At a glance
SIXTH & KING ASSOCIATES is a 21,600-square-foot office building at 601 S KING ST in Seattle, Washington, built in 1993. It is listed in the 2024 Building Energy Benchmarking disclosure without energy figures: no ENERGY STAR score, energy use or emissions were published for it that year. Its most recent reported figures are from 2021, with a site EUI of 58.3 kBtu/ft².
No energy data reported for 2024
SIXTH & KING ASSOCIATES appears in the 2024 Building Energy Benchmarking disclosure, but no ENERGY STAR score, energy use or emissions were published for it — the building did not report benchmarking data for that year. Earlier reported years are in the table below.
Floor area on file: 21,600 sq ft · Built 1993
Source record seattle:26833:2024
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | — | — | |
| 2023 | — | — | — | |
| 2022 | — | — | 4 tCO₂e | |
| 2021 | — | 58.3 kBtu/ft² | 30 tCO₂e | |
| 2020 | — | 39.8 kBtu/ft² | 26 tCO₂e | |
| 2019 | — | 63.6 kBtu/ft² | 35 tCO₂e | |
| 2018 | — | 73.6 kBtu/ft² | 38 tCO₂e | |
| 2017 | — | 76.1 kBtu/ft² | 39 tCO₂e | |
| 2016 | — | 71.3 kBtu/ft² | 31 tCO₂e | |
| 2015 | — | 77.4 kBtu/ft² | 39 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
- 601 S KING ST
- City
- Seattle
- State
- Washington
- ZIP
- 98104
- Coordinates
- 47.59819, -122.32599
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
Office · 1,249,055 sq ft
- T-Mobile Park (Safeco Field)score —
Other - Entertainment/Public Assembly · 1,172,127 sq ft
See also: most efficient in Seattle · biggest emitters
How has SIXTH & KING ASSOCIATES's energy performance changed over time?
BuildingCensus holds 10 Seattle disclosures for SIXTH & KING ASSOCIATES, covering report years 2015–2024. Site EUI moved from 77.4 kBtu/ft² (2015) to 58.3 kBtu/ft² (2021), a 25% decrease. Reported emissions went from 39 tCO₂e to 4 tCO₂e over the same span (down 89%).
Which law requires SIXTH & KING ASSOCIATES to report its energy use?
SIXTH & KING ASSOCIATES 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 2024 disclosure (source record seattle:26833:2024). 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
- 4000 Aurora Building· 21,436 sq ft · score 97 (A)
- Csc Engineering (A)· 21,315 sq ft · score 57 (C)
- SWEDISH HOSPITAL MEDICAL CENTER Invex· 21,282 sq ft · score 96 (A)
- East Pike Building· 21,228 sq ft · EUI 29.4 kBtu/ft²
- OFFICE-SPRAG- inactive demolished· 21,183 sq ft · score 100 (A)
- SPACE NEEDLE CORPORATE OFFICE- WILL BE DEMO'D· 21,128 sq ft · score 95 (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 SIXTH & KING ASSOCIATES's energy grade?
SIXTH & KING ASSOCIATES has no grade: it did not report energy data for 2024. The 2024 Building Energy Benchmarking disclosure lists the building but publishes no ENERGY STAR score, energy use or emissions for it.
Where is SIXTH & KING ASSOCIATES?
SIXTH & KING ASSOCIATES is at 601 S KING ST, in Seattle, Washington 98104. Its coordinates are 47.59819, -122.32599 (latitude, longitude), as published in the Building Energy Benchmarking file.
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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, “SIXTH & KING ASSOCIATES, Seattle, Washington — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/seattle/sixth-king-associates-beb7ad51 (data as of October 2, 2026).