125 Mason St
Multifamily Housing in California, CA · 125 Mason Street, San Francisco · 94102
AB 802 (Public Resources Code §25402.10) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 18 (band D) |
| Site EUI | 56.2 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 296 tCO₂e |
| GHG intensity | 3.3 kgCO₂e/ft² |
| Electricity | 555,560 kWh |
| Natural gas | 32,065 therms |
| Gross floor area | 89,680 sq ft |
| Source record | california:7048695:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 18 | -8 | 56.2 kBtu/ft² | 296 tCO₂e |
| 2023 | 26 | -8 | 55.0 kBtu/ft² | 288 tCO₂e |
| 2022 | 34 | -3 | 51.5 kBtu/ft² | 271 tCO₂e |
| 2020 | 37 | -2 | 49.1 kBtu/ft² | 253 tCO₂e |
| 2019 | 39 | 48.8 kBtu/ft² | 258 tCO₂e |
Compliance context
AB 802 (Public Resources Code §25402.10)
AB 802 requires every California commercial building over 50,000 sq ft to report energy use to the CEC annually; the CEC publicly discloses the results statewide.
Ownership
No owner listed in the disclosure.
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Location
- Address
- 125 Mason Street, San Francisco
- City
- California
- State
- California
- ZIP
- 94102
- Coordinates
- 37.78478, -122.40978
Within ~1 km
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See also: most efficient in California · biggest emitters
Frequently asked questions
What is 125 Mason St's energy grade?
125 Mason St scores 18 out of 100 on ENERGY STAR — band D (Lowest band (1–54)) — in its 2024 California disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 125 Mason St use?
Its 2024 site energy-use intensity was 56.2 kBtu/ft² across 89,680 sq ft, including 555,560 kWh of electricity and 32,065 therms of natural gas.
What are 125 Mason St's carbon emissions?
125 Mason St reported 296 tCO₂e of greenhouse-gas emissions (3.3 kgCO₂e/ft²) for 2024. AB 802 requires every California commercial building over 50,000 sq ft to report energy use to the CEC annually; the CEC publicly discloses the results statewide.
Dataset updated . Source: Building Energy Benchmarking Program (statewide) disclosure, record california:7048695:2024.