At a glance
The Evanston Building is a 90,000-square-foot office building at 501 N 34TH ST in Seattle, Washington, built in 2000. In its 2025 Seattle benchmarking disclosure it reported an ENERGY STAR score of 54 out of 100 (grade D), a site energy-use intensity of 62.3 kBtu/ft² and 19 tCO₂e of greenhouse-gas emissions. That score is higher than 12% of the 378 scored office buildings in Seattle.
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 54 (band D) |
| Site EUI | 62.3 kBtu/ft² |
| Source EUI | 174.4 kBtu/ft² |
| GHG emissions | 19 tCO₂e |
| GHG intensity | 0.4 kgCO₂e/ft² |
| Electricity | 976,285 kWh |
| Gross floor area | 90,000 sq ft |
| Source record | seattle:521:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 54 | +6 | 62.3 kBtu/ft² | 19 tCO₂e |
| 2024 | 48 | +10 | 65.7 kBtu/ft² | 20 tCO₂e |
| 2023 | 38 | -3 | 75.1 kBtu/ft² | 23 tCO₂e |
| 2022 | 41 | +5 | 73.4 kBtu/ft² | 23 tCO₂e |
| 2021 | 36 | +3 | 78.1 kBtu/ft² | 24 tCO₂e |
| 2020 | 33 | +13 | 81.3 kBtu/ft² | 25 tCO₂e |
| 2019 | 20 | -8 | 96.8 kBtu/ft² | 30 tCO₂e |
| 2018 | 28 | -4 | 86.6 kBtu/ft² | 27 tCO₂e |
| 2017 | 32 | -52 | 80.6 kBtu/ft² | 25 tCO₂e |
| 2016 | 84 | +2 | 43.3 kBtu/ft² | 23 tCO₂e |
| 2015 | 82 | 45.0 kBtu/ft² | 24 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
- 501 N 34TH ST
- City
- Seattle
- State
- Washington
- ZIP
- 98103
- Coordinates
- 47.64963, -122.35158
Within ~1 km
Nearby benchmarked buildings
- Parkview & Waterside Campusscore —
Office · 404,916 sq ft
- Adobe Building-801-N 34 St.score 74
Office · 280,957 sq ft
Office · 243,334 sq ft
- Epicenter Aptsscore —
Mixed Use Property · 225,145 sq ft
- Lakeview At Fremontscore 93
Office · 202,623 sq ft
- 744 N 34th Stscore 65
Office · 202,081 sq ft
See also: most efficient in Seattle · biggest emitters
How does The Evanston Building compare with other office buildings in Seattle?
The latest disclosures cover 497 office buildings in Seattle, out of 3,871 buildings citywide. The Evanston Building's ENERGY STAR score of 54 compares with an average of 76 across the 378 that report a score; it scores higher than 12% of them and lower than 87%. Its site EUI of 62.3 kBtu/ft² is about 39% above the average of 44.8 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 0.4 kgCO₂e/ft² is about half of the group average of 0.7 kgCO₂e/ft².
At 90,000 sq ft, it is about half of the average floor area of 196,452 sq ft for those buildings. It was built in 2000, 35 years later than the group's average year built (1965). Across all 24 jurisdictions BuildingCensus covers, the 15,264 office buildings average an ENERGY STAR score of 73 and a site EUI of 59.3 kBtu/ft².
How has The Evanston Building's energy performance changed over time?
BuildingCensus holds 11 Seattle disclosures for The Evanston Building, covering report years 2015–2025. Its ENERGY STAR score went from 82 in 2015 to 54 in 2025 (-28 points); its best year on file was 2016, at 84. Site EUI moved from 45.0 kBtu/ft² (2015) to 62.3 kBtu/ft² (2025), an 38% increase. Reported emissions went from 24 tCO₂e to 19 tCO₂e over the same span (down 18%).
What does an ENERGY STAR score of 54 mean?
ENERGY STAR scores run from 1 to 100 and are computed by the EPA's Portfolio Manager as a percentile against similar buildings nationwide, adjusted for climate, size and use: a score of 54 means the building performs better than about 54% of its national peers. BuildingCensus bands the score into report-card grades; 54 falls in band D — lowest band (1–54). It sits 21 points below 75, the threshold for ENERGY STAR certification. In Seattle, 69% of scored buildings are at 75 or above.
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. The Evanston Building's 62.3 kBtu/ft² across 90,000 sq ft works out to about 5.6 billion Btu (1,643 MWh-equivalent) in 2025. Its source EUI of 174.4 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 976,285 kWh of electricity for the year.
Which law requires The Evanston Building to report its energy use?
The Evanston Building 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:521:2025). 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 office buildings in Seattle
- 1130 Building Darigold Hq· 89,780 sq ft · score 76 (B)
- Broderick Building· 89,550 sq ft · score 94 (A)
- Pioneer Building· 89,355 sq ft · score 89 (A)
- NORTHGATE EXECUTIVE CENTER C· 88,774 sq ft · score 48 (D)
- 200 West Thomas Building· 88,062 sq ft · score 67 (C)
- Port Of Seattle - World Trade Center-West· 87,500 sq ft · score 93 (A)
- Office buildings in Seattle· 497 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 The Evanston Building's energy grade?
The Evanston Building scores 54 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2025 Seattle disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does The Evanston Building use?
Its 2025 site energy-use intensity was 62.3 kBtu/ft² (174.4 kBtu/ft² source) across 90,000 sq ft, including 976,285 kWh of electricity.
What are The Evanston Building's carbon emissions?
The Evanston Building reported 19 tCO₂e of greenhouse-gas emissions (0.4 kgCO₂e/ft²) for 2025.
Where is The Evanston Building?
The Evanston Building is at 501 N 34TH ST, in Seattle, Washington 98103. Its coordinates are 47.64963, -122.35158 (latitude, longitude), as published in the Building Energy Benchmarking file.
How big is The Evanston Building and when was it built?
The Evanston Building has 90,000 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 2000 as its year built. It is classed as office.
Is The Evanston Building 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, “The Evanston Building, Seattle, Washington — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/seattle/the-evanston-building-dc5b55a3 (data as of October 2, 2026).