BuildingCensus
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501 Folsom Street LLC

Commercial in San Francisco, CA · 501 FOLSOM ST · 94105

At a glance

501 Folsom Street LLC is a 30,750-square-foot commercial building at 501 FOLSOM ST in San Francisco, California, built in 1916. In its 2025 San Francisco benchmarking disclosure it reported a site energy-use intensity of 21.9 kBtu/ft² and 38 tCO₂e of greenhouse-gas emissions.

ENERGY STAR score
—
not reported · 2025
Site EUI
21.9
kBtu/ft²
GHG emissions
38
tCO₂e
GHG intensity
1.2
kgCO₂e/ft²
Floor area
30,750
sq ft
Year built
1916
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 EUI21.9 kBtu/ft²
Source EUI54.2 kBtu/ft²
GHG emissions38 tCO₂e
GHG intensity1.2 kgCO₂e/ft²
Electricity160,377 kWh
Natural gas1,267 therms
Gross floor area30,750 sq ft
Source recordsf:3749/001:2025

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2025latest—21.9 kBtu/ft²38 tCO₂e
2024—9.6 kBtu/ft²19 tCO₂e
2023———
20229415.4 kBtu/ft²31 tCO₂e
2021—9.0 kBtu/ft²17 tCO₂e
2020—16.3 kBtu/ft²32 tCO₂e
201979-834.0 kBtu/ft²71 tCO₂e
201887-227.3 kBtu/ft²57 tCO₂e
201789±033.6 kBtu/ft²75 tCO₂e
201689+332.1 kBtu/ft²82 tCO₂e
201586+937.8 kBtu/ft²89 tCO₂e
201477-444.2 kBtu/ft²103 tCO₂e
201381-945.3 kBtu/ft²108 tCO₂e
20129034.2 kBtu/ft²87 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.

Program details →

Ownership

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

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Location

Address
501 FOLSOM ST
State
California
ZIP
94105
Coordinates
37.78696, -122.39446

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in San Francisco · biggest emitters

How does 501 Folsom Street LLC 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 21.9 kBtu/ft² is about 55% 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 1.2 kgCO₂e/ft² is about half of the group average of 2.7 kgCO₂e/ft².

At 30,750 sq ft, it is about 71% below the average floor area of 107,408 sq ft for those buildings. It was built in 1916, 25 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 501 Folsom Street LLC's energy performance changed over time?

BuildingCensus holds 15 San Francisco disclosures for 501 Folsom Street LLC, covering report years 2011–2025. Its ENERGY STAR score went from 90 in 2012 to 94 in 2022 (+4 points). Site EUI moved from 34.2 kBtu/ft² (2012) to 21.9 kBtu/ft² (2025), a 36% decrease. Reported emissions went from 87 tCO₂e to 38 tCO₂e over the same span (down 56%).

What does a site EUI of 21.9 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. 501 Folsom Street LLC's 21.9 kBtu/ft² across 30,750 sq ft works out to about 0.7 billion Btu (197 MWh-equivalent) in 2025. Its source EUI of 54.2 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 160,377 kWh of electricity and 1,267 therms of natural gas for the year.

Which law requires 501 Folsom Street LLC to report its energy use?

501 Folsom Street LLC 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:3749/001:2025). 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 501 Folsom Street LLC's energy grade?

501 Folsom Street LLC did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 21.9 kBtu/ft².

How much energy does 501 Folsom Street LLC use?

Its 2025 site energy-use intensity was 21.9 kBtu/ft² (54.2 kBtu/ft² source) across 30,750 sq ft, including 160,377 kWh of electricity and 1,267 therms of natural gas.

What are 501 Folsom Street LLC's carbon emissions?

501 Folsom Street LLC reported 38 tCO₂e of greenhouse-gas emissions (1.2 kgCO₂e/ft²) for 2025.

Where is 501 Folsom Street LLC?

501 Folsom Street LLC is at 501 FOLSOM ST, in San Francisco, California 94105. Its coordinates are 37.78696, -122.39446 (latitude, longitude), as published in the Existing Buildings Energy Performance Ordinance file.

How big is 501 Folsom Street LLC and when was it built?

501 Folsom Street LLC has 30,750 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 1916 as its year built. It is classed as commercial.

Is 501 Folsom Street LLC 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, “501 Folsom Street LLC, San Francisco, California — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/san-francisco/501-folsom-street-llc-2801269b (data as of October 2, 2026).