Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 79.0 kBtu/ft² |
| Source EUI | 171.4 kBtu/ft² |
| GHG emissions | 29 tCO₂e |
| GHG intensity | 1.8 kgCO₂e/ft² |
| Electricity | 239,863 kWh |
| Natural gas | 4,622 therms |
| Gross floor area | 36,504 sq ft |
| Source record | seattle:21317:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 79.0 kBtu/ft² | 29 tCO₂e | |
| 2024 | — | 72.4 kBtu/ft² | 25 tCO₂e | |
| 2023 | — | — | 5 tCO₂e | |
| 2022 | — | — | — | |
| 2021 | — | — | — | |
| 2020 | 69 | +67 | 39.4 kBtu/ft² | 8 tCO₂e |
| 2019 | 2 | +1 | 130.0 kBtu/ft² | 17 tCO₂e |
| 2018 | 1 | ±0 | 139.4 kBtu/ft² | 22 tCO₂e |
| 2017 | 1 | -1 | 142.6 kBtu/ft² | 25 tCO₂e |
| 2016 | 2 | -3 | 129.7 kBtu/ft² | 18 tCO₂e |
| 2015 | 5 | 132.1 kBtu/ft² | 18 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.
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Location
- Address
- 1506 5TH AVE
- City
- Seattle
- State
- Washington
- ZIP
- 98101
- Coordinates
- 47.61103, -122.33549
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 Coliseum Building's energy grade?
Coliseum Building did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 79.0 kBtu/ft².
How much energy does Coliseum Building use?
Its 2025 site energy-use intensity was 79.0 kBtu/ft² (171.4 kBtu/ft² source) across 36,504 sq ft, including 239,863 kWh of electricity and 4,622 therms of natural gas.
What are Coliseum Building's carbon emissions?
Coliseum Building reported 29 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.
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Dataset updated . Source: Building Energy Benchmarking disclosure, record seattle:21317:2025.