Stream Fifteen
Multifamily Housing in Seattle, WA · 605 15TH AVE E · 98112
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 46 (band D) |
| Site EUI | 49.4 kBtu/ft² |
| Source EUI | 116.9 kBtu/ft² |
| GHG emissions | 24 tCO₂e |
| GHG intensity | 0.9 kgCO₂e/ft² |
| Electricity | 296,686 kWh |
| Natural gas | 3,336 therms |
| Gross floor area | 36,685 sq ft |
| Source record | seattle:50082:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 46 | -3 | 49.4 kBtu/ft² | 24 tCO₂e |
| 2024 | 49 | -20 | 48.2 kBtu/ft² | 23 tCO₂e |
| 2023 | 69 | -12 | 44.3 kBtu/ft² | 23 tCO₂e |
| 2022 | 81 | 38.8 kBtu/ft² | 5 tCO₂e | |
| 2021 | — | — | — | |
| 2020 | 64 | +11 | 40.9 kBtu/ft² | 23 tCO₂e |
| 2019 | 53 | -24 | 44.5 kBtu/ft² | 26 tCO₂e |
| 2018 | 77 | -17 | 38.7 kBtu/ft² | 24 tCO₂e |
| 2017 | 94 | -2 | 34.0 kBtu/ft² | 22 tCO₂e |
| 2016 | 96 | 30.1 kBtu/ft² | 20 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
- 605 15TH AVE E
- City
- Seattle
- State
- Washington
- ZIP
- 98112
- Coordinates
- 47.62441, -122.31300
Within ~1 km
Nearby benchmarked buildings
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See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is Stream Fifteen's energy grade?
Stream Fifteen scores 46 out of 100 on ENERGY STAR — band D (Lowest band (1–54)) — in its 2025 Seattle disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Stream Fifteen use?
Its 2025 site energy-use intensity was 49.4 kBtu/ft² (116.9 kBtu/ft² source) across 36,685 sq ft, including 296,686 kWh of electricity and 3,336 therms of natural gas.
What are Stream Fifteen's carbon emissions?
Stream Fifteen reported 24 tCO₂e of greenhouse-gas emissions (0.9 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:50082:2025.