O2 Apartments
Multifamily HR (10+) in Seattle, WA · 2401 3RD AVE · 98121
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 77 (band B) |
| Site EUI | 47.5 kBtu/ft² |
| Source EUI | 85.6 kBtu/ft² |
| GHG emissions | 220 tCO₂e |
| GHG intensity | 1.6 kgCO₂e/ft² |
| Electricity | 847,829 kWh |
| Natural gas | 38,325 therms |
| Gross floor area | 167,344 sq ft |
| Source record | seattle:50377:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 77 | -17 | 47.5 kBtu/ft² | 220 tCO₂e |
| 2023 | 94 | ±0 | 34.2 kBtu/ft² | 121 tCO₂e |
| 2022 | 94 | ±0 | 35.7 kBtu/ft² | 133 tCO₂e |
| 2021 | 94 | -1 | 36.5 kBtu/ft² | 147 tCO₂e |
| 2020 | 95 | -5 | 33.5 kBtu/ft² | 131 tCO₂e |
| 2019 | 100 | 21.4 kBtu/ft² | 89 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
- 2401 3RD AVE
- City
- Seattle
- State
- Washington
- ZIP
- 98121
- Coordinates
- 47.61543, -122.34651
Within ~1 km
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See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is O2 Apartments's energy grade?
O2 Apartments scores 77 out of 100 on ENERGY STAR — band B (Above median (70–84)) — in its 2024 Seattle disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does O2 Apartments use?
Its 2024 site energy-use intensity was 47.5 kBtu/ft² (85.6 kBtu/ft² source) across 167,344 sq ft, including 847,829 kWh of electricity and 38,325 therms of natural gas.
What are O2 Apartments's carbon emissions?
O2 Apartments reported 220 tCO₂e of greenhouse-gas emissions (1.6 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:50377:2024.