The Deering Apartments
Multifamily Housing in Seattle, WA · 4321 SW GENESEE ST · 98116
At a glance
The Deering Apartments is a 23,596-square-foot multifamily housing building at 4321 SW GENESEE ST in Seattle, Washington, built in 1969. In its 2025 Seattle benchmarking disclosure it reported a site energy-use intensity of 19.3 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 | 19.3 kBtu/ft² |
| Source EUI | 54.0 kBtu/ft² |
| GHG emissions | 3 tCO₂e |
| GHG intensity | 0.1 kgCO₂e/ft² |
| Electricity | 133,344 kWh |
| Gross floor area | 23,596 sq ft |
| Source record | seattle:24243:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 19.3 kBtu/ft² | 3 tCO₂e | |
| 2024 | — | 21.5 kBtu/ft² | 3 tCO₂e | |
| 2023 | — | 22.2 kBtu/ft² | 3 tCO₂e | |
| 2022 | — | 22.9 kBtu/ft² | 3 tCO₂e | |
| 2021 | — | 22.6 kBtu/ft² | 3 tCO₂e | |
| 2020 | — | 21.3 kBtu/ft² | 3 tCO₂e | |
| 2019 | — | 18.6 kBtu/ft² | 3 tCO₂e | |
| 2018 | — | 22.7 kBtu/ft² | 3 tCO₂e | |
| 2017 | — | 25.9 kBtu/ft² | 3 tCO₂e | |
| 2016 | 91 | +1 | 25.2 kBtu/ft² | 3 tCO₂e |
| 2015 | 90 | 21.7 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
- 4321 SW GENESEE ST
- City
- Seattle
- State
- Washington
- ZIP
- 98116
- Coordinates
- 47.56451, -122.38773
Within ~1 km
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See also: most efficient in Seattle · biggest emitters
How does The Deering Apartments 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 19.3 kBtu/ft² is about 45% below 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 0.1 kgCO₂e/ft² is about 84% below the group average of 0.7 kgCO₂e/ft².
At 23,596 sq ft, it is about 73% below the average floor area of 86,468 sq ft for those buildings. It was built in 1969, 14 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 The Deering Apartments's energy performance changed over time?
BuildingCensus holds 11 Seattle disclosures for The Deering Apartments, covering report years 2015–2025. Its ENERGY STAR score went from 90 in 2015 to 91 in 2016 (+1 points). Site EUI moved from 21.7 kBtu/ft² (2015) to 19.3 kBtu/ft² (2025), a 11% decrease. Reported emissions went from 3 tCO₂e to 3 tCO₂e over the same span (down 13%).
What does a site EUI of 19.3 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. The Deering Apartments's 19.3 kBtu/ft² across 23,596 sq ft works out to about 0.5 billion Btu (133 MWh-equivalent) in 2025. Its source EUI of 54.0 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 133,344 kWh of electricity for the year.
Which law requires The Deering Apartments to report its energy use?
The Deering Apartments 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:24243:2025). 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
- Larned Apts· 23,568 sq ft · score 94 (A)
- Westwood Park Villa Building 2· 23,533 sq ft
- Aloha Inn Transitional Housing· 23,513 sq ft · score 52 (D)
- 9800 Roosevelt Condominium· 23,512 sq ft · score 92 (A)
- Halmar Apts· 23,490 sq ft · score 79 (B)
- Winston Apartments (Apts&Sundance Tavern)· 23,469 sq ft · score 13 (D)
- 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 The Deering Apartments's energy grade?
The Deering Apartments did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 19.3 kBtu/ft².
How much energy does The Deering Apartments use?
Its 2025 site energy-use intensity was 19.3 kBtu/ft² (54.0 kBtu/ft² source) across 23,596 sq ft, including 133,344 kWh of electricity.
What are The Deering Apartments's carbon emissions?
The Deering Apartments reported 3 tCO₂e of greenhouse-gas emissions (0.1 kgCO₂e/ft²) for 2025.
Where is The Deering Apartments?
The Deering Apartments is at 4321 SW GENESEE ST, in Seattle, Washington 98116. Its coordinates are 47.56451, -122.38773 (latitude, longitude), as published in the Building Energy Benchmarking file.
How big is The Deering Apartments and when was it built?
The Deering Apartments has 23,596 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 1969 as its year built. It is classed as multifamily housing.
Is The Deering Apartments 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, “The Deering Apartments, Seattle, Washington — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/seattle/the-deering-apartments-b7850a11 (data as of October 2, 2026).