Stream 403
Multifamily Housing in Seattle, WA · 403 BELMONT AVE E · 98102
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 99 (band A) |
| Site EUI | 30.9 kBtu/ft² |
| Source EUI | 70.8 kBtu/ft² |
| GHG emissions | 20 tCO₂e |
| GHG intensity | 0.6 kgCO₂e/ft² |
| Electricity | 209,725 kWh |
| Natural gas | 2,943 therms |
| Gross floor area | 38,408 sq ft |
| Source record | seattle:50351:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 99 | ±0 | 30.9 kBtu/ft² | 20 tCO₂e |
| 2024 | 99 | +1 | 30.5 kBtu/ft² | 20 tCO₂e |
| 2023 | 98 | -1 | 32.5 kBtu/ft² | 21 tCO₂e |
| 2022 | 99 | 29.6 kBtu/ft² | 4 tCO₂e | |
| 2021 | — | — | — | |
| 2020 | 97 | 33.1 kBtu/ft² | 21 tCO₂e | |
| 2019 | — | — | — | |
| 2018 | — | — | — |
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
- 403 BELMONT AVE E
- City
- Seattle
- State
- Washington
- ZIP
- 98102
- Coordinates
- 47.62215, -122.32431
Within ~1 km
Nearby benchmarked buildings
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- Fhcrc - Arnold Bldgscore 69
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- Nexusscore —
Multifamily Housing · 522,137 sq ft
- Sitka Apartmentsscore 100
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- Kinects Towerscore 87
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- Metropolitan Park Eastscore 84
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See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is Stream 403's energy grade?
Stream 403 scores 99 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 Stream 403 use?
Its 2025 site energy-use intensity was 30.9 kBtu/ft² (70.8 kBtu/ft² source) across 38,408 sq ft, including 209,725 kWh of electricity and 2,943 therms of natural gas.
What are Stream 403's carbon emissions?
Stream 403 reported 20 tCO₂e of greenhouse-gas emissions (0.6 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:50351:2025.