Atwater Park Condominium
Multifamily Housing in Seattle, WA · 3121 W GOVERNMENT WAY · 98199
At a glance
Atwater Park Condominium is a 26,815-square-foot multifamily housing building at 3121 W GOVERNMENT WAY in Seattle, Washington, built in 2002. In its 2025 Seattle benchmarking disclosure it reported a site energy-use intensity of 41.4 kBtu/ft² and 22 tCO₂e of greenhouse-gas emissions.
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 41.4 kBtu/ft² |
| Source EUI | 88.0 kBtu/ft² |
| GHG emissions | 22 tCO₂e |
| GHG intensity | 1.0 kgCO₂e/ft² |
| Electricity | 169,372 kWh |
| Natural gas | 3,636 therms |
| Gross floor area | 26,815 sq ft |
| Source record | seattle:19541:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 41.4 kBtu/ft² | 22 tCO₂e | |
| 2024 | — | 42.9 kBtu/ft² | 25 tCO₂e | |
| 2023 | — | 39.2 kBtu/ft² | 21 tCO₂e | |
| 2022 | — | 53.6 kBtu/ft² | 39 tCO₂e | |
| 2021 | — | 61.1 kBtu/ft² | 48 tCO₂e | |
| 2020 | — | 40.2 kBtu/ft² | 23 tCO₂e | |
| 2019 | — | 39.3 kBtu/ft² | 22 tCO₂e | |
| 2018 | — | 38.1 kBtu/ft² | 20 tCO₂e | |
| 2017 | — | 38.6 kBtu/ft² | 20 tCO₂e | |
| 2016 | — | 37.9 kBtu/ft² | 18 tCO₂e | |
| 2015 | — | 38.3 kBtu/ft² | 20 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
- 3121 W GOVERNMENT WAY
- City
- Seattle
- State
- Washington
- ZIP
- 98199
- Coordinates
- 47.66091, -122.39778
Within ~1 km
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See also: most efficient in Seattle · biggest emitters
How does Atwater Park Condominium 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 41.4 kBtu/ft² is about 19% 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 1.0 kgCO₂e/ft² is about 37% above the group average of 0.7 kgCO₂e/ft².
At 26,815 sq ft, it is about 69% below the average floor area of 86,468 sq ft for those buildings. It was built in 2002, 19 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 Atwater Park Condominium's energy performance changed over time?
BuildingCensus holds 11 Seattle disclosures for Atwater Park Condominium, covering report years 2015–2025. Site EUI moved from 38.3 kBtu/ft² (2015) to 41.4 kBtu/ft² (2025), an 8% increase. Reported emissions went from 20 tCO₂e to 22 tCO₂e over the same span (up 12%).
What does a site EUI of 41.4 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. Atwater Park Condominium's 41.4 kBtu/ft² across 26,815 sq ft works out to about 1.1 billion Btu (325 MWh-equivalent) in 2025. Its source EUI of 88.0 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 169,372 kWh of electricity and 3,636 therms of natural gas for the year.
Which law requires Atwater Park Condominium to report its energy use?
Atwater Park 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:19541:2025). 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
- Parke Grandview Condominium· 26,808 sq ft · score 22 (D)
- Grandview Apts· 26,772 sq ft · score 77 (B)
- Bitter Lake West Condominium· 26,744 sq ft · score 97 (A)
- The Burlingame· 26,694 sq ft · EUI 43.3 kBtu/ft²
- Pinnacle At Alki· 26,686 sq ft · EUI 22.7 kBtu/ft²
- Rialto Court· 26,684 sq ft · score 97 (A)
- 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 Atwater Park Condominium's energy grade?
Atwater Park Condominium did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 41.4 kBtu/ft².
How much energy does Atwater Park Condominium use?
Its 2025 site energy-use intensity was 41.4 kBtu/ft² (88.0 kBtu/ft² source) across 26,815 sq ft, including 169,372 kWh of electricity and 3,636 therms of natural gas.
What are Atwater Park Condominium's carbon emissions?
Atwater Park Condominium reported 22 tCO₂e of greenhouse-gas emissions (1.0 kgCO₂e/ft²) for 2025.
Where is Atwater Park Condominium?
Atwater Park Condominium is at 3121 W GOVERNMENT WAY, in Seattle, Washington 98199. Its coordinates are 47.66091, -122.39778 (latitude, longitude), as published in the Building Energy Benchmarking file.
How big is Atwater Park Condominium and when was it built?
Atwater Park Condominium has 26,815 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 2002 as its year built. It is classed as multifamily housing.
Is Atwater Park 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, “Atwater Park Condominium, Seattle, Washington — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/seattle/atwater-park-condominium-75b8781d (data as of October 2, 2026).