Walton Lofts
Multifamily Housing in Seattle, WA · 2521 WESTERN AVE · 98121
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 82 (band B) |
| Site EUI | 39.6 kBtu/ft² |
| Source EUI | 92.5 kBtu/ft² |
| GHG emissions | 89 tCO₂e |
| GHG intensity | 0.7 kgCO₂e/ft² |
| Electricity | 1,049,024 kWh |
| Natural gas | 12,785 therms |
| Gross floor area | 123,686 sq ft |
| Source record | seattle:50029:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 82 | -5 | 39.6 kBtu/ft² | 89 tCO₂e |
| 2024 | 87 | -3 | 35.5 kBtu/ft² | 64 tCO₂e |
| 2023 | 90 | +4 | 35.0 kBtu/ft² | 67 tCO₂e |
| 2022 | 86 | +4 | 36.5 kBtu/ft² | 60 tCO₂e |
| 2021 | 82 | -1 | 39.3 kBtu/ft² | 77 tCO₂e |
| 2020 | 83 | +5 | 35.9 kBtu/ft² | 73 tCO₂e |
| 2019 | 78 | -1 | 38.4 kBtu/ft² | 81 tCO₂e |
| 2018 | 79 | -6 | 38.1 kBtu/ft² | 81 tCO₂e |
| 2017 | 85 | +8 | 35.4 kBtu/ft² | 84 tCO₂e |
| 2016 | 77 | 29.7 kBtu/ft² | 83 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
- 2521 WESTERN AVE
- City
- Seattle
- State
- Washington
- ZIP
- 98121
- Coordinates
- 47.61428, -122.35056
Within ~1 km
Nearby benchmarked buildings
- Insignia Condosscore 47
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- 333 Dexter Ave Nscore 84
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- Climate Pledge Arenascore —
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- Olympus Aptsscore 97
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Mixed Use Property · 524,610 sq ft
- Spire Condosscore 87
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See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is Walton Lofts's energy grade?
Walton Lofts scores 82 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 Walton Lofts use?
Its 2025 site energy-use intensity was 39.6 kBtu/ft² (92.5 kBtu/ft² source) across 123,686 sq ft, including 1,049,024 kWh of electricity and 12,785 therms of natural gas.
What are Walton Lofts's carbon emissions?
Walton Lofts reported 89 tCO₂e of greenhouse-gas emissions (0.7 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:50029:2025.