Old Colony Condominium
Multifamily Housing in Seattle, WA · 615 BOREN AVE · 98104
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 91 (band A) |
| Site EUI | 22.3 kBtu/ft² |
| Source EUI | 62.4 kBtu/ft² |
| GHG emissions | 6 tCO₂e |
| GHG intensity | 0.1 kgCO₂e/ft² |
| Electricity | 281,702 kWh |
| Gross floor area | 43,162 sq ft |
| Source record | seattle:25220:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 91 | +3 | 22.3 kBtu/ft² | 6 tCO₂e |
| 2024 | 88 | +2 | 23.3 kBtu/ft² | 6 tCO₂e |
| 2023 | 86 | -3 | 24.6 kBtu/ft² | 6 tCO₂e |
| 2022 | 89 | 24.3 kBtu/ft² | 6 tCO₂e | |
| 2021 | — | — | — | |
| 2020 | 78 | -9 | 25.9 kBtu/ft² | 7 tCO₂e |
| 2019 | 87 | +1 | 23.7 kBtu/ft² | 6 tCO₂e |
| 2018 | 86 | +5 | 23.8 kBtu/ft² | 6 tCO₂e |
| 2017 | 81 | -5 | 26.4 kBtu/ft² | 7 tCO₂e |
| 2016 | 86 | -3 | 26.0 kBtu/ft² | 7 tCO₂e |
| 2015 | 89 | 24.9 kBtu/ft² | 6 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
- 615 BOREN AVE
- City
- Seattle
- State
- Washington
- ZIP
- 98104
- Coordinates
- 47.60675, -122.32345
Within ~1 km
Nearby benchmarked buildings
College/University · 2,099,379 sq ft
Parking · 2,080,885 sq ft
- Columbia Centerscore 90
Office · 1,952,220 sq ft
Hospital (General Medical & Surgical) · 1,926,841 sq ft
- Seattle Municipal Towerscore 86
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Office · 1,249,055 sq ft
See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is Old Colony Condominium's energy grade?
Old Colony Condominium 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 Old Colony Condominium use?
Its 2025 site energy-use intensity was 22.3 kBtu/ft² (62.4 kBtu/ft² source) across 43,162 sq ft, including 281,702 kWh of electricity.
What are Old Colony Condominium's carbon emissions?
Old Colony Condominium reported 6 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:25220:2025.