645 HOWARD ST
Mixed Residential in San Francisco, CA · 94105
SF Environment Code Chapter 20 · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 99 (band A) |
| Site EUI | 20.7 kBtu/ft² |
| Source EUI | 46.3 kBtu/ft² |
| GHG emissions | 336 tCO₂e |
| GHG intensity | 1.2 kgCO₂e/ft² |
| Electricity | 1,197,440 kWh |
| Natural gas | 19,264 therms |
| Gross floor area | 310,607 sq ft |
| Source record | sf:3735A/001:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 99 | ±0 | 20.7 kBtu/ft² | 336 tCO₂e |
| 2024 | 99 | ±0 | 20.7 kBtu/ft² | 373 tCO₂e |
| 2023 | 99 | ±0 | 21.1 kBtu/ft² | 397 tCO₂e |
| 2022 | 99 | 21.4 kBtu/ft² | 391 tCO₂e | |
| 2021 | — | — | — | |
| 2020 | — | — | — | |
| 2019 | — | — | — | |
| 2018 | — | — | — |
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.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 645 HOWARD ST
- City
- San Francisco
- State
- California
- ZIP
- 94105
- Coordinates
- 37.78577, -122.39888
Within ~1 km
Nearby benchmarked buildings
- 555 Californiascore 75
Commercial · 1,968,807 sq ft
- PGE-GO Complexscore —
Commercial · 1,948,626 sq ft
- One Market Plazascore 80
Commercial · 1,870,178 sq ft
- 555 California Streetscore 76
Office · 1,810,397 sq ft
- Pge01195 - San Francisco Market - United Statesscore 100
Office · 1,775,440 sq ft
- Pge-Go Complex 102_245M_77Blscore 72
Office · 1,775,427 sq ft
See also: most efficient in San Francisco · biggest emitters
Frequently asked questions
What is 645 HOWARD ST's energy grade?
645 HOWARD ST scores 99 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 645 HOWARD ST use?
Its 2025 site energy-use intensity was 20.7 kBtu/ft² (46.3 kBtu/ft² source) across 310,607 sq ft, including 1,197,440 kWh of electricity and 19,264 therms of natural gas.
What are 645 HOWARD ST's carbon emissions?
645 HOWARD ST reported 336 tCO₂e of greenhouse-gas emissions (1.2 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:3735A/001:2025.