Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 95 (band A) |
| Site EUI | 24.2 kBtu/ft² |
| Source EUI | 67.7 kBtu/ft² |
| GHG emissions | 12 tCO₂e |
| GHG intensity | 0.1 kgCO₂e/ft² |
| Electricity | 618,110 kWh |
| Gross floor area | 56,700 sq ft |
| Source record | seattle:679:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 95 | +1 | 24.2 kBtu/ft² | 12 tCO₂e |
| 2024 | 94 | +2 | 25.7 kBtu/ft² | 13 tCO₂e |
| 2023 | 92 | 28.5 kBtu/ft² | 14 tCO₂e | |
| 2022 | — | — | — | |
| 2021 | — | — | — | |
| 2020 | 51 | +9 | 48.2 kBtu/ft² | 16 tCO₂e |
| 2019 | 42 | -11 | 54.2 kBtu/ft² | 18 tCO₂e |
| 2018 | 53 | +18 | 47.4 kBtu/ft² | 16 tCO₂e |
| 2017 | 35 | -20 | 54.1 kBtu/ft² | 18 tCO₂e |
| 2016 | 55 | +10 | 54.3 kBtu/ft² | 18 tCO₂e |
| 2015 | 45 | 60.8 kBtu/ft² | 20 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
- 605 1ST AVE
- City
- Seattle
- State
- Washington
- ZIP
- 98104
- Coordinates
- 47.60197, -122.33437
Within ~1 km
Nearby benchmarked buildings
- Columbia Centerscore 90
Office · 1,952,220 sq ft
- Centurylink Field-Stadiumscore —
Stadium (Open) · 1,913,640 sq ft
- Russell Investments Centerscore 92
Office · 1,592,914 sq ft
Office · 1,527,817 sq ft
Office · 1,413,575 sq ft
- Seattle Municipal Towerscore 86
Office · 1,354,987 sq ft
See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is Mutual Life Building's energy grade?
Mutual Life Building scores 95 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 Mutual Life Building use?
Its 2025 site energy-use intensity was 24.2 kBtu/ft² (67.7 kBtu/ft² source) across 56,700 sq ft, including 618,110 kWh of electricity.
What are Mutual Life Building's carbon emissions?
Mutual Life Building reported 12 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:679:2025.