Morningside Apts & Retail
Multifamily Housing in Seattle, WA · 9425 35TH AVE NE · 98115
At a glance
Morningside Apts & Retail is a 50,095-square-foot multifamily housing building at 9425 35TH AVE NE in Seattle, Washington, built in 1994. In its 2025 Seattle benchmarking disclosure it reported a site energy-use intensity of 25.2 kBtu/ft² and 5 tCO₂e of greenhouse-gas emissions.
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 25.2 kBtu/ft² |
| Source EUI | 70.6 kBtu/ft² |
| GHG emissions | 5 tCO₂e |
| GHG intensity | 0.1 kgCO₂e/ft² |
| Electricity | 258,000 kWh |
| Gross floor area | 50,095 sq ft |
| Source record | seattle:27258:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 25.2 kBtu/ft² | 5 tCO₂e | |
| 2024 | — | 27.4 kBtu/ft² | 6 tCO₂e | |
| 2023 | — | 25.8 kBtu/ft² | 5 tCO₂e | |
| 2022 | — | 26.0 kBtu/ft² | 5 tCO₂e | |
| 2021 | — | 25.5 kBtu/ft² | 5 tCO₂e | |
| 2020 | — | 25.0 kBtu/ft² | 5 tCO₂e | |
| 2019 | — | 28.2 kBtu/ft² | 5 tCO₂e | |
| 2018 | — | 27.0 kBtu/ft² | 5 tCO₂e | |
| 2017 | — | 27.9 kBtu/ft² | 5 tCO₂e | |
| 2016 | 83 | -1 | 28.1 kBtu/ft² | 6 tCO₂e |
| 2015 | 84 | 27.6 kBtu/ft² | 6 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
- 9425 35TH AVE NE
- City
- Seattle
- State
- Washington
- ZIP
- 98115
- Coordinates
- 47.69711, -122.29098
Within ~1 km
Nearby benchmarked buildings
- Jasper Apartmentsscore 99
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- Cascade View Apartmentsscore 81
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See also: most efficient in Seattle · biggest emitters
How does Morningside Apts & Retail 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 25.2 kBtu/ft² is about 28% 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 80% below the group average of 0.7 kgCO₂e/ft².
At 50,095 sq ft, it is about 42% below the average floor area of 86,468 sq ft for those buildings. It was built in 1994, 11 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 Morningside Apts & Retail's energy performance changed over time?
BuildingCensus holds 11 Seattle disclosures for Morningside Apts & Retail, covering report years 2015–2025. Its ENERGY STAR score went from 84 in 2015 to 83 in 2016 (-1 points); its best year on file was 2015, at 84. Site EUI moved from 27.6 kBtu/ft² (2015) to 25.2 kBtu/ft² (2025), a 9% decrease. Reported emissions went from 6 tCO₂e to 5 tCO₂e over the same span (down 10%).
What does a site EUI of 25.2 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. Morningside Apts & Retail's 25.2 kBtu/ft² across 50,095 sq ft works out to about 1.3 billion Btu (370 MWh-equivalent) in 2025. Its source EUI of 70.6 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 258,000 kWh of electricity for the year.
Which law requires Morningside Apts & Retail to report its energy use?
Morningside Apts & Retail 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:27258:2025). 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
- Cooper Square Condominium· 50,028 sq ft · score 93 (A)
- 107 On Greenwood Apts· 49,970 sq ft · score 99 (A)
- Greenwood Place· 49,774 sq ft · EUI 40.0 kBtu/ft²
- Robins Nest· 49,761 sq ft · score 57 (C)
- Belmont Court Apartments· 49,649 sq ft · score 100 (A)
- Canaday House· 49,559 sq ft · score 27 (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 Morningside Apts & Retail's energy grade?
Morningside Apts & Retail did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 25.2 kBtu/ft².
How much energy does Morningside Apts & Retail use?
Its 2025 site energy-use intensity was 25.2 kBtu/ft² (70.6 kBtu/ft² source) across 50,095 sq ft, including 258,000 kWh of electricity.
What are Morningside Apts & Retail's carbon emissions?
Morningside Apts & Retail reported 5 tCO₂e of greenhouse-gas emissions (0.1 kgCO₂e/ft²) for 2025.
Where is Morningside Apts & Retail?
Morningside Apts & Retail is at 9425 35TH AVE NE, in Seattle, Washington 98115. Its coordinates are 47.69711, -122.29098 (latitude, longitude), as published in the Building Energy Benchmarking file.
How big is Morningside Apts & Retail and when was it built?
Morningside Apts & Retail has 50,095 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 1994 as its year built. It is classed as multifamily housing.
Is Morningside Apts & Retail 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, “Morningside Apts & Retail, Seattle, Washington — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/seattle/morningside-apts-retail-1c2582cb (data as of October 2, 2026).