Viceroy Apts
Multifamily Housing in Seattle, WA · 505 BOYLSTON AVE E · 98102
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 92 (band A) |
| Site EUI | 46.6 kBtu/ft² |
| Source EUI | 68.7 kBtu/ft² |
| GHG emissions | 67 tCO₂e |
| GHG intensity | 1.9 kgCO₂e/ft² |
| Electricity | 116,147 kWh |
| Natural gas | 12,413 therms |
| Gross floor area | 41,241 sq ft |
| Source record | seattle:25177:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 92 | -5 | 46.6 kBtu/ft² | 67 tCO₂e |
| 2024 | 97 | +1 | 37.5 kBtu/ft² | 51 tCO₂e |
| 2023 | 96 | +91 | 40.7 kBtu/ft² | 57 tCO₂e |
| 2022 | 5 | +4 | 130.7 kBtu/ft² | 226 tCO₂e |
| 2021 | 1 | -96 | 159.3 kBtu/ft² | 280 tCO₂e |
| 2020 | 97 | +14 | 42.7 kBtu/ft² | 64 tCO₂e |
| 2019 | 83 | +7 | 59.3 kBtu/ft² | 96 tCO₂e |
| 2018 | 76 | -3 | 64.7 kBtu/ft² | 107 tCO₂e |
| 2017 | 79 | +10 | 69.1 kBtu/ft² | 114 tCO₂e |
| 2016 | 69 | +5 | 68.2 kBtu/ft² | 111 tCO₂e |
| 2015 | 64 | 69.7 kBtu/ft² | 113 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
- 505 BOYLSTON AVE E
- City
- Seattle
- State
- Washington
- ZIP
- 98102
- Coordinates
- 47.62328, -122.32343
Within ~1 km
Nearby benchmarked buildings
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- 1150 Eastlakescore —
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See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is Viceroy Apts's energy grade?
Viceroy Apts scores 92 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 Viceroy Apts use?
Its 2025 site energy-use intensity was 46.6 kBtu/ft² (68.7 kBtu/ft² source) across 41,241 sq ft, including 116,147 kWh of electricity and 12,413 therms of natural gas.
What are Viceroy Apts's carbon emissions?
Viceroy Apts reported 67 tCO₂e of greenhouse-gas emissions (1.9 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:25177:2025.