Frye Apartments
Multifamily Housing in Seattle, WA · 223 YESLER WAY · 98104
At a glance
Frye Apartments is a 177,364-square-foot multifamily housing building at 223 YESLER WAY in Seattle, Washington, built in 1908. In its 2025 Seattle benchmarking disclosure it reported an ENERGY STAR score of 64 out of 100 (grade C), a site energy-use intensity of 51.1 kBtu/ft² and 155 tCO₂e of greenhouse-gas emissions. That score is higher than 14% of the 1,652 scored multifamily housing buildings in Seattle.
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 64 (band C) |
| Site EUI | 51.1 kBtu/ft² |
| Source EUI | 114.8 kBtu/ft² |
| GHG emissions | 155 tCO₂e |
| GHG intensity | 1.1 kgCO₂e/ft² |
| Electricity | 1,513,777 kWh |
| Natural gas | 23,777 therms |
| Gross floor area | 177,364 sq ft |
| Source record | seattle:26716:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 64 | +11 | 51.1 kBtu/ft² | 155 tCO₂e |
| 2024 | 53 | +2 | 54.5 kBtu/ft² | 164 tCO₂e |
| 2023 | 51 | -5 | 55.4 kBtu/ft² | 159 tCO₂e |
| 2022 | 56 | -25 | 52.8 kBtu/ft² | 136 tCO₂e |
| 2021 | 81 | -12 | 46.8 kBtu/ft² | 156 tCO₂e |
| 2020 | 93 | +34 | 37.6 kBtu/ft² | 142 tCO₂e |
| 2019 | 59 | +3 | 61.6 kBtu/ft² | 498 tCO₂e |
| 2018 | 56 | -4 | 62.0 kBtu/ft² | 493 tCO₂e |
| 2017 | 60 | 62.6 kBtu/ft² | 502 tCO₂e | |
| 2016 | — | 54.3 kBtu/ft² | 407 tCO₂e | |
| 2015 | — | 55.7 kBtu/ft² | 439 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
- 223 YESLER WAY
- City
- Seattle
- State
- Washington
- ZIP
- 98104
- Coordinates
- 47.60146, -122.33063
Within ~1 km
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See also: most efficient in Seattle · biggest emitters
How does Frye 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. Frye Apartments's ENERGY STAR score of 64 compares with an average of 83 across the 1,652 that report a score; it scores higher than 14% of them and lower than 86%. Its site EUI of 51.1 kBtu/ft² is about 46% above the average of 34.9 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 1.1 kgCO₂e/ft² is about 50% above the group average of 0.7 kgCO₂e/ft².
At 177,364 sq ft, it is about twice the average floor area of 86,468 sq ft for those buildings. It was built in 1908, 75 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 Frye Apartments's energy performance changed over time?
BuildingCensus holds 11 Seattle disclosures for Frye Apartments, covering report years 2015–2025. Its ENERGY STAR score went from 60 in 2017 to 64 in 2025 (+4 points); its best year on file was 2020, at 93. Site EUI moved from 55.7 kBtu/ft² (2015) to 51.1 kBtu/ft² (2025), a 8% decrease. Reported emissions went from 439 tCO₂e to 155 tCO₂e over the same span (down 65%).
What does an ENERGY STAR score of 64 mean?
ENERGY STAR scores run from 1 to 100 and are computed by the EPA's Portfolio Manager as a percentile against similar buildings nationwide, adjusted for climate, size and use: a score of 64 means the building performs better than about 64% of its national peers. BuildingCensus bands the score into report-card grades; 64 falls in band C — below median (55–69). It sits 11 points below 75, the threshold for ENERGY STAR certification. In Seattle, 69% of scored buildings are at 75 or above.
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. Frye Apartments's 51.1 kBtu/ft² across 177,364 sq ft works out to about 9.1 billion Btu (2,656 MWh-equivalent) in 2025. Its source EUI of 114.8 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,513,777 kWh of electricity and 23,777 therms of natural gas for the year.
Which law requires Frye Apartments to report its energy use?
Frye 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:26716:2025). 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
- Alto Apartments Llc - (2014)· 176,043 sq ft · score 82 (B)
- Yesler Terrace - Red Cedar· 175,415 sq ft · score 83 (B)
- Mosler Lofts· 175,353 sq ft · score 74 (B)
- Lawrence Lofts· 174,654 sq ft · score 97 (A)
- Alley 24 (North & South Tower)· 171,874 sq ft · score 92 (A)
- 5th And Madison-Residential Portion· 170,000 sq ft · score 59 (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 Frye Apartments's energy grade?
Frye Apartments scores 64 out of 100 on ENERGY STAR — band C, below median (55–69) — in its 2025 Seattle disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Frye Apartments use?
Its 2025 site energy-use intensity was 51.1 kBtu/ft² (114.8 kBtu/ft² source) across 177,364 sq ft, including 1,513,777 kWh of electricity and 23,777 therms of natural gas.
What are Frye Apartments's carbon emissions?
Frye Apartments reported 155 tCO₂e of greenhouse-gas emissions (1.1 kgCO₂e/ft²) for 2025.
Where is Frye Apartments?
Frye Apartments is at 223 YESLER WAY, in Seattle, Washington 98104. Its coordinates are 47.60146, -122.33063 (latitude, longitude), as published in the Building Energy Benchmarking file.
How big is Frye Apartments and when was it built?
Frye Apartments has 177,364 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 1908 as its year built. It is classed as multifamily housing.
Is Frye 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, “Frye Apartments, Seattle, Washington — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/seattle/frye-apartments-d1028c12 (data as of October 2, 2026).