Youngstown Cultural Arts Center/Cooper School Artist Lofts
Multifamily Housing in Seattle, WA · 4408 DELRIDGE WAY SW · 98106
At a glance
Youngstown Cultural Arts Center/Cooper School Artist Lofts is a 56,617-square-foot multifamily housing building at 4408 DELRIDGE WAY SW in Seattle, Washington, built in 1917. In its 2025 Seattle benchmarking disclosure it reported a site energy-use intensity of 32.9 kBtu/ft² and 30 tCO₂e of greenhouse-gas emissions.
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 32.9 kBtu/ft² |
| Source EUI | 79.2 kBtu/ft² |
| GHG emissions | 30 tCO₂e |
| GHG intensity | 0.5 kgCO₂e/ft² |
| Electricity | 423,706 kWh |
| Natural gas | 4,151 therms |
| Gross floor area | 56,617 sq ft |
| Source record | seattle:296:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 32.9 kBtu/ft² | 30 tCO₂e | |
| 2024 | — | 34.6 kBtu/ft² | 40 tCO₂e | |
| 2023 | — | 34.8 kBtu/ft² | 42 tCO₂e | |
| 2022 | — | 32.2 kBtu/ft² | 36 tCO₂e | |
| 2021 | 44 | +12 | 31.7 kBtu/ft² | 42 tCO₂e |
| 2020 | 32 | +6 | 33.4 kBtu/ft² | 48 tCO₂e |
| 2019 | 26 | -2 | 34.3 kBtu/ft² | 45 tCO₂e |
| 2018 | 28 | +5 | 33.7 kBtu/ft² | 45 tCO₂e |
| 2017 | 23 | +8 | 37.8 kBtu/ft² | 52 tCO₂e |
| 2016 | 15 | -3 | 35.1 kBtu/ft² | 49 tCO₂e |
| 2015 | 18 | 33.8 kBtu/ft² | 47 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
- 4408 DELRIDGE WAY SW
- City
- Seattle
- State
- Washington
- ZIP
- 98106
- Coordinates
- 47.56379, -122.36301
Within ~1 km
Nearby benchmarked buildings
- Youngstown Flats Aptsscore 100
Multifamily Housing · 227,672 sq ft
- West Seattle Corporate Centerscore 89
Office · 138,106 sq ft
K-12 School · 75,364 sq ft
- West Seattle Health Clubscore —
Fitness Center/Health Club/Gym · 68,763 sq ft
- Stor-More - Campusscore —
Self-Storage Facility · 66,610 sq ft
- Delridge Buildingscore 60
Office · 55,593 sq ft
See also: most efficient in Seattle · biggest emitters
How does Youngstown Cultural Arts Center/Cooper School Artist Lofts compare with other multifamily housing buildings in Seattle?
The latest disclosures cover 1,971 multifamily housing buildings in Seattle, out of 3,871 buildings citywide. Its site EUI of 32.9 kBtu/ft² is roughly in line with the average of 34.9 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 0.5 kgCO₂e/ft² is about 24% below the group average of 0.7 kgCO₂e/ft².
At 56,617 sq ft, it is about 35% below the average floor area of 86,468 sq ft for those buildings. It was built in 1917, 66 years earlier than the group's average year built (1983). Across all 24 jurisdictions BuildingCensus covers, the 59,945 multifamily housing buildings average an ENERGY STAR score of 70 and a site EUI of 59.0 kBtu/ft².
How has Youngstown Cultural Arts Center/Cooper School Artist Lofts's energy performance changed over time?
BuildingCensus holds 11 Seattle disclosures for Youngstown Cultural Arts Center/Cooper School Artist Lofts, covering report years 2015–2025. Its ENERGY STAR score went from 18 in 2015 to 44 in 2021 (+26 points). Site EUI moved from 33.8 kBtu/ft² (2015) to 32.9 kBtu/ft² (2025), a 3% decrease. Reported emissions went from 47 tCO₂e to 30 tCO₂e over the same span (down 35%).
What does a site EUI of 32.9 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. Youngstown Cultural Arts Center/Cooper School Artist Lofts's 32.9 kBtu/ft² across 56,617 sq ft works out to about 1.9 billion Btu (546 MWh-equivalent) in 2025. Its source EUI of 79.2 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 423,706 kWh of electricity and 4,151 therms of natural gas for the year.
Which law requires Youngstown Cultural Arts Center/Cooper School Artist Lofts to report its energy use?
Youngstown Cultural Arts Center/Cooper School Artist Lofts 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:296:2025). 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 multifamily housing buildings in Seattle
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- Brookdale Queen Anne Ii· 56,380 sq ft · score 96 (A)
- East Madison Condos· 56,340 sq ft · score 95 (A)
- Providence Elizabeth House· 56,334 sq ft · score 83 (B)
- Lictonwood Apt Seattle Housing· 56,319 sq ft · score 55 (C)
- Rev Fremont· 56,184 sq ft · score 94 (A)
- Multifamily Housing buildings in Seattle· 1,971 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 Youngstown Cultural Arts Center/Cooper School Artist Lofts's energy grade?
Youngstown Cultural Arts Center/Cooper School Artist Lofts did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 32.9 kBtu/ft².
How much energy does Youngstown Cultural Arts Center/Cooper School Artist Lofts use?
Its 2025 site energy-use intensity was 32.9 kBtu/ft² (79.2 kBtu/ft² source) across 56,617 sq ft, including 423,706 kWh of electricity and 4,151 therms of natural gas.
What are Youngstown Cultural Arts Center/Cooper School Artist Lofts's carbon emissions?
Youngstown Cultural Arts Center/Cooper School Artist Lofts reported 30 tCO₂e of greenhouse-gas emissions (0.5 kgCO₂e/ft²) for 2025.
Where is Youngstown Cultural Arts Center/Cooper School Artist Lofts?
Youngstown Cultural Arts Center/Cooper School Artist Lofts is at 4408 DELRIDGE WAY SW, in Seattle, Washington 98106. Its coordinates are 47.56379, -122.36301 (latitude, longitude), as published in the Building Energy Benchmarking file.
How big is Youngstown Cultural Arts Center/Cooper School Artist Lofts and when was it built?
Youngstown Cultural Arts Center/Cooper School Artist Lofts has 56,617 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 1917 as its year built. It is classed as multifamily housing.
Is Youngstown Cultural Arts Center/Cooper School Artist Lofts 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, “Youngstown Cultural Arts Center/Cooper School Artist Lofts, Seattle, Washington — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/seattle/youngstown-cultural-arts-center-cooper-school-artist-lofts-9179fcce (data as of October 2, 2026).