639 POST ST
Mixed Residential in San Francisco, CA · 94102
SF Environment Code Chapter 20 · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 100 (band A) |
| Site EUI | 17.0 kBtu/ft² |
| Source EUI | 23.9 kBtu/ft² |
| GHG emissions | 97 tCO₂e |
| GHG intensity | 0.9 kgCO₂e/ft² |
| Electricity | 106,244 kWh |
| Natural gas | 14,382 therms |
| Gross floor area | 105,646 sq ft |
| Source record | sf:0305/029:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 100 | ±0 | 17.0 kBtu/ft² | 97 tCO₂e |
| 2024 | 100 | ±0 | 17.7 kBtu/ft² | 105 tCO₂e |
| 2023 | 100 | ±0 | 18.7 kBtu/ft² | 110 tCO₂e |
| 2022 | 100 | 18.6 kBtu/ft² | 108 tCO₂e | |
| 2021 | — | 19.1 kBtu/ft² | 109 tCO₂e | |
| 2020 | — | 18.7 kBtu/ft² | 109 tCO₂e | |
| 2019 | 100 | 22.9 kBtu/ft² | 134 tCO₂e | |
| 2018 | — | 26.3 kBtu/ft² | 152 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.
Ownership
No owner listed in the disclosure.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 639 POST ST
- City
- San Francisco
- State
- California
- ZIP
- 94102
- Coordinates
- 37.78750, -122.41234
Within ~1 km
Nearby benchmarked buildings
- Hilton San Francisco Union Square (Sfofh)score 89
Hotel · 1,964,250 sq ft
Commercial · 1,964,250 sq ft
- Hilton San Francisco Union Square (San Franciscoofh)score —
Hotel · 1,964,250 sq ft
Commercial · 1,684,713 sq ft
- 337F2-Sfodt-San Francisco Marriott Marquisscore 95
Hotel · 1,578,964 sq ft
- Westin St. Francis Hotelscore 100
Commercial · 1,315,996 sq ft
See also: most efficient in San Francisco · biggest emitters
Frequently asked questions
What is 639 POST ST's energy grade?
639 POST ST scores 100 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 639 POST ST use?
Its 2025 site energy-use intensity was 17.0 kBtu/ft² (23.9 kBtu/ft² source) across 105,646 sq ft, including 106,244 kWh of electricity and 14,382 therms of natural gas.
What are 639 POST ST's carbon emissions?
639 POST ST reported 97 tCO₂e of greenhouse-gas emissions (0.9 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:0305/029:2025.