At a glance
Eastlake Center (South) is a 76,245-square-foot office building at 2815 EASTLAKE AVE E in Seattle, Washington, built in 1989. In its 2025 Seattle benchmarking disclosure it reported an ENERGY STAR score of 68 out of 100 (grade C), a site energy-use intensity of 47.6 kBtu/ft² and 11 tCO₂e of greenhouse-gas emissions. That score is higher than 24% 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 | 68 (band C) |
| Site EUI | 47.6 kBtu/ft² |
| Source EUI | 133.3 kBtu/ft² |
| GHG emissions | 11 tCO₂e |
| GHG intensity | 0.3 kgCO₂e/ft² |
| Electricity | 573,864 kWh |
| Gross floor area | 76,245 sq ft |
| Source record | seattle:20835:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 68 | -3 | 47.6 kBtu/ft² | 11 tCO₂e |
| 2024 | 71 | +3 | 46.0 kBtu/ft² | 11 tCO₂e |
| 2023 | 68 | +3 | 47.8 kBtu/ft² | 11 tCO₂e |
| 2022 | 65 | +8 | 50.0 kBtu/ft² | 12 tCO₂e |
| 2021 | 57 | -3 | 54.7 kBtu/ft² | 13 tCO₂e |
| 2020 | 60 | 52.7 kBtu/ft² | 13 tCO₂e | |
| 2019 | — | — | — |
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
- 2815 EASTLAKE AVE E
- City
- Seattle
- State
- Washington
- ZIP
- 98102
- Coordinates
- 47.64596, -122.32628
Within ~1 km
Nearby benchmarked buildings
- Northlake Commonsscore —
Mixed Use Property · 294,150 sq ft
- Liza Eastlakescore 99
Multifamily Housing · 207,034 sq ft
- Eastlake 2851score 100
Multifamily Housing · 165,325 sq ft
- Tops K-8 (Sps-District)score 70
K-12 School · 95,501 sq ft
- Pacific Pointe Apts/Retailscore —
Multifamily Housing · 93,079 sq ft
- 2701 Eastlakescore 97
Office · 91,551 sq ft
See also: most efficient in Seattle · biggest emitters
How does Eastlake Center (South) compare with other office buildings in Seattle?
The latest disclosures cover 497 office buildings in Seattle, out of 3,871 buildings citywide. Eastlake Center (South)'s ENERGY STAR score of 68 compares with an average of 76 across the 378 that report a score; it scores higher than 24% of them and lower than 74%. Its site EUI of 47.6 kBtu/ft² is roughly in line with the average of 44.8 kBtu/ft². Its emissions intensity of 0.3 kgCO₂e/ft² is about 61% below the group average of 0.7 kgCO₂e/ft².
At 76,245 sq ft, it is about 61% below the average floor area of 196,452 sq ft for those buildings. It was built in 1989, 24 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 Eastlake Center (South)'s energy performance changed over time?
BuildingCensus holds 7 Seattle disclosures for Eastlake Center (South), covering report years 2019–2025. Its ENERGY STAR score went from 60 in 2020 to 68 in 2025 (+8 points); its best year on file was 2024, at 71. Site EUI moved from 52.7 kBtu/ft² (2020) to 47.6 kBtu/ft² (2025), a 10% decrease. Reported emissions went from 13 tCO₂e to 11 tCO₂e over the same span (down 11%).
What does an ENERGY STAR score of 68 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 68 means the building performs better than about 68% of its national peers. BuildingCensus bands the score into report-card grades; 68 falls in band C — below median (55–69). It sits 7 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. Eastlake Center (South)'s 47.6 kBtu/ft² across 76,245 sq ft works out to about 3.6 billion Btu (1,064 MWh-equivalent) in 2025. Its source EUI of 133.3 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 573,864 kWh of electricity for the year.
Which law requires Eastlake Center (South) to report its energy use?
Eastlake Center (South) 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:20835:2025). 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
- Scripps Building - 221 First Avenue West· 76,213 sq ft · score 69 (C)
- Leschi Lake Center· 75,868 sq ft · EUI 47.8 kBtu/ft²
- Palmer Bldg· 75,600 sq ft · score 85 (A)
- Interurban Building (Old Smith Tower Annex Building)· 75,496 sq ft · score 86 (A)
- Provident Building· 75,288 sq ft · score 87 (A)
- NORTHGATE EXECUTIVE CENTER B· 74,880 sq ft · score 42 (D)
- 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 Eastlake Center (South)'s energy grade?
Eastlake Center (South) scores 68 out of 100 on ENERGY STAR — band C, below median (55–69) — in its 2025 Seattle disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Eastlake Center (South) use?
Its 2025 site energy-use intensity was 47.6 kBtu/ft² (133.3 kBtu/ft² source) across 76,245 sq ft, including 573,864 kWh of electricity.
What are Eastlake Center (South)'s carbon emissions?
Eastlake Center (South) reported 11 tCO₂e of greenhouse-gas emissions (0.3 kgCO₂e/ft²) for 2025.
Where is Eastlake Center (South)?
Eastlake Center (South) is at 2815 EASTLAKE AVE E, in Seattle, Washington 98102. Its coordinates are 47.64596, -122.32628 (latitude, longitude), as published in the Building Energy Benchmarking file.
How big is Eastlake Center (South) and when was it built?
Eastlake Center (South) has 76,245 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 1989 as its year built. It is classed as office.
Is Eastlake Center (South) 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, “Eastlake Center (South), Seattle, Washington — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/seattle/eastlake-center-south-9c31fba8 (data as of October 2, 2026).