2201 Westlake Enso Condominiums
Mixed Use Property in Seattle, WA · 820 BLANCHARD ST · 98121
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 23.8 kBtu/ft² |
| Source EUI | 45.9 kBtu/ft² |
| GHG emissions | 351 tCO₂e |
| GHG intensity | 0.7 kgCO₂e/ft² |
| Electricity | 1,772,720 kWh |
| Natural gas | 60,406 therms |
| Gross floor area | 525,049 sq ft |
| Source record | seattle:25992:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 23.8 kBtu/ft² | 351 tCO₂e | |
| 2024 | — | 42.4 kBtu/ft² | 378 tCO₂e | |
| 2023 | — | 46.4 kBtu/ft² | 398 tCO₂e | |
| 2022 | — | 56.9 kBtu/ft² | 520 tCO₂e | |
| 2021 | — | 50.9 kBtu/ft² | 452 tCO₂e | |
| 2020 | 72 | -5 | 56.7 kBtu/ft² | 432 tCO₂e |
| 2019 | 77 | -1 | 62.3 kBtu/ft² | 555 tCO₂e |
| 2018 | 78 | ±0 | 63.1 kBtu/ft² | 644 tCO₂e |
| 2017 | 78 | -9 | 55.9 kBtu/ft² | 416 tCO₂e |
| 2016 | 87 | +3 | 54.6 kBtu/ft² | 366 tCO₂e |
| 2015 | 84 | 58.6 kBtu/ft² | 403 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
- 820 BLANCHARD ST
- City
- Seattle
- State
- Washington
- ZIP
- 98121
- Coordinates
- 47.61811, -122.33908
Within ~1 km
Nearby benchmarked buildings
- Seattle Convention Centerscore —
Convention Center · 1,842,925 sq ft
- Two Union Squarescore 96
Office · 1,605,578 sq ft
Office · 1,599,394 sq ft
- Day 1 Tower And Spheres (Amazon)score 93
Office · 1,599,230 sq ft
- Onni South Lake Unionscore 77
Multifamily Housing · 1,546,084 sq ft
- Us Bank Centerscore 87
Office · 1,536,606 sq ft
See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is 2201 Westlake Enso Condominiums's energy grade?
2201 Westlake Enso Condominiums did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 23.8 kBtu/ft².
How much energy does 2201 Westlake Enso Condominiums use?
Its 2025 site energy-use intensity was 23.8 kBtu/ft² (45.9 kBtu/ft² source) across 525,049 sq ft, including 1,772,720 kWh of electricity and 60,406 therms of natural gas.
What are 2201 Westlake Enso Condominiums's carbon emissions?
2201 Westlake Enso Condominiums reported 351 tCO₂e of greenhouse-gas emissions (0.7 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:25992:2025.