Hudson Square Apts
Multifamily Housing in Seattle, WA · 4852 CALIFORNIA AVE SW · 98116
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 26.9 kBtu/ft² |
| Source EUI | 75.4 kBtu/ft² |
| GHG emissions | 4 tCO₂e |
| GHG intensity | 0.1 kgCO₂e/ft² |
| Electricity | 178,456 kWh |
| Gross floor area | 22,606 sq ft |
| Source record | seattle:23223:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 26.9 kBtu/ft² | 4 tCO₂e | |
| 2024 | — | 29.2 kBtu/ft² | 4 tCO₂e | |
| 2023 | — | 29.1 kBtu/ft² | 4 tCO₂e | |
| 2022 | — | 29.2 kBtu/ft² | 4 tCO₂e | |
| 2021 | — | 27.3 kBtu/ft² | 4 tCO₂e | |
| 2020 | — | 26.1 kBtu/ft² | 3 tCO₂e | |
| 2019 | — | 25.7 kBtu/ft² | 3 tCO₂e | |
| 2018 | — | 26.0 kBtu/ft² | 3 tCO₂e | |
| 2017 | — | 25.6 kBtu/ft² | 3 tCO₂e | |
| 2016 | — | 25.0 kBtu/ft² | 3 tCO₂e | |
| 2015 | — | 25.1 kBtu/ft² | 3 tCO₂e |
Compliance context
Seattle Energy Benchmarking Ordinance (SMC 22.920)
Seattle's Building Emissions Performance Standard (adopted 2023) applies to buildings over 20,000 sq ft: benchmarking verification is due 2027–2030 and initial emissions targets 2031–2035, reaching net zero by 2041–2050, with fines for non-compliance.
Ownership
No owning organisation shown. Names of private individuals in the disclosure are not published here.
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Location
- Address
- 4852 CALIFORNIA AVE SW
- City
- Seattle
- State
- Washington
- ZIP
- 98116
- Coordinates
- 47.55773, -122.38639
Within ~1 km
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See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is Hudson Square Apts's energy grade?
Hudson Square Apts did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 26.9 kBtu/ft².
How much energy does Hudson Square Apts use?
Its 2025 site energy-use intensity was 26.9 kBtu/ft² (75.4 kBtu/ft² source) across 22,606 sq ft, including 178,456 kWh of electricity.
What are Hudson Square Apts's carbon emissions?
Hudson Square Apts reported 4 tCO₂e of greenhouse-gas emissions (0.1 kgCO₂e/ft²) for 2025. Seattle's Building Emissions Performance Standard (adopted 2023) applies to buildings over 20,000 sq ft: benchmarking verification is due 2027–2030 and initial emissions targets 2031–2035, reaching net zero by 2041–2050, with fines for non-compliance.
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Dataset updated . Source: Building Energy Benchmarking disclosure, record seattle:23223:2025.