At a glance
51 University (Schwabacher Bldg.) is a 117,182-square-foot office building at 51 UNIVERSITY ST in Seattle, Washington, built in 1918.
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | — |
| Source EUI | — |
| GHG emissions | — |
| GHG intensity | — |
| Electricity | 1,093,241 kWh |
| Gross floor area | 117,182 sq ft |
| Source record | seattle:712:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | — | — | |
| 2024 | 86 | +3 | 31.1 kBtu/ft² | 24 tCO₂e |
| 2023 | 83 | +12 | 35.4 kBtu/ft² | 51 tCO₂e |
| 2022 | 71 | +9 | 46.1 kBtu/ft² | 67 tCO₂e |
| 2021 | 62 | 44.8 kBtu/ft² | 30 tCO₂e | |
| 2020 | — | 37.2 kBtu/ft² | 68 tCO₂e | |
| 2019 | — | 43.5 kBtu/ft² | 51 tCO₂e | |
| 2018 | — | 45.9 kBtu/ft² | 58 tCO₂e | |
| 2017 | — | 48.9 kBtu/ft² | 59 tCO₂e | |
| 2016 | — | 45.8 kBtu/ft² | 46 tCO₂e | |
| 2015 | 75 | 51.8 kBtu/ft² | 53 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
- 51 UNIVERSITY ST
- City
- Seattle
- State
- Washington
- ZIP
- 98101
- Coordinates
- 47.60604, -122.33948
Within ~1 km
Nearby benchmarked buildings
- Seattle Convention Centerscore —
Convention Center · 1,842,925 sq ft
- Two Union Squarescore 96
Office · 1,605,578 sq ft
- Russell Investments Centerscore 92
Office · 1,592,914 sq ft
- Us Bank Centerscore 87
Office · 1,536,606 sq ft
Office · 1,527,817 sq ft
Office · 1,413,575 sq ft
See also: most efficient in Seattle · biggest emitters
How does 51 University (Schwabacher Bldg.) compare with other office buildings in Seattle?
The latest disclosures cover 497 office buildings in Seattle, out of 3,871 buildings citywide.
At 117,182 sq ft, it is about 40% below the average floor area of 196,452 sq ft for those buildings. It was built in 1918, 47 years earlier than the group's average year built (1965). Across all 24 jurisdictions BuildingCensus covers, the 15,264 office buildings average an ENERGY STAR score of 73 and a site EUI of 59.3 kBtu/ft².
How has 51 University (Schwabacher Bldg.)'s energy performance changed over time?
BuildingCensus holds 11 Seattle disclosures for 51 University (Schwabacher Bldg.), covering report years 2015–2025. Its ENERGY STAR score went from 75 in 2015 to 86 in 2024 (+11 points). Site EUI moved from 51.8 kBtu/ft² (2015) to 31.1 kBtu/ft² (2024), a 40% decrease. Reported emissions went from 53 tCO₂e to 24 tCO₂e over the same span (down 55%).
Which law requires 51 University (Schwabacher Bldg.) to report its energy use?
51 University (Schwabacher Bldg.) reports under the Seattle Energy Benchmarking Ordinance (SMC 22.920), the legal basis of Seattle's Building Energy Benchmarking program, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2025 disclosure (source record seattle:712:2025). 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.
More office buildings in Seattle
- Pier 70· 116,430 sq ft · EUI 108.6 kBtu/ft²
- 101 STEWART· 115,857 sq ft · score 79 (B)
- Yesler Building - King County· 114,395 sq ft · score 81 (B)
- 4545 15th Ave Ne· 113,944 sq ft · score 1 (D)
- Polson Building· 112,560 sq ft · score 94 (A)
- Interbay Work Lofts· 111,750 sq ft · score 100 (A)
- Office buildings in Seattle· 497 benchmarked
- All Seattle benchmarked buildings· Seattle Energy Benchmarking Ordinance (SMC 22.920)
- Most efficient large buildings in Seattle
- Least efficient large buildings in Seattle
- Biggest emitters in Seattle
Frequently asked questions
What is 51 University (Schwabacher Bldg.)'s energy grade?
51 University (Schwabacher Bldg.) did not report an ENERGY STAR score in its 2025 disclosure.
How much energy does 51 University (Schwabacher Bldg.) use?
No energy-use intensity was reported for 2025.
What are 51 University (Schwabacher Bldg.)'s carbon emissions?
No greenhouse-gas emissions figure was reported for 2025.
Where is 51 University (Schwabacher Bldg.)?
51 University (Schwabacher Bldg.) is at 51 UNIVERSITY ST, in Seattle, Washington 98101. Its coordinates are 47.60604, -122.33948 (latitude, longitude), as published in the Building Energy Benchmarking file.
How big is 51 University (Schwabacher Bldg.) and when was it built?
51 University (Schwabacher Bldg.) has 117,182 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 1918 as its year built. It is classed as office.
Is 51 University (Schwabacher Bldg.) covered by the Seattle Energy Benchmarking Ordinance (SMC 22.920)?
Yes — it appears in the 2025 Building Energy Benchmarking disclosure, which lists the buildings reporting under the Seattle Energy Benchmarking Ordinance (SMC 22.920).
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About this data
Source: Building Energy Benchmarking (Seattle Energy Benchmarking Ordinance (SMC 22.920)), as published October 2, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “51 University (Schwabacher Bldg.), Seattle, Washington — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/seattle/51-university-schwabacher-bldg-b9084353 (data as of October 2, 2026).