Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 85 (band A) |
| Site EUI | 43.9 kBtu/ft² |
| Source EUI | 89.2 kBtu/ft² |
| GHG emissions | 249 tCO₂e |
| GHG intensity | 1.8 kgCO₂e/ft² |
| Electricity | 907,528 kWh |
| Gross floor area | 135,918 sq ft |
| Source record | seattle:403:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 85 | +1 | 43.9 kBtu/ft² | 249 tCO₂e |
| 2024 | 84 | -1 | 45.6 kBtu/ft² | 261 tCO₂e |
| 2023 | 85 | +1 | 44.6 kBtu/ft² | 259 tCO₂e |
| 2022 | 84 | -3 | 48.1 kBtu/ft² | 302 tCO₂e |
| 2021 | 87 | -4 | 42.7 kBtu/ft² | 253 tCO₂e |
| 2020 | 91 | +4 | 37.2 kBtu/ft² | 193 tCO₂e |
| 2019 | 87 | +10 | 47.4 kBtu/ft² | 275 tCO₂e |
| 2018 | 77 | +4 | 48.1 kBtu/ft² | 240 tCO₂e |
| 2017 | 73 | -18 | 51.6 kBtu/ft² | 281 tCO₂e |
| 2016 | 91 | +5 | 44.4 kBtu/ft² | 197 tCO₂e |
| 2015 | 86 | 50.4 kBtu/ft² | 195 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
- 500 UNION ST
- City
- Seattle
- State
- Washington
- ZIP
- 98101
- Coordinates
- 47.61003, -122.33452
Within ~1 km
Nearby benchmarked buildings
- Columbia Centerscore 90
Office · 1,952,220 sq ft
- Seattle Convention Centerscore —
Convention Center · 1,842,925 sq ft
- Two Union Squarescore 96
Office · 1,605,578 sq ft
Office · 1,599,394 sq ft
- Day 1 Tower And Spheres (Amazon)score 93
Office · 1,599,230 sq ft
- Russell Investments Centerscore 92
Office · 1,592,914 sq ft
See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is Logan Building's energy grade?
Logan Building scores 85 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 Logan Building use?
Its 2025 site energy-use intensity was 43.9 kBtu/ft² (89.2 kBtu/ft² source) across 135,918 sq ft, including 907,528 kWh of electricity.
What are Logan Building's carbon emissions?
Logan Building reported 249 tCO₂e of greenhouse-gas emissions (1.8 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.
Working with Seattle building benchmarking records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
Dataset updated . Source: Building Energy Benchmarking disclosure, record seattle:403:2025.