Lyons Gate Apartments
Multifamily Housing in Seattle, WA · 2632 21ST AVE W · 98199
At a glance
Lyons Gate Apartments is a 69,881-square-foot multifamily housing building at 2632 21ST AVE W in Seattle, Washington, built in 2001.
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 | 351,895 kWh |
| Gross floor area | 69,881 sq ft |
| Source record | seattle:22894:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | — | — | |
| 2024 | 95 | +1 | 19.4 kBtu/ft² | 14 tCO₂e |
| 2023 | 94 | +2 | 20.2 kBtu/ft² | 14 tCO₂e |
| 2022 | 92 | +1 | 23.1 kBtu/ft² | 24 tCO₂e |
| 2021 | 91 | +2 | 23.9 kBtu/ft² | 28 tCO₂e |
| 2020 | 89 | -4 | 24.2 kBtu/ft² | 31 tCO₂e |
| 2019 | 93 | -1 | 22.8 kBtu/ft² | 28 tCO₂e |
| 2018 | 94 | +3 | 21.4 kBtu/ft² | 23 tCO₂e |
| 2017 | 91 | +3 | 23.5 kBtu/ft² | 27 tCO₂e |
| 2016 | 88 | ±0 | 22.1 kBtu/ft² | 24 tCO₂e |
| 2015 | 88 | 21.9 kBtu/ft² | 23 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
- 2632 21ST AVE W
- City
- Seattle
- State
- Washington
- ZIP
- 98199
- Coordinates
- 47.64393, -122.38313
Within ~1 km
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See also: most efficient in Seattle · biggest emitters
How does Lyons Gate 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 69,881 sq ft, it is about 19% below the average floor area of 86,468 sq ft for those buildings. It was built in 2001, 18 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 Lyons Gate Apartments's energy performance changed over time?
BuildingCensus holds 11 Seattle disclosures for Lyons Gate Apartments, covering report years 2015–2025. Its ENERGY STAR score went from 88 in 2015 to 95 in 2024 (+7 points). Site EUI moved from 21.9 kBtu/ft² (2015) to 19.4 kBtu/ft² (2024), a 11% decrease. Reported emissions went from 23 tCO₂e to 14 tCO₂e over the same span (down 41%).
Which law requires Lyons Gate Apartments to report its energy use?
Lyons Gate 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:22894:2025). 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
- Decibel Apartments· 69,656 sq ft · EUI 21.1 kBtu/ft²
- The Vermont Inn· 69,590 sq ft · score 98 (A)
- Junction Flats· 69,511 sq ft · score 98 (A)
- Allegro 1 Apartments· 69,452 sq ft · score 99 (A)
- Roosevelt & 50th Apartments· 69,404 sq ft · EUI 28.6 kBtu/ft²
- Pike Lofts Condominium· 69,272 sq ft · EUI 40.5 kBtu/ft²
- 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 Lyons Gate Apartments's energy grade?
Lyons Gate Apartments did not report an ENERGY STAR score in its 2025 disclosure.
How much energy does Lyons Gate Apartments use?
No energy-use intensity was reported for 2025.
What are Lyons Gate Apartments's carbon emissions?
No greenhouse-gas emissions figure was reported for 2025.
Where is Lyons Gate Apartments?
Lyons Gate Apartments is at 2632 21ST AVE W, in Seattle, Washington 98199. Its coordinates are 47.64393, -122.38313 (latitude, longitude), as published in the Building Energy Benchmarking file.
How big is Lyons Gate Apartments and when was it built?
Lyons Gate Apartments has 69,881 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 2001 as its year built. It is classed as multifamily housing.
Is Lyons Gate 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, “Lyons Gate Apartments, Seattle, Washington — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/seattle/lyons-gate-apartments-a946113c (data as of October 2, 2026).