Louisa Building
Multifamily Housing in Seattle, WA · 665 S KING ST · 98104
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 55 (band C) |
| Site EUI | 73.5 kBtu/ft² |
| Source EUI | 126.0 kBtu/ft² |
| GHG emissions | 154 tCO₂e |
| GHG intensity | 2.6 kgCO₂e/ft² |
| Electricity | 488,890 kWh |
| Natural gas | 27,313 therms |
| Gross floor area | 64,127 sq ft |
| Source record | seattle:50678:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 55 | +14 | 73.5 kBtu/ft² | 154 tCO₂e |
| 2024 | 41 | -23 | 83.8 kBtu/ft² | 185 tCO₂e |
| 2023 | 64 | 63.9 kBtu/ft² | 118 tCO₂e | |
| 2022 | — | — | 11 tCO₂e | |
| 2021 | — | — | — | |
| 2020 | — | 40.5 kBtu/ft² | 72 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
- 665 S KING ST
- City
- Seattle
- State
- Washington
- ZIP
- 98104
- Coordinates
- 47.59797, -122.32396
Within ~1 km
Nearby benchmarked buildings
- Columbia Centerscore 90
Office · 1,952,220 sq ft
Hospital (General Medical & Surgical) · 1,926,841 sq ft
- Centurylink Field-Stadiumscore —
Stadium (Open) · 1,913,640 sq ft
- Seattle Municipal Towerscore 86
Office · 1,354,987 sq ft
Office · 1,249,055 sq ft
- F5 Towerscore 82
Office · 905,655 sq ft
See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is Louisa Building's energy grade?
Louisa Building scores 55 out of 100 on ENERGY STAR — band C (Below median (55–69)) — in its 2025 Seattle disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Louisa Building use?
Its 2025 site energy-use intensity was 73.5 kBtu/ft² (126.0 kBtu/ft² source) across 64,127 sq ft, including 488,890 kWh of electricity and 27,313 therms of natural gas.
What are Louisa Building's carbon emissions?
Louisa Building reported 154 tCO₂e of greenhouse-gas emissions (2.6 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:50678:2025.