Session Apartments
Multifamily Housing in Seattle, WA · 2045 E MADISON ST · 98122
At a glance
Session Apartments is a 108,169-square-foot multifamily housing building at 2045 E MADISON ST in Seattle, Washington, built in 2016.
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 | 460,139 kWh |
| Gross floor area | 108,169 sq ft |
| Source record | seattle:50334:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | — | — | |
| 2024 | 100 | ±0 | 22.5 kBtu/ft² | 58 tCO₂e |
| 2023 | 100 | ±0 | 22.4 kBtu/ft² | 60 tCO₂e |
| 2022 | 100 | ±0 | 23.3 kBtu/ft² | 61 tCO₂e |
| 2021 | 100 | +1 | 23.1 kBtu/ft² | 64 tCO₂e |
| 2020 | 99 | ±0 | 24.9 kBtu/ft² | 76 tCO₂e |
| 2019 | 99 | +9 | 25.3 kBtu/ft² | 76 tCO₂e |
| 2018 | 90 | 36.2 kBtu/ft² | 125 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
- 2045 E MADISON ST
- City
- Seattle
- State
- Washington
- ZIP
- 98122
- Coordinates
- 47.61758, -122.30410
Within ~1 km
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See also: most efficient in Seattle · biggest emitters
How does Session 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 108,169 sq ft, it is about 25% above the average floor area of 86,468 sq ft for those buildings. It was built in 2016, 33 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 Session Apartments's energy performance changed over time?
BuildingCensus holds 8 Seattle disclosures for Session Apartments, covering report years 2018–2025. Its ENERGY STAR score went from 90 in 2018 to 100 in 2024 (+10 points); its best year on file was 2021, at 100. Site EUI moved from 36.2 kBtu/ft² (2018) to 22.5 kBtu/ft² (2024), a 38% decrease. Reported emissions went from 125 tCO₂e to 58 tCO₂e over the same span (down 54%).
Which law requires Session Apartments to report its energy use?
Session 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:50334:2025). 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
- Soundview· 108,066 sq ft · EUI 27.9 kBtu/ft²
- Infinity Shore Club· 107,799 sq ft · score 60 (C)
- Evolve Apartments· 107,556 sq ft · score 77 (B)
- Westview Apartment Homes· 107,518 sq ft · score 89 (A)
- East Howe Steps· 106,604 sq ft · score 75 (B)
- Illumina Lake Union· 106,524 sq ft
- 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 Session Apartments's energy grade?
Session Apartments did not report an ENERGY STAR score in its 2025 disclosure.
How much energy does Session Apartments use?
No energy-use intensity was reported for 2025.
What are Session Apartments's carbon emissions?
No greenhouse-gas emissions figure was reported for 2025.
Where is Session Apartments?
Session Apartments is at 2045 E MADISON ST, in Seattle, Washington 98122. Its coordinates are 47.61758, -122.30410 (latitude, longitude), as published in the Building Energy Benchmarking file.
How big is Session Apartments and when was it built?
Session Apartments has 108,169 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 2016 as its year built. It is classed as multifamily housing.
Is Session 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, “Session Apartments, Seattle, Washington — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/seattle/session-apartments-a895c8ce (data as of October 2, 2026).