BuildingCensus
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351 California Street

Commercial in San Francisco, CA · 351 CALIFORNIA ST · 94104

At a glance

351 California Street is a 155,025-square-foot commercial building at 351 CALIFORNIA ST in San Francisco, California, built in 1920. In its 2025 San Francisco benchmarking disclosure it reported a site energy-use intensity of 28.0 kBtu/ft² and 271 tCO₂e of greenhouse-gas emissions.

ENERGY STAR score
—
not reported · 2025
Site EUI
28.0
kBtu/ft²
GHG emissions
271
tCO₂e
GHG intensity
1.8
kgCO₂e/ft²
Floor area
155,025
sq ft
Year built
1920
vintage
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85–10070–8455–691–54
This entry + 6 nearby

SF Environment Code Chapter 20 · reporting year 2025

Benchmarking record

FieldValue
ENERGY STAR score—
Site EUI28.0 kBtu/ft²
Source EUI53.0 kBtu/ft²
GHG emissions271 tCO₂e
GHG intensity1.8 kgCO₂e/ft²
Electricity550,317 kWh
Natural gas0 therms
Gross floor area155,025 sq ft
Source recordsf:0261/010A:2025

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2025latest—28.0 kBtu/ft²271 tCO₂e
202494+429.5 kBtu/ft²304 tCO₂e
20239030.2 kBtu/ft²288 tCO₂e
2022—31.3 kBtu/ft²298 tCO₂e
20211±040.5 kBtu/ft²384 tCO₂e
2020128.0 kBtu/ft²264 tCO₂e
2019———
201865-2056.7 kBtu/ft²522 tCO₂e
201785+246.4 kBtu/ft²455 tCO₂e
201683+647.3 kBtu/ft²466 tCO₂e
201577-259.1 kBtu/ft²604 tCO₂e
201479-254.1 kBtu/ft²564 tCO₂e
201381-1544.1 kBtu/ft²532 tCO₂e
201296-435.6 kBtu/ft²432 tCO₂e
201110038.3 kBtu/ft²465 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.

Program details →

Ownership

No owning organisation shown. Names of private individuals in the disclosure are not published here.

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Location

Address
351 CALIFORNIA ST
State
California
ZIP
94104
Coordinates
37.79287, -122.40075

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in San Francisco · biggest emitters

How does 351 California Street 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 28.0 kBtu/ft² is about 43% 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 1.8 kgCO₂e/ft² is about 35% below the group average of 2.7 kgCO₂e/ft².

At 155,025 sq ft, it is about 44% above the average floor area of 107,408 sq ft for those buildings. It was built in 1920, 21 years earlier 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 351 California Street's energy performance changed over time?

BuildingCensus holds 15 San Francisco disclosures for 351 California Street, covering report years 2011–2025. Its ENERGY STAR score went from 100 in 2011 to 94 in 2024 (-6 points); its best year on file was 2011, at 100. Site EUI moved from 38.3 kBtu/ft² (2011) to 28.0 kBtu/ft² (2025), a 27% decrease. Reported emissions went from 465 tCO₂e to 271 tCO₂e over the same span (down 42%).

What does a site EUI of 28.0 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. 351 California Street's 28.0 kBtu/ft² across 155,025 sq ft works out to about 4.3 billion Btu (1,272 MWh-equivalent) in 2025. Its source EUI of 53.0 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 550,317 kWh of electricity and 0 therms of natural gas for the year.

Which law requires 351 California Street to report its energy use?

351 California 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:0261/010A: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

Frequently asked questions

What is 351 California Street's energy grade?

351 California Street did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 28.0 kBtu/ft².

How much energy does 351 California Street use?

Its 2025 site energy-use intensity was 28.0 kBtu/ft² (53.0 kBtu/ft² source) across 155,025 sq ft, including 550,317 kWh of electricity and 0 therms of natural gas.

What are 351 California Street's carbon emissions?

351 California Street reported 271 tCO₂e of greenhouse-gas emissions (1.8 kgCO₂e/ft²) for 2025.

Where is 351 California Street?

351 California Street is at 351 CALIFORNIA ST, in San Francisco, California 94104. Its coordinates are 37.79287, -122.40075 (latitude, longitude), as published in the Existing Buildings Energy Performance Ordinance file.

How big is 351 California Street and when was it built?

351 California Street has 155,025 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 1920 as its year built. It is classed as commercial.

Is 351 California Street 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, “351 California Street, San Francisco, California — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/san-francisco/351-california-street-b8e8e0ca (data as of October 2, 2026).