Seattle Community College Maritime Academy (Stand Alone Bldg)
Adult Education in Seattle, WA · 4455 SHILSHOLE AVE NW · 98107
At a glance
Seattle Community College Maritime Academy (Stand Alone Bldg) is a 23,342-square-foot adult education building at 4455 SHILSHOLE AVE NW in Seattle, Washington, built in 2016. In its 2025 Seattle benchmarking disclosure it reported a site energy-use intensity of 58.6 kBtu/ft² and 44 tCO₂e of greenhouse-gas emissions.
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 58.6 kBtu/ft² |
| Source EUI | 126.8 kBtu/ft² |
| GHG emissions | 44 tCO₂e |
| GHG intensity | 1.3 kgCO₂e/ft² |
| Electricity | 372,762 kWh |
| Natural gas | 7,263 therms |
| Gross floor area | 23,342 sq ft |
| Source record | seattle:33747:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 58.6 kBtu/ft² | 44 tCO₂e | |
| 2024 | — | 53.0 kBtu/ft² | 40 tCO₂e | |
| 2023 | — | 64.9 kBtu/ft² | 46 tCO₂e | |
| 2022 | — | 65.8 kBtu/ft² | 48 tCO₂e | |
| 2021 | — | 70.6 kBtu/ft² | 52 tCO₂e | |
| 2020 | — | 94.3 kBtu/ft² | 63 tCO₂e | |
| 2019 | — | 87.5 kBtu/ft² | 53 tCO₂e | |
| 2018 | — | 85.3 kBtu/ft² | 42 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
- 4455 SHILSHOLE AVE NW
- City
- Seattle
- State
- Washington
- ZIP
- 98107
- Coordinates
- 47.66084, -122.37490
Within ~1 km
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See also: most efficient in Seattle · biggest emitters
How does Seattle Community College Maritime Academy (Stand Alone Bldg) compare with other buildings in Seattle?
The latest disclosures cover 3,871 benchmarked buildings in Seattle. Its site EUI of 58.6 kBtu/ft² is about 23% above the average of 47.6 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 1.3 kgCO₂e/ft² is about 28% above the group average of 1.0 kgCO₂e/ft².
At 23,342 sq ft, it is about 79% below the average floor area of 112,467 sq ft for those buildings. It was built in 2016, 41 years later than the group's average year built (1975).
How has Seattle Community College Maritime Academy (Stand Alone Bldg)'s energy performance changed over time?
BuildingCensus holds 8 Seattle disclosures for Seattle Community College Maritime Academy (Stand Alone Bldg), covering report years 2018–2025. Site EUI moved from 85.3 kBtu/ft² (2018) to 58.6 kBtu/ft² (2025), a 31% decrease. Reported emissions went from 42 tCO₂e to 44 tCO₂e over the same span (up 3%).
What does a site EUI of 58.6 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. Seattle Community College Maritime Academy (Stand Alone Bldg)'s 58.6 kBtu/ft² across 23,342 sq ft works out to about 1.4 billion Btu (401 MWh-equivalent) in 2025. Its source EUI of 126.8 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 372,762 kWh of electricity and 7,263 therms of natural gas for the year.
Which law requires Seattle Community College Maritime Academy (Stand Alone Bldg) to report its energy use?
Seattle Community College Maritime Academy (Stand Alone 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:33747:2025). 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 adult education buildings in Seattle
Frequently asked questions
What is Seattle Community College Maritime Academy (Stand Alone Bldg)'s energy grade?
Seattle Community College Maritime Academy (Stand Alone Bldg) did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 58.6 kBtu/ft².
How much energy does Seattle Community College Maritime Academy (Stand Alone Bldg) use?
Its 2025 site energy-use intensity was 58.6 kBtu/ft² (126.8 kBtu/ft² source) across 23,342 sq ft, including 372,762 kWh of electricity and 7,263 therms of natural gas.
What are Seattle Community College Maritime Academy (Stand Alone Bldg)'s carbon emissions?
Seattle Community College Maritime Academy (Stand Alone Bldg) reported 44 tCO₂e of greenhouse-gas emissions (1.3 kgCO₂e/ft²) for 2025.
Where is Seattle Community College Maritime Academy (Stand Alone Bldg)?
Seattle Community College Maritime Academy (Stand Alone Bldg) is at 4455 SHILSHOLE AVE NW, in Seattle, Washington 98107. Its coordinates are 47.66084, -122.37490 (latitude, longitude), as published in the Building Energy Benchmarking file.
How big is Seattle Community College Maritime Academy (Stand Alone Bldg) and when was it built?
Seattle Community College Maritime Academy (Stand Alone Bldg) has 23,342 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 2016 as its year built. It is classed as adult education.
Is Seattle Community College Maritime Academy (Stand Alone 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, “Seattle Community College Maritime Academy (Stand Alone Bldg), Seattle, Washington — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/seattle/seattle-community-college-maritime-academy-stand-alone-bldg-b9f77ae1 (data as of October 2, 2026).