1900 UNION ST
Commercial in San Francisco, CA · 94123
SF Environment Code Chapter 20 · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 89 (band A) |
| Site EUI | 26.2 kBtu/ft² |
| Source EUI | 73.4 kBtu/ft² |
| GHG emissions | 17 tCO₂e |
| GHG intensity | 1.5 kgCO₂e/ft² |
| Electricity | 87,456 kWh |
| Natural gas | 0 therms |
| Gross floor area | 11,383 sq ft |
| Source record | sf:0531/006A:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 89 | +1 | 26.2 kBtu/ft² | 17 tCO₂e |
| 2024 | 88 | -1 | 29.9 kBtu/ft² | 23 tCO₂e |
| 2023 | 89 | -1 | 29.4 kBtu/ft² | 24 tCO₂e |
| 2022 | 90 | 28.1 kBtu/ft² | 22 tCO₂e | |
| 2021 | — | 27.1 kBtu/ft² | 19 tCO₂e | |
| 2020 | — | 33.6 kBtu/ft² | 24 tCO₂e | |
| 2019 | 79 | 65.6 kBtu/ft² | 46 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 owner listed in the disclosure.
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Location
- Address
- 1900 UNION ST
- City
- San Francisco
- State
- California
- ZIP
- 94123
- Coordinates
- 37.79791, -122.43083
Within ~1 km
Nearby benchmarked buildings
- 2000 BROADWAYscore 98
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
- 1050 NORTH POINT STscore 100
Mixed Residential · 288,168 sq ft
- The Fontana West Apartment Complexscore 100
Multifamily Housing · 288,168 sq ft
See also: most efficient in San Francisco · biggest emitters
Frequently asked questions
What is 1900 UNION ST's energy grade?
1900 UNION ST scores 89 out of 100 on ENERGY STAR — band A (High performer (85–100)) — in its 2025 San Francisco disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 1900 UNION ST use?
Its 2025 site energy-use intensity was 26.2 kBtu/ft² (73.4 kBtu/ft² source) across 11,383 sq ft, including 87,456 kWh of electricity and 0 therms of natural gas.
What are 1900 UNION ST's carbon emissions?
1900 UNION ST reported 17 tCO₂e of greenhouse-gas emissions (1.5 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:0531/006A:2025.