Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 91 (band A) |
| Site EUI | 29.0 kBtu/ft² |
| Source EUI | 79.0 kBtu/ft² |
| GHG emissions | 19 tCO₂e |
| GHG intensity | 0.2 kgCO₂e/ft² |
| Electricity | 687,320 kWh |
| Natural gas | 1,033 therms |
| Gross floor area | 95,000 sq ft |
| Source record | seattle:778:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 91 | +4 | 29.0 kBtu/ft² | 19 tCO₂e |
| 2024 | 87 | +1 | 33.0 kBtu/ft² | 20 tCO₂e |
| 2023 | 86 | -5 | 37.6 kBtu/ft² | 45 tCO₂e |
| 2022 | 91 | +1 | 34.3 kBtu/ft² | 29 tCO₂e |
| 2021 | 90 | +2 | 38.3 kBtu/ft² | 52 tCO₂e |
| 2020 | 88 | +9 | 42.4 kBtu/ft² | 69 tCO₂e |
| 2019 | 79 | +6 | 46.4 kBtu/ft² | 41 tCO₂e |
| 2018 | 73 | +4 | 50.7 kBtu/ft² | 38 tCO₂e |
| 2017 | 69 | -14 | 49.5 kBtu/ft² | 30 tCO₂e |
| 2016 | 83 | -1 | 48.0 kBtu/ft² | 27 tCO₂e |
| 2015 | 84 | 48.6 kBtu/ft² | 35 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 1ST AVE S
- City
- Seattle
- State
- Washington
- ZIP
- 98104
- Coordinates
- 47.59810, -122.33369
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
- Seattle Municipal Towerscore 86
Office · 1,354,987 sq ft
- 999 Third Avescore 88
Office · 1,323,055 sq ft
Office · 1,249,055 sq ft
- T-Mobile Park (Safeco Field)score —
Other - Entertainment/Public Assembly · 1,172,127 sq ft
See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is 101 King Street's energy grade?
101 King Street scores 91 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 101 King Street use?
Its 2025 site energy-use intensity was 29.0 kBtu/ft² (79.0 kBtu/ft² source) across 95,000 sq ft, including 687,320 kWh of electricity and 1,033 therms of natural gas.
What are 101 King Street's carbon emissions?
101 King Street reported 19 tCO₂e of greenhouse-gas emissions (0.2 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:778:2025.