Downtown Self Storage
Self-Storage Facility in Seattle, WA · 1915 3RD AVE · 98101
At a glance
Downtown Self Storage is a 46,580-square-foot self-storage facility at 1915 3RD AVE in Seattle, Washington, built in 1928. 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 | 46.2 kBtu/ft² |
| GHG emissions | 4 tCO₂e |
| GHG intensity | 0.1 kgCO₂e/ft² |
| Electricity | 225,483 kWh |
| Gross floor area | 46,580 sq ft |
| Source record | seattle:21095:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 16.5 kBtu/ft² | 4 tCO₂e | |
| 2024 | — | 13.5 kBtu/ft² | 4 tCO₂e | |
| 2023 | — | 13.2 kBtu/ft² | 4 tCO₂e | |
| 2022 | — | 15.5 kBtu/ft² | 4 tCO₂e | |
| 2021 | — | 15.2 kBtu/ft² | 4 tCO₂e | |
| 2020 | — | 17.9 kBtu/ft² | 5 tCO₂e | |
| 2019 | — | 17.0 kBtu/ft² | 5 tCO₂e | |
| 2018 | — | 17.0 kBtu/ft² | 5 tCO₂e | |
| 2017 | — | 18.0 kBtu/ft² | 5 tCO₂e | |
| 2016 | — | 15.2 kBtu/ft² | 4 tCO₂e | |
| 2015 | — | 16.4 kBtu/ft² | 4 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
- 1915 3RD AVE
- City
- Seattle
- State
- Washington
- ZIP
- 98101
- Coordinates
- 47.61179, -122.34040
Within ~1 km
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See also: most efficient in Seattle · biggest emitters
How does Downtown Self Storage compare with other self-storage facility buildings in Seattle?
The latest disclosures cover 48 self-storage facility buildings in Seattle, out of 3,871 buildings citywide. Its site EUI of 16.5 kBtu/ft² is roughly in line with the average of 15.6 kBtu/ft². Its emissions intensity of 0.1 kgCO₂e/ft² is about 70% below the group average of 0.3 kgCO₂e/ft².
At 46,580 sq ft, it is about half of the average floor area of 88,206 sq ft for those buildings. It was built in 1928, 48 years earlier than the group's average year built (1976). Across all 24 jurisdictions BuildingCensus covers, the 3,050 self-storage facility buildings average an ENERGY STAR score of 75 and a site EUI of 9.4 kBtu/ft².
How has Downtown Self Storage's energy performance changed over time?
BuildingCensus holds 11 Seattle disclosures for Downtown Self Storage, covering report years 2015–2025. Site EUI moved from 16.4 kBtu/ft² (2015) to 16.5 kBtu/ft² (2025), an 1% increase. Reported emissions went from 4 tCO₂e to 4 tCO₂e over the same span (down 0%).
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. Downtown Self Storage's 16.5 kBtu/ft² across 46,580 sq ft works out to about 0.8 billion Btu (225 MWh-equivalent) in 2025. Its source EUI of 46.2 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 225,483 kWh of electricity for the year.
Which law requires Downtown Self Storage to report its energy use?
Downtown Self Storage 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:21095:2025). 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 self-storage facility buildings in Seattle
- Self Storage Mini Warehouse· 39,952 sq ft · EUI 1.3 kBtu/ft²
- Roosevelt Self Storage· 38,959 sq ft · EUI 36.9 kBtu/ft²
- Public Storage· 36,600 sq ft · EUI 3.7 kBtu/ft²
- Superior Self Storage Mini Whse· 36,444 sq ft · EUI 3.3 kBtu/ft²
- Lake City Mini Storage· 34,176 sq ft · EUI 15.0 kBtu/ft²
- Northgate Self Storage· 33,344 sq ft · EUI 3.7 kBtu/ft²
- Self-Storage Facility buildings in Seattle· 48 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 Downtown Self Storage's energy grade?
Downtown Self Storage 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 Downtown Self Storage use?
Its 2025 site energy-use intensity was 16.5 kBtu/ft² (46.2 kBtu/ft² source) across 46,580 sq ft, including 225,483 kWh of electricity.
What are Downtown Self Storage's carbon emissions?
Downtown Self Storage reported 4 tCO₂e of greenhouse-gas emissions (0.1 kgCO₂e/ft²) for 2025.
Where is Downtown Self Storage?
Downtown Self Storage is at 1915 3RD AVE, in Seattle, Washington 98101. Its coordinates are 47.61179, -122.34040 (latitude, longitude), as published in the Building Energy Benchmarking file.
How big is Downtown Self Storage and when was it built?
Downtown Self Storage has 46,580 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 1928 as its year built. It is classed as self-storage facility.
Is Downtown Self Storage 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, “Downtown Self Storage, Seattle, Washington — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/seattle/downtown-self-storage-e15a3289 (data as of October 2, 2026).