Sheffield Apartments
Multifamily Housing in Seattle, WA · 605 BOYLSTON AVE E · 98102
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 76 (band B) |
| Site EUI | 29.0 kBtu/ft² |
| Source EUI | 81.3 kBtu/ft² |
| GHG emissions | 7 tCO₂e |
| GHG intensity | 0.2 kgCO₂e/ft² |
| Electricity | 352,227 kWh |
| Gross floor area | 41,396 sq ft |
| Source record | seattle:25175:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 76 | +12 | 29.0 kBtu/ft² | 7 tCO₂e |
| 2024 | 64 | -4 | 31.7 kBtu/ft² | 8 tCO₂e |
| 2023 | 68 | -3 | 31.4 kBtu/ft² | 8 tCO₂e |
| 2022 | 71 | 31.4 kBtu/ft² | 8 tCO₂e | |
| 2021 | — | — | — | |
| 2020 | 68 | +1 | 28.3 kBtu/ft² | 7 tCO₂e |
| 2019 | 67 | -7 | 28.8 kBtu/ft² | 7 tCO₂e |
| 2018 | 74 | +16 | 27.1 kBtu/ft² | 7 tCO₂e |
| 2017 | 58 | +3 | 30.9 kBtu/ft² | 7 tCO₂e |
| 2016 | 55 | +1 | 28.7 kBtu/ft² | 7 tCO₂e |
| 2015 | 54 | 29.0 kBtu/ft² | 7 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
- 605 BOYLSTON AVE E
- City
- Seattle
- State
- Washington
- ZIP
- 98102
- Coordinates
- 47.62464, -122.32333
Within ~1 km
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See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is Sheffield Apartments's energy grade?
Sheffield Apartments scores 76 out of 100 on ENERGY STAR — band B (Above median (70–84)) — in its 2025 Seattle disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Sheffield Apartments use?
Its 2025 site energy-use intensity was 29.0 kBtu/ft² (81.3 kBtu/ft² source) across 41,396 sq ft, including 352,227 kWh of electricity.
What are Sheffield Apartments's carbon emissions?
Sheffield Apartments reported 7 tCO₂e of greenhouse-gas emissions (0.2 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:25175:2025.