UNION BAY PLAZA
Medical Office in Seattle, WA · 4540 UNION BAY PL NE · 98105
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 61 (band C) |
| Site EUI | 65.1 kBtu/ft² |
| Source EUI | 131.8 kBtu/ft² |
| GHG emissions | 42 tCO₂e |
| GHG intensity | 1.9 kgCO₂e/ft² |
| Electricity | 253,535 kWh |
| Natural gas | 6,904 therms |
| Gross floor area | 22,135 sq ft |
| Source record | seattle:21916:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 61 | +9 | 65.1 kBtu/ft² | 42 tCO₂e |
| 2023 | 52 | 67.5 kBtu/ft² | 43 tCO₂e | |
| 2022 | — | — | 6 tCO₂e | |
| 2021 | — | — | — | |
| 2020 | — | 34.2 kBtu/ft² | 17 tCO₂e | |
| 2019 | — | 37.5 kBtu/ft² | 17 tCO₂e | |
| 2018 | — | 60.0 kBtu/ft² | 29 tCO₂e | |
| 2017 | — | 56.8 kBtu/ft² | 30 tCO₂e | |
| 2016 | — | 55.0 kBtu/ft² | 26 tCO₂e | |
| 2015 | — | 55.0 kBtu/ft² | 24 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
- 4540 UNION BAY PL NE
- City
- Seattle
- State
- Washington
- ZIP
- 98105
- Coordinates
- 47.66246, -122.29342
Within ~1 km
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See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is UNION BAY PLAZA's energy grade?
UNION BAY PLAZA scores 61 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 UNION BAY PLAZA use?
Its 2024 site energy-use intensity was 65.1 kBtu/ft² (131.8 kBtu/ft² source) across 22,135 sq ft, including 253,535 kWh of electricity and 6,904 therms of natural gas.
What are UNION BAY PLAZA's carbon emissions?
UNION BAY PLAZA reported 42 tCO₂e of greenhouse-gas emissions (1.9 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:21916:2024.