BuildingCensus
B

Union Street Plaza

Commercial in San Francisco, CA · 2001 UNION ST · 94123

ENERGY STAR score
74
band B · 2025
Site EUI
38.2
kBtu/ft²
GHG emissions
184
tCO₂e
GHG intensity
2.2
kgCO₂e/ft²
Floor area
84,236
sq ft
Year built
1970
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 score74 (band B)
Site EUI38.2 kBtu/ft²
Source EUI107.1 kBtu/ft²
GHG emissions184 tCO₂e
GHG intensity2.2 kgCO₂e/ft²
Electricity944,246 kWh
Gross floor area84,236 sq ft
Source recordsf:0541/024:2025

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2025latest74+138.2 kBtu/ft²184 tCO₂e
202473±042.4 kBtu/ft²237 tCO₂e
202373+243.1 kBtu/ft²257 tCO₂e
20227144.1 kBtu/ft²254 tCO₂e
202142.9 kBtu/ft²219 tCO₂e
202045.0 kBtu/ft²251 tCO₂e
20195953.5 kBtu/ft²299 tCO₂e
2018
2017
2016
2015
20148-13128.2 kBtu/ft²577 tCO₂e
201321105.2 kBtu/ft²488 tCO₂e
2012
20115568.7 kBtu/ft²408 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 owner listed in the disclosure.

Own or manage this building? Claim it to correct the record and get compliance alerts.

Location

Address
2001 UNION ST
State
California
ZIP
94123
Coordinates
37.79718, -122.43249

Within ~1 km

Nearby benchmarked buildings

  • Mixed Residential · 326,285 sq ft

  • 2351 CLAYscore

    Commercial · 315,043 sq ft

  • Sutter Health-2333 Buchanan Streetscore 23

    Hospital (General Medical & Surgical) · 315,043 sq ft

  • Cpmc - Pac Hospitalscore 2

    Hospital (General Medical & Surgical) · 296,974 sq ft

  • Commercial · 263,062 sq ft

  • 1550 BAY STscore 100

    Mixed Residential · 248,960 sq ft

See also: most efficient in San Francisco · biggest emitters

Frequently asked questions

What is Union Street Plaza's energy grade?

Union Street Plaza scores 74 out of 100 on ENERGY STAR — band B (Above median (70–84)) — in its 2025 San Francisco disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.

How much energy does Union Street Plaza use?

Its 2025 site energy-use intensity was 38.2 kBtu/ft² (107.1 kBtu/ft² source) across 84,236 sq ft, including 944,246 kWh of electricity.

What are Union Street Plaza's carbon emissions?

Union Street Plaza reported 184 tCO₂e of greenhouse-gas emissions (2.2 kgCO₂e/ft²) for 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.

Dataset updated . Source: Existing Buildings Energy Performance Ordinance disclosure, record sf:0541/024:2025.