BuildingCensus
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Dorraine Zief Law Library

Commercial in San Francisco, CA · 2101 Fulton St · 94117

At a glance

Dorraine Zief Law Library is a 67,014-square-foot commercial building at 2101 Fulton St in San Francisco, California. In its 2025 San Francisco benchmarking disclosure it reported a site energy-use intensity of 27.8 kBtu/ft² and 106 tCO₂e of greenhouse-gas emissions.

ENERGY STAR score
—
not reported · 2025
Site EUI
27.8
kBtu/ft²
GHG emissions
106
tCO₂e
GHG intensity
1.6
kgCO₂e/ft²
Floor area
67,014
sq ft
Year built
—
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 EUI27.8 kBtu/ft²
Source EUI77.8 kBtu/ft²
GHG emissions106 tCO₂e
GHG intensity1.6 kgCO₂e/ft²
Electricity545,960 kWh
Gross floor area67,014 sq ft
Source recordsf:1145/003-J:2025

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2025latest—27.8 kBtu/ft²106 tCO₂e
2024—28.9 kBtu/ft²129 tCO₂e
2023—28.5 kBtu/ft²136 tCO₂e
2022———
2021———
2020—25.4 kBtu/ft²113 tCO₂e
2019—42.3 kBtu/ft²188 tCO₂e
2018———
2017———
2016———
2015———
2014———
2013———
2012———

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
2101 Fulton St
State
California
ZIP
94117
Coordinates
37.77645, -122.45014

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in San Francisco · biggest emitters

How does Dorraine Zief Law Library 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 27.8 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 1.6 kgCO₂e/ft² is about 41% below the group average of 2.7 kgCO₂e/ft².

At 67,014 sq ft, it is about 38% below the average floor area of 107,408 sq ft for those buildings. 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 Dorraine Zief Law Library's energy performance changed over time?

BuildingCensus holds 14 San Francisco disclosures for Dorraine Zief Law Library, covering report years 2012–2025. Site EUI moved from 42.3 kBtu/ft² (2019) to 27.8 kBtu/ft² (2025), a 34% decrease. Reported emissions went from 188 tCO₂e to 106 tCO₂e over the same span (down 43%).

What does a site EUI of 27.8 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. Dorraine Zief Law Library's 27.8 kBtu/ft² across 67,014 sq ft works out to about 1.9 billion Btu (546 MWh-equivalent) in 2025. Its source EUI of 77.8 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 545,960 kWh of electricity for the year.

Which law requires Dorraine Zief Law Library to report its energy use?

Dorraine Zief Law Library 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:1145/003-J: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 Dorraine Zief Law Library's energy grade?

Dorraine Zief Law Library did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 27.8 kBtu/ft².

How much energy does Dorraine Zief Law Library use?

Its 2025 site energy-use intensity was 27.8 kBtu/ft² (77.8 kBtu/ft² source) across 67,014 sq ft, including 545,960 kWh of electricity.

What are Dorraine Zief Law Library's carbon emissions?

Dorraine Zief Law Library reported 106 tCO₂e of greenhouse-gas emissions (1.6 kgCO₂e/ft²) for 2025.

Where is Dorraine Zief Law Library?

Dorraine Zief Law Library is at 2101 Fulton St, in San Francisco, California 94117. Its coordinates are 37.77645, -122.45014 (latitude, longitude), as published in the Existing Buildings Energy Performance Ordinance file.

How big is Dorraine Zief Law Library and when was it built?

Dorraine Zief Law Library has 67,014 sq ft of gross floor area, as reported in its 2025 disclosure. It is classed as commercial.

Is Dorraine Zief Law Library 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, “Dorraine Zief Law Library, San Francisco, California — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/san-francisco/dorraine-zief-law-library-4d388b27 (data as of October 2, 2026).