Midtown Square
Multifamily Housing in Seattle, WA · 2301 E UNION ST · 98122
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 61 (band C) |
| Site EUI | 47.5 kBtu/ft² |
| Source EUI | 105.5 kBtu/ft² |
| GHG emissions | 268 tCO₂e |
| GHG intensity | 1.0 kgCO₂e/ft² |
| Electricity | 2,469,520 kWh |
| Natural gas | 41,917 therms |
| Gross floor area | 427,863 sq ft |
| Source record | seattle:50946:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 61 | ±0 | 47.5 kBtu/ft² | 268 tCO₂e |
| 2024 | 61 | -6 | 47.0 kBtu/ft² | 260 tCO₂e |
| 2023 | 67 | 45.4 kBtu/ft² | 259 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
- 2301 E UNION ST
- City
- Seattle
- State
- Washington
- ZIP
- 98122
- Coordinates
- 47.61277, -122.30200
Within ~1 km
Nearby benchmarked buildings
Hospital (General Medical & Surgical) · 597,519 sq ft
Multifamily Housing · 436,074 sq ft
Medical Office · 320,946 sq ft
- Garfield High (Sps-District)score 81
K-12 School · 254,523 sq ft
- East Union Apartmentsscore 21
Multifamily Housing · 184,974 sq ft
Multifamily Housing · 183,379 sq ft
See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is Midtown Square's energy grade?
Midtown Square scores 61 out of 100 on ENERGY STAR — band C (Below median (55–69)) — in its 2025 Seattle disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Midtown Square use?
Its 2025 site energy-use intensity was 47.5 kBtu/ft² (105.5 kBtu/ft² source) across 427,863 sq ft, including 2,469,520 kWh of electricity and 41,917 therms of natural gas.
What are Midtown Square's carbon emissions?
Midtown Square reported 268 tCO₂e of greenhouse-gas emissions (1.0 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:50946:2025.