Winchester Apts
Multifamily Housing in Seattle, WA · 11737 GREENWOOD AVE N · 98133
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 94 (band A) |
| Site EUI | 27.4 kBtu/ft² |
| Source EUI | 76.7 kBtu/ft² |
| GHG emissions | 6 tCO₂e |
| GHG intensity | 0.2 kgCO₂e/ft² |
| Electricity | 301,701 kWh |
| Gross floor area | 37,580 sq ft |
| Source record | seattle:25139:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 94 | +5 | 27.4 kBtu/ft² | 6 tCO₂e |
| 2024 | 89 | +4 | 28.4 kBtu/ft² | 6 tCO₂e |
| 2023 | 85 | -8 | 30.3 kBtu/ft² | 7 tCO₂e |
| 2022 | 93 | -1 | 28.3 kBtu/ft² | 6 tCO₂e |
| 2021 | 94 | +5 | 27.6 kBtu/ft² | 6 tCO₂e |
| 2020 | 89 | -2 | 29.2 kBtu/ft² | 6 tCO₂e |
| 2019 | 91 | +1 | 28.8 kBtu/ft² | 6 tCO₂e |
| 2018 | 90 | +3 | 29.1 kBtu/ft² | 6 tCO₂e |
| 2017 | 87 | +5 | 29.9 kBtu/ft² | 7 tCO₂e |
| 2016 | 82 | -4 | 29.7 kBtu/ft² | 7 tCO₂e |
| 2015 | 86 | 28.5 kBtu/ft² | 6 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
- 11737 GREENWOOD AVE N
- City
- Seattle
- State
- Washington
- ZIP
- 98133
- Coordinates
- 47.71537, -122.35594
Within ~1 km
Nearby benchmarked buildings
- Ida Culver House - Broadviewscore 95
Multifamily Housing · 284,970 sq ft
- The Daniels Aptsscore 99
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- Ashford Apartmentsscore 74
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- OLYMPIC VIEW APTSscore —
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- Sterling Manorscore 95
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See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is Winchester Apts's energy grade?
Winchester Apts 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 Winchester Apts use?
Its 2025 site energy-use intensity was 27.4 kBtu/ft² (76.7 kBtu/ft² source) across 37,580 sq ft, including 301,701 kWh of electricity.
What are Winchester Apts's carbon emissions?
Winchester Apts reported 6 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:25139:2025.