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.
SF Environment Code Chapter 20 · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 27.8 kBtu/ft² |
| Source EUI | 77.8 kBtu/ft² |
| GHG emissions | 106 tCO₂e |
| GHG intensity | 1.6 kgCO₂e/ft² |
| Electricity | 545,960 kWh |
| Gross floor area | 67,014 sq ft |
| Source record | sf:1145/003-J:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 27.8 kBtu/ft² | 106 tCO₂e | |
| 2024 | — | 28.9 kBtu/ft² | 129 tCO₂e | |
| 2023 | — | 28.5 kBtu/ft² | 136 tCO₂e | |
| 2022 | — | — | — | |
| 2021 | — | — | — | |
| 2020 | — | 25.4 kBtu/ft² | 113 tCO₂e | |
| 2019 | — | 42.3 kBtu/ft² | 188 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.
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
- 2101 Fulton St
- City
- San Francisco
- State
- California
- ZIP
- 94117
- Coordinates
- 37.77645, -122.45014
Within ~1 km
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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.
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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).