WESTLAKE STEPS & MARINA SLU
Multifamily MR (5-9) in Seattle, WA · 1209 WESTLAKE AVE N · 98109
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 99 (band A) |
| Site EUI | 30.1 kBtu/ft² |
| Source EUI | 64.7 kBtu/ft² |
| GHG emissions | 217 tCO₂e |
| GHG intensity | 0.7 kgCO₂e/ft² |
| Electricity | 1,764,944 kWh |
| Natural gas | 34,310 therms |
| Gross floor area | 393,641 sq ft |
| Source record | seattle:50324:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 99 | ±0 | 30.1 kBtu/ft² | 217 tCO₂e |
| 2023 | 99 | ±0 | 29.9 kBtu/ft² | 204 tCO₂e |
| 2022 | 99 | ±0 | 30.1 kBtu/ft² | 204 tCO₂e |
| 2021 | 99 | +8 | 29.7 kBtu/ft² | 201 tCO₂e |
| 2020 | 91 | ±0 | 36.4 kBtu/ft² | 224 tCO₂e |
| 2019 | 91 | -8 | 37.5 kBtu/ft² | 245 tCO₂e |
| 2018 | 99 | 21.1 kBtu/ft² | 198 tCO₂e |
Compliance context
Seattle Energy Benchmarking Ordinance (SMC 22.920)
Seattle's Building Emissions Performance Standard (2023) sets declining carbon targets for buildings over 20,000 sq ft, with penalties for non-compliance beginning in the 2030s.
Ownership
No owner listed in the disclosure.
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Location
- Address
- 1209 WESTLAKE AVE N
- City
- Seattle
- State
- Washington
- ZIP
- 98109
- Coordinates
- 47.63013, -122.34143
Within ~1 km
Nearby benchmarked buildings
- BILL & MELINDA GATES FOUNDATIONscore 75
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Laboratory · 716,128 sq ft
- ASCENT SLU AND MARLOWEscore 89
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- Block 31 - Googlescore 85
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- 400 FAIRVIEW OFFICE BLDGscore 92
Office · 536,697 sq ft
See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is WESTLAKE STEPS & MARINA SLU's energy grade?
WESTLAKE STEPS & MARINA SLU scores 99 out of 100 on ENERGY STAR — band A (High performer (85–100)) — in its 2024 Seattle disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does WESTLAKE STEPS & MARINA SLU use?
Its 2024 site energy-use intensity was 30.1 kBtu/ft² (64.7 kBtu/ft² source) across 393,641 sq ft, including 1,764,944 kWh of electricity and 34,310 therms of natural gas.
What are WESTLAKE STEPS & MARINA SLU's carbon emissions?
WESTLAKE STEPS & MARINA SLU reported 217 tCO₂e of greenhouse-gas emissions (0.7 kgCO₂e/ft²) for 2024. Seattle's Building Emissions Performance Standard (2023) sets declining carbon targets for buildings over 20,000 sq ft, with penalties for non-compliance beginning in the 2030s.
Dataset updated . Source: Building Energy Benchmarking disclosure, record seattle:50324:2024.