At a glance
King Street Center - King County is a 446,261-square-foot office building at 201 S JACKSON ST in Seattle, Washington, built in 1998. In its 2025 Seattle benchmarking disclosure it reported a site energy-use intensity of 46.2 kBtu/ft² and 86 tCO₂e of greenhouse-gas emissions.
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 46.2 kBtu/ft² |
| Source EUI | 129.4 kBtu/ft² |
| GHG emissions | 86 tCO₂e |
| GHG intensity | 0.3 kgCO₂e/ft² |
| Electricity | 4,354,099 kWh |
| Gross floor area | 446,261 sq ft |
| Source record | seattle:780:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 46.2 kBtu/ft² | 86 tCO₂e | |
| 2024 | — | 42.8 kBtu/ft² | 80 tCO₂e | |
| 2023 | 94 | ±0 | 37.1 kBtu/ft² | 69 tCO₂e |
| 2022 | 94 | ±0 | 38.1 kBtu/ft² | 71 tCO₂e |
| 2021 | 94 | -2 | 36.4 kBtu/ft² | 68 tCO₂e |
| 2020 | 96 | +3 | 31.2 kBtu/ft² | 62 tCO₂e |
| 2019 | 93 | -1 | 35.6 kBtu/ft² | 71 tCO₂e |
| 2018 | 94 | +3 | 34.8 kBtu/ft² | 69 tCO₂e |
| 2017 | 91 | -5 | 37.1 kBtu/ft² | 74 tCO₂e |
| 2016 | 96 | ±0 | 39.5 kBtu/ft² | 79 tCO₂e |
| 2015 | 96 | 40.6 kBtu/ft² | 81 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
- 201 S JACKSON ST
- City
- Seattle
- State
- Washington
- ZIP
- 98104
- Coordinates
- 47.59878, -122.33088
Within ~1 km
Nearby benchmarked buildings
- Columbia Centerscore 90
Office · 1,952,220 sq ft
Hospital (General Medical & Surgical) · 1,926,841 sq ft
- Centurylink Field-Stadiumscore —
Stadium (Open) · 1,913,640 sq ft
- Seattle Municipal Towerscore 86
Office · 1,354,987 sq ft
- 999 Third Avescore 88
Office · 1,323,055 sq ft
- Harbor Steps Ne Sitescore 81
Multifamily Housing · 1,256,335 sq ft
See also: most efficient in Seattle · biggest emitters
How does King Street Center - King County compare with other office buildings in Seattle?
The latest disclosures cover 497 office buildings in Seattle, out of 3,871 buildings citywide. Its site EUI of 46.2 kBtu/ft² is roughly in line with the average of 44.8 kBtu/ft². Its emissions intensity of 0.3 kgCO₂e/ft² is about 61% below the group average of 0.7 kgCO₂e/ft².
At 446,261 sq ft, it is about 127% above the average floor area of 196,452 sq ft for those buildings. It was built in 1998, 33 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 King Street Center - King County's energy performance changed over time?
BuildingCensus holds 11 Seattle disclosures for King Street Center - King County, covering report years 2015–2025. Its ENERGY STAR score went from 96 in 2015 to 94 in 2023 (-2 points); its best year on file was 2015, at 96. Site EUI moved from 40.6 kBtu/ft² (2015) to 46.2 kBtu/ft² (2025), an 14% increase. Reported emissions went from 81 tCO₂e to 86 tCO₂e over the same span (up 7%).
What does a site EUI of 46.2 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. King Street Center - King County's 46.2 kBtu/ft² across 446,261 sq ft works out to about 20.6 billion Btu (6,042 MWh-equivalent) in 2025. Its source EUI of 129.4 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 4,354,099 kWh of electricity for the year.
Which law requires King Street Center - King County to report its energy use?
King Street Center - King County 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:780:2025). 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
- 505 First Avenue Building· 443,509 sq ft · EUI 37.7 kBtu/ft²
- City Place Iii (Obidos/Rufus)· 438,093 sq ft · EUI 50.2 kBtu/ft²
- Hill 7 Office Bldg· 431,326 sq ft · score 91 (A)
- Urban Union (Amelia- Amazon Bldg)· 422,272 sq ft · score 90 (A)
- Metropolitan Park I (West) Office Bldg· 413,715 sq ft · EUI 27.8 kBtu/ft²
- Fifth & Yesler Bldg.· 413,264 sq ft · score 55 (C)
- 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 King Street Center - King County's energy grade?
King Street Center - King County did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 46.2 kBtu/ft².
How much energy does King Street Center - King County use?
Its 2025 site energy-use intensity was 46.2 kBtu/ft² (129.4 kBtu/ft² source) across 446,261 sq ft, including 4,354,099 kWh of electricity.
What are King Street Center - King County's carbon emissions?
King Street Center - King County reported 86 tCO₂e of greenhouse-gas emissions (0.3 kgCO₂e/ft²) for 2025.
Where is King Street Center - King County?
King Street Center - King County is at 201 S JACKSON ST, in Seattle, Washington 98104. Its coordinates are 47.59878, -122.33088 (latitude, longitude), as published in the Building Energy Benchmarking file.
How big is King Street Center - King County and when was it built?
King Street Center - King County has 446,261 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 1998 as its year built. It is classed as office.
Is King Street Center - King County 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, “King Street Center - King County, Seattle, Washington — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/seattle/king-street-center-king-county-1da26894 (data as of October 2, 2026).