Port Of Seattle- T-104 W-3 Container Freight Station
Transportation Terminal/Station in Seattle, WA · 3627 DUWAMISH AVE S · 98134
At a glance
Port Of Seattle- T-104 W-3 Container Freight Station is a 41,280-square-foot transportation terminal/station at 3627 DUWAMISH AVE S in Seattle, Washington, built in 1930. In its 2025 Seattle benchmarking disclosure it reported a site energy-use intensity of 12.4 kBtu/ft² and 3 tCO₂e of greenhouse-gas emissions.
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 12.4 kBtu/ft² |
| Source EUI | 34.6 kBtu/ft² |
| GHG emissions | 3 tCO₂e |
| GHG intensity | 0.1 kgCO₂e/ft² |
| Electricity | 149,576 kWh |
| Gross floor area | 41,280 sq ft |
| Source record | seattle:24965:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 12.4 kBtu/ft² | 3 tCO₂e | |
| 2024 | — | 14.0 kBtu/ft² | 5 tCO₂e | |
| 2023 | — | 21.7 kBtu/ft² | 8 tCO₂e | |
| 2022 | — | 38.4 kBtu/ft² | 13 tCO₂e | |
| 2021 | — | 39.2 kBtu/ft² | 13 tCO₂e | |
| 2020 | — | 40.6 kBtu/ft² | 16 tCO₂e | |
| 2019 | — | 29.2 kBtu/ft² | 7 tCO₂e | |
| 2018 | — | 39.7 kBtu/ft² | 10 tCO₂e | |
| 2017 | — | — | — | |
| 2016 | — | — | — | |
| 2015 | — | — | — |
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
- 3627 DUWAMISH AVE S
- City
- Seattle
- State
- Washington
- ZIP
- 98134
- Coordinates
- 47.57037, -122.34405
Within ~1 km
Nearby benchmarked buildings
Non-Refrigerated Warehouse · 576,750 sq ft
- Portside Distribution Centerscore 96
Distribution Center · 411,584 sq ft
Manufacturing/Industrial Plant · 326,751 sq ft
Office · 139,557 sq ft
Non-Refrigerated Warehouse · 115,668 sq ft
- Seattle Potteryscore 41
Non-Refrigerated Warehouse · 65,288 sq ft
See also: most efficient in Seattle · biggest emitters
How does Port Of Seattle- T-104 W-3 Container Freight Station compare with other transportation terminal/station buildings in Seattle?
The latest disclosures cover 7 transportation terminal/station buildings in Seattle, out of 3,871 buildings citywide. Its site EUI of 12.4 kBtu/ft² is about 90% below the average of 129.3 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 0.1 kgCO₂e/ft² is about 91% below the group average of 0.8 kgCO₂e/ft².
At 41,280 sq ft, it is about half of the average floor area of 83,053 sq ft for those buildings. It was built in 1930, 50 years earlier than the group's average year built (1980). Across all 24 jurisdictions BuildingCensus covers, the 103 transportation terminal/station buildings average an ENERGY STAR score of 4 and a site EUI of 105.1 kBtu/ft².
How has Port Of Seattle- T-104 W-3 Container Freight Station's energy performance changed over time?
BuildingCensus holds 11 Seattle disclosures for Port Of Seattle- T-104 W-3 Container Freight Station, covering report years 2015–2025. Site EUI moved from 39.7 kBtu/ft² (2018) to 12.4 kBtu/ft² (2025), a 69% decrease. Reported emissions went from 10 tCO₂e to 3 tCO₂e over the same span (down 69%).
What does a site EUI of 12.4 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- T-104 W-3 Container Freight Station's 12.4 kBtu/ft² across 41,280 sq ft works out to about 0.5 billion Btu (150 MWh-equivalent) in 2025. Its source EUI of 34.6 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 149,576 kWh of electricity for the year.
Which law requires Port Of Seattle- T-104 W-3 Container Freight Station to report its energy use?
Port Of Seattle- T-104 W-3 Container Freight Station 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:24965:2025). 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 transportation terminal/station buildings in Seattle
- Northgate Transit Station· 28,869 sq ft · EUI 10.7 kBtu/ft²
- South Light Rail Station - Primary· 28,264 sq ft · EUI 46.2 kBtu/ft²
- 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- T-104 W-3 Container Freight Station's energy grade?
Port Of Seattle- T-104 W-3 Container Freight Station did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 12.4 kBtu/ft².
How much energy does Port Of Seattle- T-104 W-3 Container Freight Station use?
Its 2025 site energy-use intensity was 12.4 kBtu/ft² (34.6 kBtu/ft² source) across 41,280 sq ft, including 149,576 kWh of electricity.
What are Port Of Seattle- T-104 W-3 Container Freight Station's carbon emissions?
Port Of Seattle- T-104 W-3 Container Freight Station reported 3 tCO₂e of greenhouse-gas emissions (0.1 kgCO₂e/ft²) for 2025.
Where is Port Of Seattle- T-104 W-3 Container Freight Station?
Port Of Seattle- T-104 W-3 Container Freight Station is at 3627 DUWAMISH AVE S, in Seattle, Washington 98134. Its coordinates are 47.57037, -122.34405 (latitude, longitude), as published in the Building Energy Benchmarking file.
How big is Port Of Seattle- T-104 W-3 Container Freight Station and when was it built?
Port Of Seattle- T-104 W-3 Container Freight Station has 41,280 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 1930 as its year built. It is classed as transportation terminal/station.
Is Port Of Seattle- T-104 W-3 Container Freight Station 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- T-104 W-3 Container Freight Station, Seattle, Washington — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/seattle/port-of-seattle-t-104-w-3-container-freight-station-58982c58 (data as of October 2, 2026).