At a glance
City Place Iv (Ruby/Dawson) is a 571,329-square-foot office building at 301 BOREN AVE N in Seattle, Washington, built in 2010. In its 2025 Seattle benchmarking disclosure it reported an ENERGY STAR score of 92 out of 100 (grade A), a site energy-use intensity of 46.2 kBtu/ft² and 317 tCO₂e of greenhouse-gas emissions. That score is higher than 76% 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 | 92 (band A) |
| Site EUI | 46.2 kBtu/ft² |
| Source EUI | 120.5 kBtu/ft² |
| GHG emissions | 317 tCO₂e |
| GHG intensity | 0.5 kgCO₂e/ft² |
| Electricity | 7,534,854 kWh |
| Natural gas | 31,742 therms |
| Gross floor area | 571,329 sq ft |
| Source record | seattle:107:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 92 | +2 | 46.2 kBtu/ft² | 317 tCO₂e |
| 2024 | 90 | -1 | 47.9 kBtu/ft² | 286 tCO₂e |
| 2023 | 91 | +2 | 53.4 kBtu/ft² | 333 tCO₂e |
| 2022 | 89 | +5 | 62.0 kBtu/ft² | 364 tCO₂e |
| 2021 | 84 | 45.4 kBtu/ft² | 197 tCO₂e | |
| 2020 | — | — | — | |
| 2019 | 88 | ±0 | 59.2 kBtu/ft² | 520 tCO₂e |
| 2018 | 88 | +3 | 60.2 kBtu/ft² | 544 tCO₂e |
| 2017 | 85 | -6 | 62.5 kBtu/ft² | 569 tCO₂e |
| 2016 | 91 | +2 | 63.4 kBtu/ft² | 579 tCO₂e |
| 2015 | 89 | 66.8 kBtu/ft² | 596 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
- 301 BOREN AVE N
- City
- Seattle
- State
- Washington
- ZIP
- 98109
- Coordinates
- 47.62112, -122.33629
Within ~1 km
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See also: most efficient in Seattle · biggest emitters
How does City Place Iv (Ruby/Dawson) compare with other office buildings in Seattle?
The latest disclosures cover 497 office buildings in Seattle, out of 3,871 buildings citywide. City Place Iv (Ruby/Dawson)'s ENERGY STAR score of 92 compares with an average of 76 across the 378 that report a score; it scores higher than 76% of them and lower than 21%. Its site EUI of 46.2 kBtu/ft² is roughly in line with the average of 44.8 kBtu/ft². Its emissions intensity of 0.5 kgCO₂e/ft² is about 27% below the group average of 0.7 kgCO₂e/ft².
At 571,329 sq ft, it is about 191% above the average floor area of 196,452 sq ft for those buildings. It was built in 2010, 45 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 City Place Iv (Ruby/Dawson)'s energy performance changed over time?
BuildingCensus holds 11 Seattle disclosures for City Place Iv (Ruby/Dawson), covering report years 2015–2025. Its ENERGY STAR score went from 89 in 2015 to 92 in 2025 (+3 points). Site EUI moved from 66.8 kBtu/ft² (2015) to 46.2 kBtu/ft² (2025), a 31% decrease. Reported emissions went from 596 tCO₂e to 317 tCO₂e over the same span (down 47%).
What does an ENERGY STAR score of 92 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 92 means the building performs better than about 92% of its national peers. BuildingCensus bands the score into report-card grades; 92 falls in band A — high performer (85–100). Scores of 75 or higher meet the threshold for ENERGY STAR certification; certification itself is a separate, verified application that the disclosure does not record. 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. City Place Iv (Ruby/Dawson)'s 46.2 kBtu/ft² across 571,329 sq ft works out to about 26.4 billion Btu (7,736 MWh-equivalent) in 2025. Its source EUI of 120.5 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 7,534,854 kWh of electricity and 31,742 therms of natural gas for the year.
Which law requires City Place Iv (Ruby/Dawson) to report its energy use?
City Place Iv (Ruby/Dawson) 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:107:2025). 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
- Fhcrc - Arnold Bldg· 560,516 sq ft · score 69 (C)
- Amazon Block 18· 556,007 sq ft · score 96 (A)
- Puget Sound Plaza· 552,176 sq ft · score 66 (C)
- Fourth & Blanchard Building· 543,876 sq ft · score 78 (B)
- One Convention Place· 538,933 sq ft · score 84 (B)
- 400 Fairview Office Bldg· 536,697 sq ft · score 92 (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 City Place Iv (Ruby/Dawson)'s energy grade?
City Place Iv (Ruby/Dawson) scores 92 out of 100 on ENERGY STAR — band A, high performer (85–100) — in its 2025 Seattle disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does City Place Iv (Ruby/Dawson) use?
Its 2025 site energy-use intensity was 46.2 kBtu/ft² (120.5 kBtu/ft² source) across 571,329 sq ft, including 7,534,854 kWh of electricity and 31,742 therms of natural gas.
What are City Place Iv (Ruby/Dawson)'s carbon emissions?
City Place Iv (Ruby/Dawson) reported 317 tCO₂e of greenhouse-gas emissions (0.5 kgCO₂e/ft²) for 2025.
Where is City Place Iv (Ruby/Dawson)?
City Place Iv (Ruby/Dawson) is at 301 BOREN AVE N, in Seattle, Washington 98109. Its coordinates are 47.62112, -122.33629 (latitude, longitude), as published in the Building Energy Benchmarking file.
How big is City Place Iv (Ruby/Dawson) and when was it built?
City Place Iv (Ruby/Dawson) has 571,329 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 2010 as its year built. It is classed as office.
Is City Place Iv (Ruby/Dawson) 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, “City Place Iv (Ruby/Dawson), Seattle, Washington — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/seattle/city-place-iv-ruby-dawson-ea31ce19 (data as of October 2, 2026).