Rainier Worklofts & Storage LLC. (Phase II)
Mixed Use Property in Seattle, WA · 3250 AIRPORT WAY S · 98134
At a glance
Rainier Worklofts & Storage LLC. (Phase II) is a 136,769-square-foot mixed use property building at 3250 AIRPORT WAY S in Seattle, Washington, built in 2016. In its 2024 Seattle benchmarking disclosure it reported a site energy-use intensity of 16.6 kBtu/ft² and 34 tCO₂e of greenhouse-gas emissions.
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 16.6 kBtu/ft² |
| Source EUI | 40.9 kBtu/ft² |
| GHG emissions | 34 tCO₂e |
| GHG intensity | 0.2 kgCO₂e/ft² |
| Electricity | 537,384 kWh |
| Natural gas | 4,371 therms |
| Gross floor area | 136,769 sq ft |
| Source record | seattle:50430:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 16.6 kBtu/ft² | 34 tCO₂e | |
| 2023 | — | 20.1 kBtu/ft² | 60 tCO₂e | |
| 2022 | — | 22.4 kBtu/ft² | 69 tCO₂e | |
| 2021 | — | 20.6 kBtu/ft² | 66 tCO₂e | |
| 2020 | — | 18.9 kBtu/ft² | 51 tCO₂e | |
| 2019 | 96 | 18.4 kBtu/ft² | 52 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
- 3250 AIRPORT WAY S
- City
- Seattle
- State
- Washington
- ZIP
- 98134
- Coordinates
- 47.57497, -122.32101
Within ~1 km
Nearby benchmarked buildings
Office · 213,696 sq ft
Other - Utility · 179,161 sq ft
Other - Services · 162,157 sq ft
- Airport Way Ctr - Bldg Cscore —
Mixed Use Property · 145,158 sq ft
Self-Storage Facility · 111,845 sq ft
- Westview Apartment Homesscore 89
Multifamily Housing · 107,518 sq ft
See also: most efficient in Seattle · biggest emitters
How does Rainier Worklofts & Storage LLC. (Phase II) compare with other mixed use property buildings in Seattle?
The latest disclosures cover 157 mixed use property buildings in Seattle, out of 3,871 buildings citywide. Its site EUI of 16.6 kBtu/ft² is about 76% below the average of 68.7 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 0.2 kgCO₂e/ft² is about 82% below the group average of 1.4 kgCO₂e/ft².
At 136,769 sq ft, it is about 17% below the average floor area of 165,352 sq ft for those buildings. It was built in 2016, 48 years later than the group's average year built (1968). Across all 24 jurisdictions BuildingCensus covers, the 1,212 mixed use property buildings average an ENERGY STAR score of 69 and a site EUI of 79.8 kBtu/ft².
How has Rainier Worklofts & Storage LLC. (Phase II)'s energy performance changed over time?
BuildingCensus holds 6 Seattle disclosures for Rainier Worklofts & Storage LLC. (Phase II), covering report years 2019–2024. Site EUI moved from 18.4 kBtu/ft² (2019) to 16.6 kBtu/ft² (2024), a 10% decrease. Reported emissions went from 52 tCO₂e to 34 tCO₂e over the same span (down 35%).
What does a site EUI of 16.6 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. Rainier Worklofts & Storage LLC. (Phase II)'s 16.6 kBtu/ft² across 136,769 sq ft works out to about 2.3 billion Btu (665 MWh-equivalent) in 2024. Its source EUI of 40.9 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 537,384 kWh of electricity and 4,371 therms of natural gas for the year.
Which law requires Rainier Worklofts & Storage LLC. (Phase II) to report its energy use?
Rainier Worklofts & Storage LLC. (Phase II) 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 2024 disclosure (source record seattle:50430:2024). 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 mixed use property buildings in Seattle
- Biomed Fairview Research Center· 129,093 sq ft · EUI 110.1 kBtu/ft²
- Queen Anne Station· 127,735 sq ft · EUI 69.6 kBtu/ft²
- Cosmopolitan Apartments (Retail And Apts/Condo)· 126,153 sq ft · score 64 (C)
- Russell Hall· 122,400 sq ft · score 80 (B)
- Westbridge Building - Seattle Parks Dept· 113,780 sq ft · EUI 36.9 kBtu/ft²
- Holgate Center· 112,896 sq ft · score 60 (C)
- Mixed Use Property buildings in Seattle· 157 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 Rainier Worklofts & Storage LLC. (Phase II)'s energy grade?
Rainier Worklofts & Storage LLC. (Phase II) did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 16.6 kBtu/ft².
How much energy does Rainier Worklofts & Storage LLC. (Phase II) use?
Its 2024 site energy-use intensity was 16.6 kBtu/ft² (40.9 kBtu/ft² source) across 136,769 sq ft, including 537,384 kWh of electricity and 4,371 therms of natural gas.
What are Rainier Worklofts & Storage LLC. (Phase II)'s carbon emissions?
Rainier Worklofts & Storage LLC. (Phase II) reported 34 tCO₂e of greenhouse-gas emissions (0.2 kgCO₂e/ft²) for 2024.
Where is Rainier Worklofts & Storage LLC. (Phase II)?
Rainier Worklofts & Storage LLC. (Phase II) is at 3250 AIRPORT WAY S, in Seattle, Washington 98134. Its coordinates are 47.57497, -122.32101 (latitude, longitude), as published in the Building Energy Benchmarking file.
How big is Rainier Worklofts & Storage LLC. (Phase II) and when was it built?
Rainier Worklofts & Storage LLC. (Phase II) has 136,769 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2016 as its year built. It is classed as mixed use property.
Is Rainier Worklofts & Storage LLC. (Phase II) covered by the Seattle Energy Benchmarking Ordinance (SMC 22.920)?
Yes — it appears in the 2024 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, “Rainier Worklofts & Storage LLC. (Phase II), Seattle, Washington — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/seattle/rainier-worklofts-storage-llc-phase-ii-907f03f0 (data as of October 2, 2026).