One Hallidie Plaza
Commercial in San Francisco, CA · 25 CYRIL MAGNIN ST · 94102
At a glance
One Hallidie Plaza is a 64,048-square-foot commercial building at 25 CYRIL MAGNIN ST in San Francisco, California, built in 1973. It is listed in the 2025 Existing Buildings Energy Performance Ordinance disclosure without energy figures: no ENERGY STAR score, energy use or emissions were published for it that year. Its most recent reported figures are from 2021, when it scored 64 out of 100 on ENERGY STAR with a site EUI of 63.8 kBtu/ft².
No energy data reported for 2025
One Hallidie Plaza appears in the 2025 Existing Buildings Energy Performance Ordinance disclosure, but no ENERGY STAR score, energy use or emissions were published for it — the building did not report benchmarking data for that year. Earlier reported years are in the table below.
Floor area on file: 64,048 sq ft · Built 1973
Source record sf:0341/009:2025
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | — | — | |
| 2024 | — | — | — | |
| 2023 | — | — | — | |
| 2022 | — | — | — | |
| 2021 | 64 | 63.8 kBtu/ft² | 233 tCO₂e | |
| 2020 | — | 67.1 kBtu/ft² | 259 tCO₂e | |
| 2019 | 87 | +37 | 47.9 kBtu/ft² | 192 tCO₂e |
| 2018 | 50 | -5 | 71.6 kBtu/ft² | 293 tCO₂e |
| 2017 | 55 | -1 | 73.4 kBtu/ft² | 321 tCO₂e |
| 2016 | 56 | +15 | 68.8 kBtu/ft² | 342 tCO₂e |
| 2015 | 41 | -8 | 87.5 kBtu/ft² | 400 tCO₂e |
| 2014 | 49 | -1 | 85.2 kBtu/ft² | 376 tCO₂e |
| 2013 | 50 | 92.7 kBtu/ft² | 399 tCO₂e | |
| 2012 | — | 87.7 kBtu/ft² | 405 tCO₂e | |
| 2011 | 65 | 99.9 kBtu/ft² | 502 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.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 25 CYRIL MAGNIN ST
- City
- San Francisco
- State
- California
- ZIP
- 94102
- Coordinates
- 37.78413, -122.40877
Within ~1 km
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See also: most efficient in San Francisco · biggest emitters
How has One Hallidie Plaza's energy performance changed over time?
BuildingCensus holds 15 San Francisco disclosures for One Hallidie Plaza, covering report years 2011–2025. Its ENERGY STAR score went from 65 in 2011 to 64 in 2021 (-1 points); its best year on file was 2019, at 87. Site EUI moved from 99.9 kBtu/ft² (2011) to 63.8 kBtu/ft² (2021), a 36% decrease. Reported emissions went from 502 tCO₂e to 233 tCO₂e over the same span (down 54%).
Which law requires One Hallidie Plaza to report its energy use?
One Hallidie Plaza 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:0341/009:2025). San Francisco's ordinance requires annual benchmarking for commercial buildings over 10,000 sq ft, with administrative penalties for buildings that fail to report.
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- Least efficient large buildings in San Francisco
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Frequently asked questions
What is One Hallidie Plaza's energy grade?
One Hallidie Plaza has no grade: it did not report energy data for 2025. The 2025 Existing Buildings Energy Performance Ordinance disclosure lists the building but publishes no ENERGY STAR score, energy use or emissions for it.
Where is One Hallidie Plaza?
One Hallidie Plaza is at 25 CYRIL MAGNIN ST, in San Francisco, California 94102. Its coordinates are 37.78413, -122.40877 (latitude, longitude), as published in the Existing Buildings Energy Performance Ordinance file.
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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, “One Hallidie Plaza, San Francisco, California — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/san-francisco/one-hallidie-plaza-df79bfec (data as of October 2, 2026).