Holden Manor Condominium
Multifamily Housing in Seattle, WA · 3501 SW HOLDEN ST · 98126
At a glance
Holden Manor Condominium is a 26,970-square-foot multifamily housing building at 3501 SW HOLDEN ST in Seattle, Washington, built in 1980. In its 2025 Seattle benchmarking disclosure it reported a site energy-use intensity of 23.3 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 | 23.3 kBtu/ft² |
| Source EUI | 65.3 kBtu/ft² |
| GHG emissions | 4 tCO₂e |
| GHG intensity | 0.1 kgCO₂e/ft² |
| Electricity | 187,093 kWh |
| Gross floor area | 26,970 sq ft |
| Source record | seattle:24292:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 23.3 kBtu/ft² | 4 tCO₂e | |
| 2024 | — | 22.1 kBtu/ft² | 4 tCO₂e | |
| 2023 | — | 22.2 kBtu/ft² | 4 tCO₂e | |
| 2022 | — | 22.7 kBtu/ft² | 4 tCO₂e | |
| 2021 | — | 23.8 kBtu/ft² | 4 tCO₂e | |
| 2020 | — | 23.8 kBtu/ft² | 4 tCO₂e | |
| 2019 | — | 22.3 kBtu/ft² | 4 tCO₂e | |
| 2018 | — | 25.1 kBtu/ft² | 4 tCO₂e | |
| 2017 | — | 25.8 kBtu/ft² | 4 tCO₂e | |
| 2016 | — | 24.7 kBtu/ft² | 4 tCO₂e | |
| 2015 | — | 25.1 kBtu/ft² | 4 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
- 3501 SW HOLDEN ST
- City
- Seattle
- State
- Washington
- ZIP
- 98126
- Coordinates
- 47.53304, -122.37699
Within ~1 km
Nearby benchmarked buildings
- Hill Crest Apartmentsscore 96
Multifamily Housing · 84,415 sq ft
K-12 School · 44,324 sq ft
- Our Lady Of Guadalupe Schoolscore 93
K-12 School · 29,874 sq ft
- Olympic Manor Apts & Shopsscore —
Multifamily Housing · 28,683 sq ft
- Southwest Community Centerscore —
Other - Recreation · 27,227 sq ft
- Trinity West Seattlescore 32
Worship Facility · 23,562 sq ft
See also: most efficient in Seattle · biggest emitters
How does Holden Manor Condominium 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 23.3 kBtu/ft² is about 33% 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 81% below the group average of 0.7 kgCO₂e/ft².
At 26,970 sq ft, it is about 69% below the average floor area of 86,468 sq ft for those buildings. Its 1980 construction date is close to 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 Holden Manor Condominium's energy performance changed over time?
BuildingCensus holds 11 Seattle disclosures for Holden Manor Condominium, covering report years 2015–2025. Site EUI moved from 25.1 kBtu/ft² (2015) to 23.3 kBtu/ft² (2025), a 7% decrease. Reported emissions went from 4 tCO₂e to 4 tCO₂e over the same span (down 9%).
What does a site EUI of 23.3 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. Holden Manor Condominium's 23.3 kBtu/ft² across 26,970 sq ft works out to about 0.6 billion Btu (184 MWh-equivalent) in 2025. Its source EUI of 65.3 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 187,093 kWh of electricity for the year.
Which law requires Holden Manor Condominium to report its energy use?
Holden Manor Condominium 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:24292:2025). 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
- Signature Place Condominium· 26,964 sq ft · EUI 17.1 kBtu/ft²
- Marriam On Alki· 26,896 sq ft · score 82 (B)
- Alki Shores Condominium· 26,880 sq ft · score 38 (D)
- Elikai Apts· 26,873 sq ft · score 92 (A)
- Caritas Court Retail & Apts· 26,843 sq ft · score 99 (A)
- Harbor Crest Condominium· 26,827 sq ft · EUI 26.5 kBtu/ft²
- 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 Holden Manor Condominium's energy grade?
Holden Manor Condominium did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 23.3 kBtu/ft².
How much energy does Holden Manor Condominium use?
Its 2025 site energy-use intensity was 23.3 kBtu/ft² (65.3 kBtu/ft² source) across 26,970 sq ft, including 187,093 kWh of electricity.
What are Holden Manor Condominium's carbon emissions?
Holden Manor Condominium reported 4 tCO₂e of greenhouse-gas emissions (0.1 kgCO₂e/ft²) for 2025.
Where is Holden Manor Condominium?
Holden Manor Condominium is at 3501 SW HOLDEN ST, in Seattle, Washington 98126. Its coordinates are 47.53304, -122.37699 (latitude, longitude), as published in the Building Energy Benchmarking file.
How big is Holden Manor Condominium and when was it built?
Holden Manor Condominium has 26,970 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 1980 as its year built. It is classed as multifamily housing.
Is Holden Manor Condominium 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, “Holden Manor Condominium, Seattle, Washington — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/seattle/holden-manor-condominium-e0edb4c5 (data as of October 2, 2026).