Borealis Apartments
Multifamily Housing in Seattle, WA · 109 DEXTER AVE N · 98109
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 96 (band A) |
| Site EUI | 32.2 kBtu/ft² |
| Source EUI | 63.8 kBtu/ft² |
| GHG emissions | 51 tCO₂e |
| GHG intensity | 0.8 kgCO₂e/ft² |
| Electricity | 307,940 kWh |
| Natural gas | 9,252 therms |
| Gross floor area | 60,364 sq ft |
| Source record | seattle:21539:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 96 | -2 | 32.2 kBtu/ft² | 51 tCO₂e |
| 2024 | 98 | +1 | 28.4 kBtu/ft² | 43 tCO₂e |
| 2023 | 97 | -2 | 29.7 kBtu/ft² | 46 tCO₂e |
| 2022 | 99 | +1 | 26.6 kBtu/ft² | 35 tCO₂e |
| 2021 | 98 | +1 | 28.8 kBtu/ft² | 43 tCO₂e |
| 2020 | 97 | 29.6 kBtu/ft² | 47 tCO₂e | |
| 2019 | — | 25.2 kBtu/ft² | 34 tCO₂e | |
| 2018 | — | 29.2 kBtu/ft² | 49 tCO₂e | |
| 2017 | — | 27.4 kBtu/ft² | 41 tCO₂e | |
| 2016 | 86 | 25.8 kBtu/ft² | 37 tCO₂e | |
| 2015 | — | 44.3 kBtu/ft² | 48 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
- 109 DEXTER AVE N
- City
- Seattle
- State
- Washington
- ZIP
- 98109
- Coordinates
- 47.61868, -122.34266
Within ~1 km
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See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is Borealis Apartments's energy grade?
Borealis Apartments scores 96 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 Borealis Apartments use?
Its 2025 site energy-use intensity was 32.2 kBtu/ft² (63.8 kBtu/ft² source) across 60,364 sq ft, including 307,940 kWh of electricity and 9,252 therms of natural gas.
What are Borealis Apartments's carbon emissions?
Borealis Apartments reported 51 tCO₂e of greenhouse-gas emissions (0.8 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:21539:2025.