Osborn Condominium
Multifamily Housing in Seattle, WA · 4125 CALIFORNIA AVE SW · 98116
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 59 (band C) |
| Site EUI | 31.1 kBtu/ft² |
| Source EUI | 83.8 kBtu/ft² |
| GHG emissions | 7 tCO₂e |
| GHG intensity | 0.3 kgCO₂e/ft² |
| Electricity | 223,030 kWh |
| Natural gas | 514 therms |
| Gross floor area | 31,299 sq ft |
| Source record | seattle:27716:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 59 | +10 | 31.1 kBtu/ft² | 7 tCO₂e |
| 2024 | 49 | +6 | 33.5 kBtu/ft² | 9 tCO₂e |
| 2023 | 43 | 36.4 kBtu/ft² | 11 tCO₂e | |
| 2022 | — | — | 5 tCO₂e | |
| 2021 | — | — | — | |
| 2020 | 55 | +4 | 31.1 kBtu/ft² | 14 tCO₂e |
| 2019 | 51 | -5 | 31.2 kBtu/ft² | 12 tCO₂e |
| 2018 | 56 | +17 | 29.5 kBtu/ft² | 11 tCO₂e |
| 2017 | 39 | +5 | 35.5 kBtu/ft² | 16 tCO₂e |
| 2016 | 34 | -5 | 32.7 kBtu/ft² | 15 tCO₂e |
| 2015 | 39 | 31.4 kBtu/ft² | 13 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.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 4125 CALIFORNIA AVE SW
- City
- Seattle
- State
- Washington
- ZIP
- 98116
- Coordinates
- 47.56574, -122.38716
Within ~1 km
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See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is Osborn Condominium's energy grade?
Osborn Condominium scores 59 out of 100 on ENERGY STAR — band C (Below median (55–69)) — in its 2025 Seattle disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Osborn Condominium use?
Its 2025 site energy-use intensity was 31.1 kBtu/ft² (83.8 kBtu/ft² source) across 31,299 sq ft, including 223,030 kWh of electricity and 514 therms of natural gas.
What are Osborn Condominium's carbon emissions?
Osborn Condominium reported 7 tCO₂e of greenhouse-gas emissions (0.3 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:27716:2025.