100 Post
Commercial in San Francisco, CA · 100 POST ST · 94108
At a glance
100 Post is a 43,927-square-foot commercial building at 100 POST ST in San Francisco, California, built in 1909. 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 2023, when it scored 23 out of 100 on ENERGY STAR with a site EUI of 99.6 kBtu/ft².
No energy data reported for 2025
100 Post 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: 43,927 sq ft · Built 1909
Source record sf:0293/004:2025
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | — | — | |
| 2024 | — | — | — | |
| 2023 | 23 | 99.6 kBtu/ft² | 297 tCO₂e | |
| 2022 | — | — | — | |
| 2021 | 67 | 39.4 kBtu/ft² | 119 tCO₂e | |
| 2020 | — | — | — | |
| 2019 | — | — | — | |
| 2018 | 43 | -29 | 54.2 kBtu/ft² | 162 tCO₂e |
| 2017 | 72 | +9 | 45.2 kBtu/ft² | 144 tCO₂e |
| 2016 | 63 | +4 | 52.6 kBtu/ft² | 184 tCO₂e |
| 2015 | 59 | +16 | 52.8 kBtu/ft² | 179 tCO₂e |
| 2014 | 43 | +5 | 53.9 kBtu/ft² | 190 tCO₂e |
| 2013 | 38 | -12 | 66.0 kBtu/ft² | 251 tCO₂e |
| 2012 | 50 | 60.7 kBtu/ft² | 234 tCO₂e | |
| 2011 | — | — | — |
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
- 100 POST ST
- City
- San Francisco
- State
- California
- ZIP
- 94108
- Coordinates
- 37.78905, -122.40400
Within ~1 km
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See also: most efficient in San Francisco · biggest emitters
How has 100 Post's energy performance changed over time?
BuildingCensus holds 15 San Francisco disclosures for 100 Post, covering report years 2011–2025. Its ENERGY STAR score went from 50 in 2012 to 23 in 2023 (-27 points); its best year on file was 2017, at 72. Site EUI moved from 60.7 kBtu/ft² (2012) to 99.6 kBtu/ft² (2023), an 64% increase. Reported emissions went from 234 tCO₂e to 297 tCO₂e over the same span (up 27%).
Which law requires 100 Post to report its energy use?
100 Post 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:0293/004:2025). 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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- Commercial buildings in San Francisco· 1,683 benchmarked
- All San Francisco benchmarked buildings· SF Environment Code Chapter 20
- Most efficient large buildings in San Francisco
- Least efficient large buildings in San Francisco
- Biggest emitters in San Francisco
Frequently asked questions
What is 100 Post's energy grade?
100 Post 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 100 Post?
100 Post is at 100 POST ST, in San Francisco, California 94108. Its coordinates are 37.78905, -122.40400 (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, “100 Post, San Francisco, California — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/san-francisco/100-post-8b448499 (data as of October 2, 2026).