Vivian Mclean Place - Affordable Housing
Multifamily Housing in Seattle, WA · 5423 DELRIDGE WAY SW · 98106
At a glance
Vivian Mclean Place - Affordable Housing is a 27,752-square-foot multifamily housing building at 5423 DELRIDGE WAY SW in Seattle, Washington, built in 2002. In its 2025 Seattle benchmarking disclosure it reported a site energy-use intensity of 35.4 kBtu/ft² and 4 tCO₂e of greenhouse-gas emissions.
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 35.4 kBtu/ft² |
| Source EUI | 99.0 kBtu/ft² |
| GHG emissions | 4 tCO₂e |
| GHG intensity | 0.2 kgCO₂e/ft² |
| Electricity | 185,306 kWh |
| Natural gas | 21 therms |
| Gross floor area | 27,752 sq ft |
| Source record | seattle:39673:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 35.4 kBtu/ft² | 4 tCO₂e | |
| 2024 | — | 36.5 kBtu/ft² | 4 tCO₂e | |
| 2023 | — | 32.8 kBtu/ft² | 3 tCO₂e | |
| 2022 | — | 32.7 kBtu/ft² | 4 tCO₂e | |
| 2021 | — | 35.7 kBtu/ft² | 4 tCO₂e | |
| 2020 | — | 28.1 kBtu/ft² | 4 tCO₂e | |
| 2019 | — | 23.8 kBtu/ft² | 3 tCO₂e | |
| 2018 | — | 23.3 kBtu/ft² | 3 tCO₂e | |
| 2017 | — | 23.3 kBtu/ft² | 3 tCO₂e | |
| 2016 | 89 | +4 | 21.9 kBtu/ft² | 3 tCO₂e |
| 2015 | 85 | 23.4 kBtu/ft² | 3 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
- 5423 DELRIDGE WAY SW
- City
- Seattle
- State
- Washington
- ZIP
- 98106
- Coordinates
- 47.55304, -122.36330
Within ~1 km
Nearby benchmarked buildings
- Boren Stem K-8 (Sps-District)score 76
K-12 School · 145,341 sq ft
- Longfellow Creekscore 42
Multifamily Housing · 67,313 sq ft
- Cottage Grove Commonsscore 20
Multifamily Housing · 27,950 sq ft
- Brandon Court Condominiumscore —
Multifamily Housing · 27,119 sq ft
See also: most efficient in Seattle · biggest emitters
How does Vivian Mclean Place - Affordable Housing 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 35.4 kBtu/ft² is roughly in line with the average of 34.9 kBtu/ft². Its emissions intensity of 0.2 kgCO₂e/ft² is about 70% below the group average of 0.7 kgCO₂e/ft².
At 27,752 sq ft, it is about 68% below the average floor area of 86,468 sq ft for those buildings. It was built in 2002, 19 years later 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 Vivian Mclean Place - Affordable Housing's energy performance changed over time?
BuildingCensus holds 11 Seattle disclosures for Vivian Mclean Place - Affordable Housing, covering report years 2015–2025. Its ENERGY STAR score went from 85 in 2015 to 89 in 2016 (+4 points). Site EUI moved from 23.4 kBtu/ft² (2015) to 35.4 kBtu/ft² (2025), an 51% increase. Reported emissions went from 3 tCO₂e to 4 tCO₂e over the same span (up 17%).
What does a site EUI of 35.4 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. Vivian Mclean Place - Affordable Housing's 35.4 kBtu/ft² across 27,752 sq ft works out to about 1 billion Btu (288 MWh-equivalent) in 2025. Its source EUI of 99.0 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 185,306 kWh of electricity and 21 therms of natural gas for the year.
Which law requires Vivian Mclean Place - Affordable Housing to report its energy use?
Vivian Mclean Place - Affordable Housing 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:39673:2025). 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
- 3030 Lake City (Building A)· 27,639 sq ft · score 67 (C)
- Nine Cherry Square· 27,627 sq ft · score 54 (D)
- 100 On 6th· 27,600 sq ft · score 84 (B)
- Cirque Apts· 27,580 sq ft · score 84 (B)
- Nelson Manor-Low Income Senior· 27,553 sq ft · score 66 (C)
- Fremont Vista Condominium· 27,533 sq ft · score 67 (C)
- 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 Vivian Mclean Place - Affordable Housing's energy grade?
Vivian Mclean Place - Affordable Housing did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 35.4 kBtu/ft².
How much energy does Vivian Mclean Place - Affordable Housing use?
Its 2025 site energy-use intensity was 35.4 kBtu/ft² (99.0 kBtu/ft² source) across 27,752 sq ft, including 185,306 kWh of electricity and 21 therms of natural gas.
What are Vivian Mclean Place - Affordable Housing's carbon emissions?
Vivian Mclean Place - Affordable Housing reported 4 tCO₂e of greenhouse-gas emissions (0.2 kgCO₂e/ft²) for 2025.
Where is Vivian Mclean Place - Affordable Housing?
Vivian Mclean Place - Affordable Housing is at 5423 DELRIDGE WAY SW, in Seattle, Washington 98106. Its coordinates are 47.55304, -122.36330 (latitude, longitude), as published in the Building Energy Benchmarking file.
How big is Vivian Mclean Place - Affordable Housing and when was it built?
Vivian Mclean Place - Affordable Housing has 27,752 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 2002 as its year built. It is classed as multifamily housing.
Is Vivian Mclean Place - Affordable Housing 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, “Vivian Mclean Place - Affordable Housing, Seattle, Washington — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/seattle/vivian-mclean-place-affordable-housing-4eee056d (data as of October 2, 2026).