West Seattle Family Ymca
Fitness Center/Health Club/Gym in Seattle, WA · 4515 36TH AVE SW · 98126
At a glance
West Seattle Family Ymca is a 60,270-square-foot fitness center/health club/gym at 4515 36TH AVE SW in Seattle, Washington, built in 1984. In its 2025 Seattle benchmarking disclosure it reported a site energy-use intensity of 103.0 kBtu/ft² and 164 tCO₂e of greenhouse-gas emissions.
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 103.0 kBtu/ft² |
| Source EUI | 178.2 kBtu/ft² |
| GHG emissions | 164 tCO₂e |
| GHG intensity | 3.4 kgCO₂e/ft² |
| Electricity | 560,054 kWh |
| Natural gas | 30,127 therms |
| Gross floor area | 60,270 sq ft |
| Source record | seattle:20439:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 103.0 kBtu/ft² | 164 tCO₂e | |
| 2024 | — | 111.7 kBtu/ft² | 187 tCO₂e | |
| 2023 | — | — | 12 tCO₂e | |
| 2022 | — | — | 11 tCO₂e | |
| 2021 | — | 106.7 kBtu/ft² | 195 tCO₂e | |
| 2020 | — | 98.3 kBtu/ft² | 179 tCO₂e | |
| 2019 | — | 147.0 kBtu/ft² | 272 tCO₂e | |
| 2018 | — | 154.5 kBtu/ft² | 271 tCO₂e | |
| 2017 | — | 144.3 kBtu/ft² | 247 tCO₂e | |
| 2016 | — | 128.0 kBtu/ft² | 207 tCO₂e | |
| 2015 | — | 133.4 kBtu/ft² | 211 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
- 4515 36TH AVE SW
- City
- Seattle
- State
- Washington
- ZIP
- 98126
- Coordinates
- 47.56245, -122.37805
Within ~1 km
Nearby benchmarked buildings
Multifamily MR (5-9) · 649,605 sq ft
- Spruce West Seattlescore 61
Multifamily Housing · 409,825 sq ft
- Providence Mt St Vincentscore 44
Senior Living Community · 371,257 sq ft
- Maris Apartmentsscore 100
Multifamily Housing · 272,811 sq ft
- Junction 47score 84
Multifamily Housing · 271,922 sq ft
Supermarket/Grocery Store · 229,383 sq ft
See also: most efficient in Seattle · biggest emitters
How does West Seattle Family Ymca compare with other fitness center/health club/gym buildings in Seattle?
The latest disclosures cover 9 fitness center/health club/gym buildings in Seattle, out of 3,871 buildings citywide. Its site EUI of 103.0 kBtu/ft² is about 49% above the average of 69.3 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 3.4 kgCO₂e/ft² is about 63% above the group average of 2.1 kgCO₂e/ft².
At 60,270 sq ft, it is about 14% above the average floor area of 52,695 sq ft for those buildings. It was built in 1984, 11 years later than the group's average year built (1973). Across all 24 jurisdictions BuildingCensus covers, the 399 fitness center/health club/gym buildings average an ENERGY STAR score of 89 and a site EUI of 112.4 kBtu/ft².
How has West Seattle Family Ymca's energy performance changed over time?
BuildingCensus holds 11 Seattle disclosures for West Seattle Family Ymca, covering report years 2015–2025. Site EUI moved from 133.4 kBtu/ft² (2015) to 103.0 kBtu/ft² (2025), a 23% decrease. Reported emissions went from 211 tCO₂e to 164 tCO₂e over the same span (down 23%).
What does a site EUI of 103.0 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. West Seattle Family Ymca's 103.0 kBtu/ft² across 60,270 sq ft works out to about 6.2 billion Btu (1,819 MWh-equivalent) in 2025. Its source EUI of 178.2 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 560,054 kWh of electricity and 30,127 therms of natural gas for the year.
Which law requires West Seattle Family Ymca to report its energy use?
West Seattle Family Ymca 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:20439:2025). 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 fitness center/health club/gym buildings in Seattle
- East Madison Ymca· 45,000 sq ft · EUI 33.0 kBtu/ft²
- La Fitness Center· 45,000 sq ft · EUI 2984.4 kBtu/ft²
- N F Corporation-1415 Nw 52nd· 36,700 sq ft · EUI 46.5 kBtu/ft²
- Health Club· 25,406 sq ft · EUI 52.4 kBtu/ft²
- SEATTLE BOULDERING PROJECT· 18,481 sq ft · EUI 27.3 kBtu/ft²
- 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 West Seattle Family Ymca's energy grade?
West Seattle Family Ymca did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 103.0 kBtu/ft².
How much energy does West Seattle Family Ymca use?
Its 2025 site energy-use intensity was 103.0 kBtu/ft² (178.2 kBtu/ft² source) across 60,270 sq ft, including 560,054 kWh of electricity and 30,127 therms of natural gas.
What are West Seattle Family Ymca's carbon emissions?
West Seattle Family Ymca reported 164 tCO₂e of greenhouse-gas emissions (3.4 kgCO₂e/ft²) for 2025.
Where is West Seattle Family Ymca?
West Seattle Family Ymca is at 4515 36TH AVE SW, in Seattle, Washington 98126. Its coordinates are 47.56245, -122.37805 (latitude, longitude), as published in the Building Energy Benchmarking file.
How big is West Seattle Family Ymca and when was it built?
West Seattle Family Ymca has 60,270 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 1984 as its year built. It is classed as fitness center/health club/gym.
Is West Seattle Family Ymca 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).
Working with Seattle building benchmarking records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “West Seattle Family Ymca, Seattle, Washington — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/seattle/west-seattle-family-ymca-1af45fb3 (data as of October 2, 2026).