171 Second Street
Commercial in San Francisco, CA · 171 2ND ST · 94105
At a glance
171 Second Street is a 20,233-square-foot commercial building at 171 2ND ST in San Francisco, California, built in 1912. 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 2022, when it scored 32 out of 100 on ENERGY STAR with a site EUI of 78.9 kBtu/ft².
No energy data reported for 2025
171 Second Street 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: 20,233 sq ft · Built 1912
Source record sf:3721/025:2025
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | — | — | |
| 2024 | — | — | — | |
| 2023 | — | — | — | |
| 2022 | 32 | 78.9 kBtu/ft² | 99 tCO₂e | |
| 2021 | — | — | — | |
| 2020 | — | — | — | |
| 2019 | — | — | — | |
| 2018 | — | — | — | |
| 2017 | — | — | — | |
| 2016 | — | — | — | |
| 2015 | — | — | — | |
| 2014 | 15 | -37 | 166.7 kBtu/ft² | 230 tCO₂e |
| 2013 | 52 | 104.2 kBtu/ft² | 147 tCO₂e | |
| 2012 | — | — | — | |
| 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
- 171 2ND ST
- City
- San Francisco
- State
- California
- ZIP
- 94105
- Coordinates
- 37.78729, -122.39850
Within ~1 km
Nearby benchmarked buildings
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- One Market Plazascore 80
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- One Market Plazascore 79
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- 555 California Streetscore 76
Office · 1,810,397 sq ft
Office · 1,775,440 sq ft
See also: most efficient in San Francisco · biggest emitters
How has 171 Second Street's energy performance changed over time?
BuildingCensus holds 15 San Francisco disclosures for 171 Second Street, covering report years 2011–2025. Its ENERGY STAR score went from 52 in 2013 to 32 in 2022 (-20 points); its best year on file was 2013, at 52. Site EUI moved from 104.2 kBtu/ft² (2013) to 78.9 kBtu/ft² (2022), a 24% decrease. Reported emissions went from 147 tCO₂e to 99 tCO₂e over the same span (down 33%).
Which law requires 171 Second Street to report its energy use?
171 Second Street 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:3721/025:2025). 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
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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 171 Second Street's energy grade?
171 Second Street 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 171 Second Street?
171 Second Street is at 171 2ND ST, in San Francisco, California 94105. Its coordinates are 37.78729, -122.39850 (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, “171 Second Street, San Francisco, California — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/san-francisco/171-second-street-968ef9cf (data as of October 2, 2026).