IMPERIAL HOUSE
Multifamily HR (10+) in Seattle, WA · 520 S MAIN ST · 98104
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 56 (band C) |
| Site EUI | 38.5 kBtu/ft² |
| Source EUI | 107.7 kBtu/ft² |
| GHG emissions | 17 tCO₂e |
| GHG intensity | 0.2 kgCO₂e/ft² |
| Electricity | 837,650 kWh |
| Gross floor area | 74,327 sq ft |
| Source record | seattle:26723:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 56 | +15 | 38.5 kBtu/ft² | 17 tCO₂e |
| 2023 | 41 | +13 | 52.8 kBtu/ft² | 78 tCO₂e |
| 2022 | 28 | -1 | 61.9 kBtu/ft² | 104 tCO₂e |
| 2021 | 29 | -1 | 59.2 kBtu/ft² | 92 tCO₂e |
| 2020 | 30 | -2 | 58.8 kBtu/ft² | 101 tCO₂e |
| 2019 | 32 | -11 | 59.5 kBtu/ft² | 106 tCO₂e |
| 2018 | 43 | +14 | 55.0 kBtu/ft² | 99 tCO₂e |
| 2017 | 29 | +5 | 59.9 kBtu/ft² | 95 tCO₂e |
| 2016 | 24 | -3 | 56.6 kBtu/ft² | 93 tCO₂e |
| 2015 | 27 | 55.4 kBtu/ft² | 92 tCO₂e |
Compliance context
Seattle Energy Benchmarking Ordinance (SMC 22.920)
Seattle's Building Emissions Performance Standard (2023) sets declining carbon targets for buildings over 20,000 sq ft, with penalties for non-compliance beginning in the 2030s.
Ownership
No owner listed in the disclosure.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 520 S MAIN ST
- City
- Seattle
- State
- Washington
- ZIP
- 98104
- Coordinates
- 47.60021, -122.32672
Within ~1 km
Nearby benchmarked buildings
- COLUMBIA CENTERscore 90
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- CENTURYLINK FIELD-STADIUMscore —
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- SEATTLE MUNICIPAL TOWERscore 87
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- 999 THIRD AVEscore 86
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See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is IMPERIAL HOUSE's energy grade?
IMPERIAL HOUSE scores 56 out of 100 on ENERGY STAR — band C (Below median (55–69)) — in its 2024 Seattle disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does IMPERIAL HOUSE use?
Its 2024 site energy-use intensity was 38.5 kBtu/ft² (107.7 kBtu/ft² source) across 74,327 sq ft, including 837,650 kWh of electricity.
What are IMPERIAL HOUSE's carbon emissions?
IMPERIAL HOUSE reported 17 tCO₂e of greenhouse-gas emissions (0.2 kgCO₂e/ft²) for 2024. Seattle's Building Emissions Performance Standard (2023) sets declining carbon targets for buildings over 20,000 sq ft, with penalties for non-compliance beginning in the 2030s.
Dataset updated . Source: Building Energy Benchmarking disclosure, record seattle:26723:2024.