. In its 2025 San Francisco benchmarking disclosure it reported a site energy-use intensity of 27.4 kBtu/ft² and 524 tCO₂e of greenhouse-gas emissions.
SF Environment Code Chapter 20 · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 27.4 kBtu/ft² |
| Source EUI | 50.6 kBtu/ft² |
| GHG emissions | 524 tCO₂e |
| GHG intensity | 1.5 kgCO₂e/ft² |
| Electricity | 1,278,497 kWh |
| Natural gas | 51,766 therms |
| Gross floor area | 348,500 sq ft |
| Source record | sf:0238/008:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 27.4 kBtu/ft² | 524 tCO₂e | |
| 2024 | — | 28.5 kBtu/ft² | 589 tCO₂e | |
| 2023 | 88 | +14 | 40.3 kBtu/ft² | 895 tCO₂e |
| 2022 | 74 | +6 | 52.5 kBtu/ft² | 1,197 tCO₂e |
| 2021 | 68 | 58.0 kBtu/ft² | 1,313 tCO₂e | |
| 2020 | — | — | — | |
| 2019 | — | — | — | |
| 2018 | — | — | — | |
| 2017 | 91 | -4 | 37.9 kBtu/ft² | 826 tCO₂e |
| 2016 | 95 | ±0 | 44.1 kBtu/ft² | 1,117 tCO₂e |
| 2015 | 95 | +2 | 45.5 kBtu/ft² | 1,112 tCO₂e |
| 2014 | 93 | +5 | 49.0 kBtu/ft² | 1,197 tCO₂e |
| 2013 | 88 | +3 | 58.0 kBtu/ft² | 1,480 tCO₂e |
| 2012 | 85 | -2 | 63.3 kBtu/ft² | 1,614 tCO₂e |
| 2011 | 87 | 61.8 kBtu/ft² | 1,626 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 owning organisation shown. Names of private individuals in the disclosure are not published here.
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Location
- Address
- 350 CALIFORNIA
- City
- San Francisco
- State
- California
- ZIP
- 94104
- Coordinates
- 37.79339, -122.40081
Within ~1 km
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See also: most efficient in San Francisco · biggest emitters
How does Union Bank 127 350 California compare with other commercial buildings in San Francisco?
The latest disclosures cover 1,683 commercial buildings in San Francisco, out of 2,509 buildings citywide. Its site EUI of 27.4 kBtu/ft² is about 44% below the average of 49.2 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 1.5 kgCO₂e/ft² is about 44% below the group average of 2.7 kgCO₂e/ft².
At 348,500 sq ft, it is about 224% above the average floor area of 107,408 sq ft for those buildings. It was built in 1976, 35 years later than the group's average year built (1941). Across all 24 jurisdictions BuildingCensus covers, the 2,307 commercial buildings average an ENERGY STAR score of 76 and a site EUI of 51.3 kBtu/ft².
How has Union Bank 127 350 California's energy performance changed over time?
BuildingCensus holds 15 San Francisco disclosures for Union Bank 127 350 California, covering report years 2011–2025. Its ENERGY STAR score went from 87 in 2011 to 88 in 2023 (+1 points); its best year on file was 2015, at 95. Site EUI moved from 61.8 kBtu/ft² (2011) to 27.4 kBtu/ft² (2025), a 56% decrease. Reported emissions went from 1,626 tCO₂e to 524 tCO₂e over the same span (down 68%).
What does a site EUI of 27.4 kBtu/ft² mean?
Site energy-use intensity (EUI) is the energy a building uses on site in a year divided by its floor area, in thousand Btu per square foot — lower is more efficient. Union Bank 127 350 California's 27.4 kBtu/ft² across 348,500 sq ft works out to about 9.5 billion Btu (2,799 MWh-equivalent) in 2025. Its source EUI of 50.6 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,278,497 kWh of electricity and 51,766 therms of natural gas for the year.
Which law requires Union Bank 127 350 California to report its energy use?
Union Bank 127 350 California reports under SF Environment Code Chapter 20, the legal basis of San Francisco's Existing Buildings Energy Performance Ordinance, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2025 disclosure (source record sf:0238/008:2025). San Francisco's ordinance requires annual benchmarking for commercial buildings over 10,000 sq ft, with administrative penalties for buildings that fail to report.
More commercial buildings in San Francisco
- San Francisco Marriott Union Square· 348,000 sq ft · score 62 (C)
- 535 Mission St· 347,139 sq ft · score 97 (A)
- 71 Stevenson Street· 345,889 sq ft · EUI 34.2 kBtu/ft²
- 301 Howard· 342,355 sq ft · score 83 (B)
- Market Center (555)· 342,238 sq ft · EUI 27.4 kBtu/ft²
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- Commercial buildings in San Francisco· 1,683 benchmarked
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Frequently asked questions
What is Union Bank 127 350 California's energy grade?
Union Bank 127 350 California did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 27.4 kBtu/ft².
How much energy does Union Bank 127 350 California use?
Its 2025 site energy-use intensity was 27.4 kBtu/ft² (50.6 kBtu/ft² source) across 348,500 sq ft, including 1,278,497 kWh of electricity and 51,766 therms of natural gas.
What are Union Bank 127 350 California's carbon emissions?
Union Bank 127 350 California reported 524 tCO₂e of greenhouse-gas emissions (1.5 kgCO₂e/ft²) for 2025.
Where is Union Bank 127 350 California?
Union Bank 127 350 California is at 350 CALIFORNIA, in San Francisco, California 94104. Its coordinates are 37.79339, -122.40081 (latitude, longitude), as published in the Existing Buildings Energy Performance Ordinance file.
How big is Union Bank 127 350 California and when was it built?
Union Bank 127 350 California has 348,500 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 1976 as its year built. It is classed as commercial.
Is Union Bank 127 350 California covered by SF Environment Code Chapter 20?
Yes — it appears in the 2025 Existing Buildings Energy Performance Ordinance disclosure, which lists the buildings reporting under SF Environment Code Chapter 20.
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About this data
Source: Existing Buildings Energy Performance Ordinance (SF Environment Code Chapter 20), as published October 2, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “Union Bank 127 350 California, San Francisco, California — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/san-francisco/union-bank-127-350-california-f97f91a6 (data as of October 2, 2026).