Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 87 (band A) |
| Site EUI | 42.2 kBtu/ft² |
| Source EUI | 118.1 kBtu/ft² |
| GHG emissions | 7 tCO₂e |
| GHG intensity | 0.2 kgCO₂e/ft² |
| Electricity | 377,730 kWh |
| Gross floor area | 35,780 sq ft |
| Source record | seattle:21447:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 87 | +17 | 42.2 kBtu/ft² | 7 tCO₂e |
| 2024 | 70 | +44 | 56.2 kBtu/ft² | 10 tCO₂e |
| 2023 | 26 | -39 | 99.5 kBtu/ft² | 18 tCO₂e |
| 2022 | 65 | ±0 | 61.8 kBtu/ft² | 11 tCO₂e |
| 2021 | 65 | +1 | 62.6 kBtu/ft² | 11 tCO₂e |
| 2020 | 64 | -3 | 64.7 kBtu/ft² | 12 tCO₂e |
| 2019 | 67 | -5 | 62.2 kBtu/ft² | 11 tCO₂e |
| 2018 | 72 | -10 | 58.1 kBtu/ft² | 10 tCO₂e |
| 2017 | 82 | +5 | 58.8 kBtu/ft² | 10 tCO₂e |
| 2016 | 77 | +76 | 62.6 kBtu/ft² | 11 tCO₂e |
| 2015 | 1 | 86.9 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
- 224 WESTLAKE AVE N
- City
- Seattle
- State
- Washington
- ZIP
- 98109
- Coordinates
- 47.62054, -122.33807
Within ~1 km
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- Insignia Condosscore 47
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See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is 224 Westlake's energy grade?
224 Westlake scores 87 out of 100 on ENERGY STAR — band A (High performer (85–100)) — in its 2025 Seattle disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 224 Westlake use?
Its 2025 site energy-use intensity was 42.2 kBtu/ft² (118.1 kBtu/ft² source) across 35,780 sq ft, including 377,730 kWh of electricity.
What are 224 Westlake's carbon emissions?
224 Westlake reported 7 tCO₂e of greenhouse-gas emissions (0.2 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:21447:2025.