Washington Arms Condominium
Multifamily Housing in Seattle, WA · 1065 E PROSPECT ST · 98102
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 60.7 kBtu/ft² |
| Source EUI | 80.0 kBtu/ft² |
| GHG emissions | 59 tCO₂e |
| GHG intensity | 2.7 kgCO₂e/ft² |
| Electricity | 59,105 kWh |
| Natural gas | 11,134 therms |
| Gross floor area | 21,672 sq ft |
| Source record | seattle:25511:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 60.7 kBtu/ft² | 59 tCO₂e | |
| 2024 | — | 65.6 kBtu/ft² | 66 tCO₂e | |
| 2023 | — | 62.5 kBtu/ft² | 62 tCO₂e | |
| 2022 | — | 99.1 kBtu/ft² | 104 tCO₂e | |
| 2021 | — | 102.7 kBtu/ft² | 108 tCO₂e | |
| 2020 | — | 57.3 kBtu/ft² | 56 tCO₂e | |
| 2019 | — | 72.0 kBtu/ft² | 74 tCO₂e | |
| 2018 | — | 67.8 kBtu/ft² | 69 tCO₂e | |
| 2017 | — | 75.2 kBtu/ft² | 76 tCO₂e | |
| 2016 | — | 65.4 kBtu/ft² | 64 tCO₂e | |
| 2015 | — | 62.7 kBtu/ft² | 61 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
- 1065 E PROSPECT ST
- City
- Seattle
- State
- Washington
- ZIP
- 98102
- Coordinates
- 47.62840, -122.31843
Within ~1 km
Nearby benchmarked buildings
- Joulescore 99
Multifamily Housing · 436,301 sq ft
- The Lyricscore —
Multifamily Housing · 345,949 sq ft
- Equinoxscore 98
Multifamily Housing · 322,771 sq ft
- 188 East Blainescore —
Laboratory · 310,584 sq ft
- 1616 Eastlake Buildingscore —
Laboratory · 281,306 sq ft
Laboratory · 175,918 sq ft
See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is Washington Arms Condominium's energy grade?
Washington Arms Condominium did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 60.7 kBtu/ft².
How much energy does Washington Arms Condominium use?
Its 2025 site energy-use intensity was 60.7 kBtu/ft² (80.0 kBtu/ft² source) across 21,672 sq ft, including 59,105 kWh of electricity and 11,134 therms of natural gas.
What are Washington Arms Condominium's carbon emissions?
Washington Arms Condominium reported 59 tCO₂e of greenhouse-gas emissions (2.7 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:25511:2025.