Borsen
Multifamily Housing in Seattle, WA · 515 SUMMIT AVE E · 98102
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 94 (band A) |
| Site EUI | 26.4 kBtu/ft² |
| Source EUI | 65.9 kBtu/ft² |
| GHG emissions | 8 tCO₂e |
| GHG intensity | 0.4 kgCO₂e/ft² |
| Electricity | 131,904 kWh |
| Natural gas | 956 therms |
| Gross floor area | 24,837 sq ft |
| Source record | seattle:24782:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 94 | +2 | 26.4 kBtu/ft² | 8 tCO₂e |
| 2024 | 92 | -1 | 26.8 kBtu/ft² | 8 tCO₂e |
| 2023 | 93 | +4 | 26.3 kBtu/ft² | 7 tCO₂e |
| 2022 | 89 | -6 | 28.9 kBtu/ft² | 7 tCO₂e |
| 2021 | 95 | 25.8 kBtu/ft² | 7 tCO₂e | |
| 2020 | — | — | — | |
| 2019 | — | — | — |
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
- 515 SUMMIT AVE E
- City
- Seattle
- State
- Washington
- ZIP
- 98102
- Coordinates
- 47.62365, -122.32561
Within ~1 km
Nearby benchmarked buildings
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- Cascade I & Ii Combinedscore 93
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- Aspira - Apartmentsscore 79
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See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is Borsen's energy grade?
Borsen scores 94 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 Borsen use?
Its 2025 site energy-use intensity was 26.4 kBtu/ft² (65.9 kBtu/ft² source) across 24,837 sq ft, including 131,904 kWh of electricity and 956 therms of natural gas.
What are Borsen's carbon emissions?
Borsen reported 8 tCO₂e of greenhouse-gas emissions (0.4 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:24782:2025.