Ruth Court Apartments
Multifamily Housing in Seattle, WA · 123 18TH AVE E · 98112
At a glance
Ruth Court Apartments is a 72,856-square-foot multifamily housing building at 123 18TH AVE E in Seattle, Washington, built in 2016.
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | — |
| Source EUI | — |
| GHG emissions | — |
| GHG intensity | — |
| Electricity | 296,913 kWh |
| Gross floor area | 72,856 sq ft |
| Source record | seattle:24751:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | — | — | |
| 2024 | 98 | ±0 | 23.7 kBtu/ft² | 32 tCO₂e |
| 2023 | 98 | ±0 | 23.9 kBtu/ft² | 31 tCO₂e |
| 2022 | 98 | -1 | 24.8 kBtu/ft² | 32 tCO₂e |
| 2021 | 99 | +3 | 24.0 kBtu/ft² | 34 tCO₂e |
| 2020 | 96 | -1 | 26.2 kBtu/ft² | 37 tCO₂e |
| 2019 | 97 | -1 | 24.6 kBtu/ft² | 35 tCO₂e |
| 2018 | 98 | 23.2 kBtu/ft² | 33 tCO₂e | |
| 2017 | — | 17.0 kBtu/ft² | 28 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
- 123 18TH AVE E
- City
- Seattle
- State
- Washington
- ZIP
- 98112
- Coordinates
- 47.61921, -122.30915
Within ~1 km
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See also: most efficient in Seattle · biggest emitters
How does Ruth Court 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.
At 72,856 sq ft, it is about 16% below the average floor area of 86,468 sq ft for those buildings. It was built in 2016, 33 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 Ruth Court Apartments's energy performance changed over time?
BuildingCensus holds 9 Seattle disclosures for Ruth Court Apartments, covering report years 2017–2025. Its ENERGY STAR score was 98 in both 2018 and 2024. Site EUI moved from 17.0 kBtu/ft² (2017) to 23.7 kBtu/ft² (2024), an 39% increase. Reported emissions went from 28 tCO₂e to 32 tCO₂e over the same span (up 15%).
Which law requires Ruth Court Apartments to report its energy use?
Ruth Court 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:24751:2025). 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
- University House· 72,831 sq ft · score 64 (C)
- Athena Condominium· 72,763 sq ft · score 99 (A)
- Olive Ridge· 72,716 sq ft · score 60 (C)
- 3030 Lake City (Building B, C, D, E)· 72,671 sq ft
- The Granada Apts· 72,576 sq ft · score 96 (A)
- Avana On The Lake· 72,566 sq ft · score 98 (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 Ruth Court Apartments's energy grade?
Ruth Court Apartments did not report an ENERGY STAR score in its 2025 disclosure.
How much energy does Ruth Court Apartments use?
No energy-use intensity was reported for 2025.
What are Ruth Court Apartments's carbon emissions?
No greenhouse-gas emissions figure was reported for 2025.
Where is Ruth Court Apartments?
Ruth Court Apartments is at 123 18TH AVE E, in Seattle, Washington 98112. Its coordinates are 47.61921, -122.30915 (latitude, longitude), as published in the Building Energy Benchmarking file.
How big is Ruth Court Apartments and when was it built?
Ruth Court Apartments has 72,856 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 2016 as its year built. It is classed as multifamily housing.
Is Ruth Court 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, “Ruth Court Apartments, Seattle, Washington — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/seattle/ruth-court-apartments-fc0de7dd (data as of October 2, 2026).