Cascadia Apartments
Multifamily Housing in Seattle, WA · 1621 17TH AVE · 98122
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 87 (band A) |
| Site EUI | 36.3 kBtu/ft² |
| Source EUI | 71.3 kBtu/ft² |
| GHG emissions | 26 tCO₂e |
| GHG intensity | 1.0 kgCO₂e/ft² |
| Electricity | 143,475 kWh |
| Natural gas | 4,470 therms |
| Gross floor area | 25,808 sq ft |
| Source record | seattle:27837:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 87 | -2 | 36.3 kBtu/ft² | 26 tCO₂e |
| 2024 | 89 | +8 | 35.7 kBtu/ft² | 26 tCO₂e |
| 2023 | 81 | -2 | 41.2 kBtu/ft² | 34 tCO₂e |
| 2022 | 83 | +17 | 40.7 kBtu/ft² | 31 tCO₂e |
| 2021 | 66 | -28 | 50.6 kBtu/ft² | 45 tCO₂e |
| 2020 | 94 | +6 | 27.3 kBtu/ft² | 14 tCO₂e |
| 2019 | 88 | +5 | 34.0 kBtu/ft² | 24 tCO₂e |
| 2018 | 83 | ±0 | 36.2 kBtu/ft² | 26 tCO₂e |
| 2017 | 83 | +3 | 36.4 kBtu/ft² | 24 tCO₂e |
| 2016 | 80 | -1 | 35.6 kBtu/ft² | 25 tCO₂e |
| 2015 | 81 | 34.6 kBtu/ft² | 23 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
- 1621 17TH AVE
- City
- Seattle
- State
- Washington
- ZIP
- 98122
- Coordinates
- 47.61598, -122.31034
Within ~1 km
Nearby benchmarked buildings
College/University · 2,099,379 sq ft
Medical Office · 905,911 sq ft
Multifamily Housing · 436,074 sq ft
- Rianna Apts & Retailscore 46
Multifamily Housing · 209,575 sq ft
- East Union Apartmentsscore 21
Multifamily Housing · 184,974 sq ft
Multifamily Housing · 183,379 sq ft
See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is Cascadia Apartments's energy grade?
Cascadia Apartments 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 Cascadia Apartments use?
Its 2025 site energy-use intensity was 36.3 kBtu/ft² (71.3 kBtu/ft² source) across 25,808 sq ft, including 143,475 kWh of electricity and 4,470 therms of natural gas.
What are Cascadia Apartments's carbon emissions?
Cascadia Apartments reported 26 tCO₂e of greenhouse-gas emissions (1.0 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:27837:2025.