2024 Third Ave/Ywca
Multifamily Housing in Seattle, WA · 2024 3RD AVE · 98121
At a glance
2024 Third Ave/Ywca is a 116,947-square-foot multifamily housing building at 2024 3RD AVE in Seattle, Washington, built in 2003. In its 2025 Seattle benchmarking disclosure it reported a site energy-use intensity of 60.6 kBtu/ft² and 214 tCO₂e of greenhouse-gas emissions.
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 60.6 kBtu/ft² |
| Source EUI | 119.4 kBtu/ft² |
| GHG emissions | 214 tCO₂e |
| GHG intensity | 1.7 kgCO₂e/ft² |
| Electricity | 1,173,024 kWh |
| Natural gas | 36,144 therms |
| Gross floor area | 116,947 sq ft |
| Source record | seattle:265:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 60.6 kBtu/ft² | 214 tCO₂e | |
| 2024 | — | 70.7 kBtu/ft² | 287 tCO₂e | |
| 2023 | — | 71.9 kBtu/ft² | 294 tCO₂e | |
| 2022 | — | 74.4 kBtu/ft² | 299 tCO₂e | |
| 2021 | — | 63.3 kBtu/ft² | 239 tCO₂e | |
| 2020 | — | 70.8 kBtu/ft² | 245 tCO₂e | |
| 2019 | — | 83.1 kBtu/ft² | 305 tCO₂e | |
| 2018 | — | 77.6 kBtu/ft² | 270 tCO₂e | |
| 2017 | — | 86.2 kBtu/ft² | 298 tCO₂e | |
| 2016 | — | 79.9 kBtu/ft² | 272 tCO₂e | |
| 2015 | — | 77.1 kBtu/ft² | 257 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
- 2024 3RD AVE
- City
- Seattle
- State
- Washington
- ZIP
- 98121
- Coordinates
- 47.61316, -122.34153
Within ~1 km
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See also: most efficient in Seattle · biggest emitters
How does 2024 Third Ave/Ywca 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 60.6 kBtu/ft² is about 74% 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 1.7 kgCO₂e/ft² is about 144% above the group average of 0.7 kgCO₂e/ft².
At 116,947 sq ft, it is about 35% above the average floor area of 86,468 sq ft for those buildings. It was built in 2003, 20 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 2024 Third Ave/Ywca's energy performance changed over time?
BuildingCensus holds 11 Seattle disclosures for 2024 Third Ave/Ywca, covering report years 2015–2025. Site EUI moved from 77.1 kBtu/ft² (2015) to 60.6 kBtu/ft² (2025), a 21% decrease. Reported emissions went from 257 tCO₂e to 214 tCO₂e over the same span (down 16%).
What does a site EUI of 60.6 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. 2024 Third Ave/Ywca's 60.6 kBtu/ft² across 116,947 sq ft works out to about 7.1 billion Btu (2,077 MWh-equivalent) in 2025. Its source EUI of 119.4 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,173,024 kWh of electricity and 36,144 therms of natural gas for the year.
Which law requires 2024 Third Ave/Ywca to report its energy use?
2024 Third Ave/Ywca 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:265:2025). 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
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- Brentwood Square Apts· 116,143 sq ft · score 84 (B)
- 206 Bell Street· 116,049 sq ft · score 54 (D)
- West Beach Condominium· 115,819 sq ft · score 58 (C)
- Chancery Place Apartments· 115,775 sq ft · score 79 (B)
- 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 2024 Third Ave/Ywca's energy grade?
2024 Third Ave/Ywca did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 60.6 kBtu/ft².
How much energy does 2024 Third Ave/Ywca use?
Its 2025 site energy-use intensity was 60.6 kBtu/ft² (119.4 kBtu/ft² source) across 116,947 sq ft, including 1,173,024 kWh of electricity and 36,144 therms of natural gas.
What are 2024 Third Ave/Ywca's carbon emissions?
2024 Third Ave/Ywca reported 214 tCO₂e of greenhouse-gas emissions (1.7 kgCO₂e/ft²) for 2025.
Where is 2024 Third Ave/Ywca?
2024 Third Ave/Ywca is at 2024 3RD AVE, in Seattle, Washington 98121. Its coordinates are 47.61316, -122.34153 (latitude, longitude), as published in the Building Energy Benchmarking file.
How big is 2024 Third Ave/Ywca and when was it built?
2024 Third Ave/Ywca has 116,947 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 2003 as its year built. It is classed as multifamily housing.
Is 2024 Third Ave/Ywca 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, “2024 Third Ave/Ywca, Seattle, Washington — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/seattle/2024-third-ave-ywca-8ba4ef26 (data as of October 2, 2026).