Broadstone Clarendon
Multifamily Housing in Seattle, WA · 105 WARREN AVE N · 98109
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 98 (band A) |
| Site EUI | 33.1 kBtu/ft² |
| Source EUI | 73.7 kBtu/ft² |
| GHG emissions | 48 tCO₂e |
| GHG intensity | 0.7 kgCO₂e/ft² |
| Electricity | 441,468 kWh |
| Natural gas | 7,318 therms |
| Gross floor area | 91,909 sq ft |
| Source record | seattle:50242:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 98 | +3 | 33.1 kBtu/ft² | 48 tCO₂e |
| 2024 | 95 | -2 | 39.6 kBtu/ft² | 70 tCO₂e |
| 2023 | 97 | +1 | 36.6 kBtu/ft² | 59 tCO₂e |
| 2022 | 96 | -4 | 36.4 kBtu/ft² | 54 tCO₂e |
| 2021 | 100 | +3 | 13.7 kBtu/ft² | 42 tCO₂e |
| 2020 | 97 | -3 | 34.6 kBtu/ft² | 55 tCO₂e |
| 2019 | 100 | 27.5 kBtu/ft² | 55 tCO₂e | |
| 2018 | — | — | 8 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
- 105 WARREN AVE N
- City
- Seattle
- State
- Washington
- ZIP
- 98109
- Coordinates
- 47.61894, -122.35447
Within ~1 km
Nearby benchmarked buildings
- Climate Pledge Arenascore —
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- Olympus Aptsscore 97
Multifamily Housing · 590,869 sq ft
Mixed Use Property · 524,610 sq ft
- Avalon Belltown Towersscore 72
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- Third And Broad Bldgscore 94
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- Armory - Seattle Centerscore —
Other · 396,085 sq ft
See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is Broadstone Clarendon's energy grade?
Broadstone Clarendon scores 98 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 Broadstone Clarendon use?
Its 2025 site energy-use intensity was 33.1 kBtu/ft² (73.7 kBtu/ft² source) across 91,909 sq ft, including 441,468 kWh of electricity and 7,318 therms of natural gas.
What are Broadstone Clarendon's carbon emissions?
Broadstone Clarendon reported 48 tCO₂e of greenhouse-gas emissions (0.7 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:50242:2025.