Port Of Seattle- Terminal 30 (Campus)
Mixed Use Property in Seattle, WA · 1901 EAST MARGINAL WAY S · 98134
At a glance
Port Of Seattle- Terminal 30 (Campus) is a 68,640-square-foot mixed use property building at 1901 EAST MARGINAL WAY S in Seattle, Washington, built in 2003. In its 2025 Seattle benchmarking disclosure it reported a site energy-use intensity of 23.8 kBtu/ft² and 89 tCO₂e of greenhouse-gas emissions.
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 23.8 kBtu/ft² |
| Source EUI | 65.3 kBtu/ft² |
| GHG emissions | 89 tCO₂e |
| GHG intensity | 1.0 kgCO₂e/ft² |
| Electricity | 629,146 kWh |
| Natural gas | 14,645 therms |
| Gross floor area | 68,640 sq ft |
| Source record | seattle:253:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 23.8 kBtu/ft² | 89 tCO₂e | |
| 2024 | — | 75.5 kBtu/ft² | 112 tCO₂e | |
| 2023 | — | 72.8 kBtu/ft² | 106 tCO₂e | |
| 2022 | — | 96.7 kBtu/ft² | 142 tCO₂e | |
| 2021 | — | 138.3 kBtu/ft² | 187 tCO₂e | |
| 2020 | — | 122.3 kBtu/ft² | 55 tCO₂e | |
| 2019 | — | 92.2 kBtu/ft² | 50 tCO₂e | |
| 2018 | — | 95.7 kBtu/ft² | 52 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.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 1901 EAST MARGINAL WAY S
- City
- Seattle
- State
- Washington
- ZIP
- 98134
- Coordinates
- 47.58405, -122.34223
Within ~1 km
Nearby benchmarked buildings
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- Home Plate Center Bldg Bscore 99
Office · 333,714 sq ft
- Stadium Innovation Centerscore —
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- Home Plate Center Bldg Ascore 76
Office · 202,428 sq ft
- Outdoor Researchscore —
Non-Refrigerated Warehouse · 144,050 sq ft
Non-Refrigerated Warehouse · 115,668 sq ft
See also: most efficient in Seattle · biggest emitters
How does Port Of Seattle- Terminal 30 (Campus) compare with other mixed use property buildings in Seattle?
The latest disclosures cover 157 mixed use property buildings in Seattle, out of 3,871 buildings citywide. Its site EUI of 23.8 kBtu/ft² is about 65% below the average of 68.7 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 1.0 kgCO₂e/ft² is about 31% below the group average of 1.4 kgCO₂e/ft².
At 68,640 sq ft, it is about 58% below the average floor area of 165,352 sq ft for those buildings. It was built in 2003, 35 years later than the group's average year built (1968). Across all 24 jurisdictions BuildingCensus covers, the 1,212 mixed use property buildings average an ENERGY STAR score of 69 and a site EUI of 79.8 kBtu/ft².
How has Port Of Seattle- Terminal 30 (Campus)'s energy performance changed over time?
BuildingCensus holds 8 Seattle disclosures for Port Of Seattle- Terminal 30 (Campus), covering report years 2018–2025. Site EUI moved from 95.7 kBtu/ft² (2018) to 23.8 kBtu/ft² (2025), a 75% decrease. Reported emissions went from 52 tCO₂e to 89 tCO₂e over the same span (up 72%).
What does a site EUI of 23.8 kBtu/ft² mean?
Site energy-use intensity (EUI) is the energy a building uses on site in a year divided by its floor area, in thousand Btu per square foot — lower is more efficient. Port Of Seattle- Terminal 30 (Campus)'s 23.8 kBtu/ft² across 68,640 sq ft works out to about 1.6 billion Btu (479 MWh-equivalent) in 2025. Its source EUI of 65.3 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 629,146 kWh of electricity and 14,645 therms of natural gas for the year.
Which law requires Port Of Seattle- Terminal 30 (Campus) to report its energy use?
Port Of Seattle- Terminal 30 (Campus) 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:253:2025). 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 mixed use property buildings in Seattle
- Othello Building· 67,920 sq ft · EUI 44.9 kBtu/ft²
- Filson World Headquarters Lp· 66,480 sq ft · EUI 146.9 kBtu/ft²
- Kcpq (Fox13)· 66,462 sq ft · EUI 139.6 kBtu/ft²
- Market House Condominium· 66,460 sq ft · EUI 72.5 kBtu/ft²
- Mann Building/Wild Ginger/Triple Door· 64,597 sq ft · EUI 162.2 kBtu/ft²
- Interbay Building (Office & Warehouse)· 57,644 sq ft · EUI 50.2 kBtu/ft²
- Mixed Use Property buildings in Seattle· 157 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 Port Of Seattle- Terminal 30 (Campus)'s energy grade?
Port Of Seattle- Terminal 30 (Campus) did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 23.8 kBtu/ft².
How much energy does Port Of Seattle- Terminal 30 (Campus) use?
Its 2025 site energy-use intensity was 23.8 kBtu/ft² (65.3 kBtu/ft² source) across 68,640 sq ft, including 629,146 kWh of electricity and 14,645 therms of natural gas.
What are Port Of Seattle- Terminal 30 (Campus)'s carbon emissions?
Port Of Seattle- Terminal 30 (Campus) reported 89 tCO₂e of greenhouse-gas emissions (1.0 kgCO₂e/ft²) for 2025.
Where is Port Of Seattle- Terminal 30 (Campus)?
Port Of Seattle- Terminal 30 (Campus) is at 1901 EAST MARGINAL WAY S, in Seattle, Washington 98134. Its coordinates are 47.58405, -122.34223 (latitude, longitude), as published in the Building Energy Benchmarking file.
How big is Port Of Seattle- Terminal 30 (Campus) and when was it built?
Port Of Seattle- Terminal 30 (Campus) has 68,640 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 2003 as its year built. It is classed as mixed use property.
Is Port Of Seattle- Terminal 30 (Campus) 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, “Port Of Seattle- Terminal 30 (Campus), Seattle, Washington — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/seattle/port-of-seattle-terminal-30-campus-cc5c4def (data as of October 2, 2026).