Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 22.5 kBtu/ft² |
| Source EUI | 62.9 kBtu/ft² |
| GHG emissions | 22 tCO₂e |
| GHG intensity | 0.1 kgCO₂e/ft² |
| Electricity | 1,120,093 kWh |
| Gross floor area | 167,860 sq ft |
| Source record | seattle:713:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 22.5 kBtu/ft² | 22 tCO₂e | |
| 2024 | — | 22.5 kBtu/ft² | 22 tCO₂e | |
| 2023 | — | 24.5 kBtu/ft² | 24 tCO₂e | |
| 2022 | — | 29.2 kBtu/ft² | 29 tCO₂e | |
| 2021 | — | 27.3 kBtu/ft² | 27 tCO₂e | |
| 2020 | — | 30.4 kBtu/ft² | 30 tCO₂e | |
| 2019 | — | 37.4 kBtu/ft² | 36 tCO₂e | |
| 2018 | — | 50.0 kBtu/ft² | 38 tCO₂e | |
| 2017 | 55 | -15 | 52.1 kBtu/ft² | 40 tCO₂e |
| 2016 | 70 | -4 | 52.0 kBtu/ft² | 39 tCO₂e |
| 2015 | 74 | 48.9 kBtu/ft² | 37 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
- 1000 WESTERN AVE
- City
- Seattle
- State
- Washington
- ZIP
- 98104
- Coordinates
- 47.60470, -122.33739
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
- Russell Investments Centerscore 92
Office · 1,592,914 sq ft
- Us Bank Centerscore 87
Office · 1,536,606 sq ft
Office · 1,527,817 sq ft
See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is National Building's energy grade?
National Building did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 22.5 kBtu/ft².
How much energy does National Building use?
Its 2025 site energy-use intensity was 22.5 kBtu/ft² (62.9 kBtu/ft² source) across 167,860 sq ft, including 1,120,093 kWh of electricity.
What are National Building's carbon emissions?
National Building reported 22 tCO₂e of greenhouse-gas emissions (0.1 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:713:2025.