Seattle -Prep Ignatius Hall And Parking Garage
Parking in Seattle, WA · 2400 11TH AVE E · 98102
At a glance
Seattle -Prep Ignatius Hall And Parking Garage is a 85,750-square-foot parking building at 2400 11TH AVE E in Seattle, Washington, built in 1999. In its 2025 Seattle benchmarking disclosure it reported a site energy-use intensity of 38.7 kBtu/ft² and 15 tCO₂e of greenhouse-gas emissions.
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 38.7 kBtu/ft² |
| Source EUI | 95.9 kBtu/ft² |
| GHG emissions | 15 tCO₂e |
| GHG intensity | 0.8 kgCO₂e/ft² |
| Electricity | 249,597 kWh |
| Natural gas | 1,946 therms |
| Gross floor area | 85,750 sq ft |
| Source record | seattle:21795:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 38.7 kBtu/ft² | 15 tCO₂e | |
| 2024 | — | 55.1 kBtu/ft² | 43 tCO₂e | |
| 2023 | — | 67.8 kBtu/ft² | 64 tCO₂e | |
| 2022 | — | 69.0 kBtu/ft² | 66 tCO₂e | |
| 2021 | — | 67.0 kBtu/ft² | 64 tCO₂e | |
| 2020 | — | 71.2 kBtu/ft² | 46 tCO₂e | |
| 2019 | — | 68.3 kBtu/ft² | 42 tCO₂e | |
| 2018 | — | 80.1 kBtu/ft² | 54 tCO₂e | |
| 2017 | — | 117.9 kBtu/ft² | 92 tCO₂e | |
| 2016 | — | 102.3 kBtu/ft² | 77 tCO₂e | |
| 2015 | — | 79.6 kBtu/ft² | 54 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
- 2400 11TH AVE E
- City
- Seattle
- State
- Washington
- ZIP
- 98102
- Coordinates
- 47.64133, -122.31679
Within ~1 km
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See also: most efficient in Seattle · biggest emitters
How does Seattle -Prep Ignatius Hall And Parking Garage compare with other parking buildings in Seattle?
The latest disclosures cover 21 parking buildings in Seattle, out of 3,871 buildings citywide. Its site EUI of 38.7 kBtu/ft² is about 61% below the average of 100.3 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 0.8 kgCO₂e/ft² is about 70% below the group average of 2.5 kgCO₂e/ft².
At 85,750 sq ft, it is about 77% below the average floor area of 368,027 sq ft for those buildings. Its 1999 construction date is close to the group's average year built (2000). Across all 24 jurisdictions BuildingCensus covers, the 1,071 parking buildings average an ENERGY STAR score of 67 and a site EUI of 40.3 kBtu/ft².
How has Seattle -Prep Ignatius Hall And Parking Garage's energy performance changed over time?
BuildingCensus holds 11 Seattle disclosures for Seattle -Prep Ignatius Hall And Parking Garage, covering report years 2015–2025. Site EUI moved from 79.6 kBtu/ft² (2015) to 38.7 kBtu/ft² (2025), a 51% decrease. Reported emissions went from 54 tCO₂e to 15 tCO₂e over the same span (down 72%).
What does a site EUI of 38.7 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 -Prep Ignatius Hall And Parking Garage's 38.7 kBtu/ft² across 85,750 sq ft works out to about 3.3 billion Btu (973 MWh-equivalent) in 2025. Its source EUI of 95.9 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 249,597 kWh of electricity and 1,946 therms of natural gas for the year.
Which law requires Seattle -Prep Ignatius Hall And Parking Garage to report its energy use?
Seattle -Prep Ignatius Hall And Parking Garage 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:21795:2025). 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 parking buildings in Seattle
Frequently asked questions
What is Seattle -Prep Ignatius Hall And Parking Garage's energy grade?
Seattle -Prep Ignatius Hall And Parking Garage did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 38.7 kBtu/ft².
How much energy does Seattle -Prep Ignatius Hall And Parking Garage use?
Its 2025 site energy-use intensity was 38.7 kBtu/ft² (95.9 kBtu/ft² source) across 85,750 sq ft, including 249,597 kWh of electricity and 1,946 therms of natural gas.
What are Seattle -Prep Ignatius Hall And Parking Garage's carbon emissions?
Seattle -Prep Ignatius Hall And Parking Garage reported 15 tCO₂e of greenhouse-gas emissions (0.8 kgCO₂e/ft²) for 2025.
Where is Seattle -Prep Ignatius Hall And Parking Garage?
Seattle -Prep Ignatius Hall And Parking Garage is at 2400 11TH AVE E, in Seattle, Washington 98102. Its coordinates are 47.64133, -122.31679 (latitude, longitude), as published in the Building Energy Benchmarking file.
How big is Seattle -Prep Ignatius Hall And Parking Garage and when was it built?
Seattle -Prep Ignatius Hall And Parking Garage has 85,750 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 1999 as its year built. It is classed as parking.
Is Seattle -Prep Ignatius Hall And Parking Garage 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 -Prep Ignatius Hall And Parking Garage, Seattle, Washington — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/seattle/seattle-prep-ignatius-hall-and-parking-garage-07eb94d4 (data as of October 2, 2026).