Windwatch Townhouses Condominium
Other - Lodging/Residential in Seattle, WA · 2400 AURORA AVE N · 98109
At a glance
Windwatch Townhouses Condominium is a 44,832-square-foot other - lodging/residential building at 2400 AURORA AVE N in Seattle, Washington, built in 1987. In its 2025 Seattle benchmarking disclosure it reported a site energy-use intensity of 16.5 kBtu/ft² and 4 tCO₂e of greenhouse-gas emissions.
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 16.5 kBtu/ft² |
| Source EUI | 46.3 kBtu/ft² |
| GHG emissions | 4 tCO₂e |
| GHG intensity | 0.1 kgCO₂e/ft² |
| Electricity | 217,383 kWh |
| Gross floor area | 44,832 sq ft |
| Source record | seattle:26282:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 16.5 kBtu/ft² | 4 tCO₂e | |
| 2024 | — | 16.6 kBtu/ft² | 4 tCO₂e | |
| 2023 | — | 17.3 kBtu/ft² | 5 tCO₂e | |
| 2022 | — | 17.0 kBtu/ft² | 4 tCO₂e | |
| 2021 | — | 16.6 kBtu/ft² | 4 tCO₂e | |
| 2020 | — | 15.6 kBtu/ft² | 4 tCO₂e | |
| 2019 | 98 | ±0 | 18.2 kBtu/ft² | 4 tCO₂e |
| 2018 | 98 | +2 | 18.3 kBtu/ft² | 4 tCO₂e |
| 2017 | 96 | +6 | 20.7 kBtu/ft² | 5 tCO₂e |
| 2016 | 90 | -5 | 21.0 kBtu/ft² | 5 tCO₂e |
| 2015 | 95 | 18.2 kBtu/ft² | 5 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
- 2400 AURORA AVE N
- City
- Seattle
- State
- Washington
- ZIP
- 98109
- Coordinates
- 47.64038, -122.34581
Within ~1 km
Nearby benchmarked buildings
- West Lake Union Centerscore 90
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- Tableau (North Edge)score 88
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- Adobe Building-801-N 34 St.score 74
Office · 280,957 sq ft
- 1633 Westlake Buildingscore —
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- Cascade Terracescore 90
Multifamily Housing · 185,403 sq ft
- LAKE UNION BUILDINGscore 66
Office · 156,698 sq ft
See also: most efficient in Seattle · biggest emitters
How does Windwatch Townhouses Condominium compare with other other - lodging/residential buildings in Seattle?
The latest disclosures cover 7 other - lodging/residential buildings in Seattle, out of 3,871 buildings citywide. Its site EUI of 16.5 kBtu/ft² is about 63% below the average of 44.4 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 93% below the group average of 1.2 kgCO₂e/ft².
At 44,832 sq ft, it is about 14% above the average floor area of 39,435 sq ft for those buildings. It was built in 1987, 39 years later than the group's average year built (1948). Across all 24 jurisdictions BuildingCensus covers, the 327 other - lodging/residential buildings average an ENERGY STAR score of 70 and a site EUI of 75.4 kBtu/ft².
How has Windwatch Townhouses Condominium's energy performance changed over time?
BuildingCensus holds 11 Seattle disclosures for Windwatch Townhouses Condominium, covering report years 2015–2025. Its ENERGY STAR score went from 95 in 2015 to 98 in 2019 (+3 points); its best year on file was 2018, at 98. Site EUI moved from 18.2 kBtu/ft² (2015) to 16.5 kBtu/ft² (2025), a 9% decrease. Reported emissions went from 5 tCO₂e to 4 tCO₂e over the same span (down 10%).
What does a site EUI of 16.5 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. Windwatch Townhouses Condominium's 16.5 kBtu/ft² across 44,832 sq ft works out to about 0.7 billion Btu (217 MWh-equivalent) in 2025. Its source EUI of 46.3 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 217,383 kWh of electricity for the year.
Which law requires Windwatch Townhouses Condominium to report its energy use?
Windwatch Townhouses Condominium 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:26282:2025). 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 other - lodging/residential buildings in Seattle
- Ace Hotel (Union Gospel Mission Building)· 29,820 sq ft · EUI 35.7 kBtu/ft²
- Teen Challenge - Union Gospel Mission· 25,200 sq ft · EUI 55.4 kBtu/ft²
- Alpha Phi Sorority· 22,232 sq ft · EUI 68.4 kBtu/ft²
- Kappa Alpha Theta Sorority· 20,686 sq ft · EUI 60.9 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 Windwatch Townhouses Condominium's energy grade?
Windwatch Townhouses Condominium did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 16.5 kBtu/ft².
How much energy does Windwatch Townhouses Condominium use?
Its 2025 site energy-use intensity was 16.5 kBtu/ft² (46.3 kBtu/ft² source) across 44,832 sq ft, including 217,383 kWh of electricity.
What are Windwatch Townhouses Condominium's carbon emissions?
Windwatch Townhouses Condominium reported 4 tCO₂e of greenhouse-gas emissions (0.1 kgCO₂e/ft²) for 2025.
Where is Windwatch Townhouses Condominium?
Windwatch Townhouses Condominium is at 2400 AURORA AVE N, in Seattle, Washington 98109. Its coordinates are 47.64038, -122.34581 (latitude, longitude), as published in the Building Energy Benchmarking file.
How big is Windwatch Townhouses Condominium and when was it built?
Windwatch Townhouses Condominium has 44,832 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 1987 as its year built. It is classed as other - lodging/residential.
Is Windwatch Townhouses Condominium 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, “Windwatch Townhouses Condominium, Seattle, Washington — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/seattle/windwatch-townhouses-condominium-02736e1a (data as of October 2, 2026).