The King County Administration Building is a nine-story

office building An office is a space where the employees of an organization perform administrative work in order to support and realize the various goals of the organization. The word "office" may also denote a position within an organization with specific du ...

Seattle Seattle ( ) is the most populous city in the U.S. state of Washington and in the Pacific Northwest region of North America. With a population of 780,995 in 2024, it is the 18th-most populous city in the United States. The city is the cou ...

, the seat of

King County King County is a county located in the U.S. state of Washington. The population was 2,269,675 in the 2020 census, making it the most populous county in Washington, and the 12th-most populous in the United States. The county seat is Seattle ...

Washington Washington most commonly refers to: * George Washington (1732–1799), the first president of the United States * Washington (state), a state in the Pacific Northwest of the United States * Washington, D.C., the capital of the United States ** A ...

, United States. Completed in 1971, the building is located at 500 Fourth Avenue, in between Jefferson Street and James Street, and

parking Parking is the act of stopping and disengaging a vehicle and usually leaving it unoccupied. Parking on one or both sides of a road is often permitted, though sometimes with restrictions. Some buildings have parking facilities for use of the bu ...

is available in

parking garage A multistorey car park (Commonwealth English) or parking garage (American English), also called a multistorey, parking building, parking structure, parkade (Canadian), parking ramp, parking deck, or indoor parking, is a building designed fo ...

s on all surrounding streets. Designed by the Harmon, Pray and Detrich architectural firm, it features a unique

hexagon In geometry, a hexagon (from Greek , , meaning "six", and , , meaning "corner, angle") is a six-sided polygon. The total of the internal angles of any simple (non-self-intersecting) hexagon is 720°. Regular hexagon A regular hexagon is de ...

al,

honeycomb A honeycomb is a mass of Triangular prismatic honeycomb#Hexagonal prismatic honeycomb, hexagonal prismatic cells built from beeswax by honey bees in their beehive, nests to contain their brood (eggs, larvae, and pupae) and stores of honey and pol ...

theme in its walls and windows. The

plaza A town square (or public square, urban square, city square or simply square), also called a plaza or piazza, is an open public space commonly found in the heart of a traditional town or city, and which is used for community gatherings. Rela ...

surrounding the building was the site of a five-month

protest A protest (also called a demonstration, remonstration, or remonstrance) is a public act of objection, disapproval or dissent against political advantage. Protests can be thought of as acts of cooperation in which numerous people cooperate ...

homeless people Homelessness, also known as houselessness or being unhoused or unsheltered, is the condition of lacking stable, safe, and functional housing. It includes living on the streets, moving between temporary accommodation with family or friends, liv ...

opposed to funding cuts for a homeless

non-profit organization A nonprofit organization (NPO), also known as a nonbusiness entity, nonprofit institution, not-for-profit organization, or simply a nonprofit, is a non-governmental (private) legal entity organized and operated for a collective, public, or so ...

in 2016. The building was rendered mostly vacant in 2020 as the county government adopted

remote work Remote work (also called telecommuting, telework, work from or at home, WFH as an initialism, hybrid work, and other terms) is the practice of work (human activity), working at or from one's home or Third place, another space rather than from ...

for most of its employees during the

COVID-19 pandemic The COVID-19 pandemic (also known as the coronavirus pandemic and COVID pandemic), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), began with an disease outbreak, outbreak of COVID-19 in Wuhan, China, in December ...

. With increasing maintenance costs and significant renovation work needed, the county ultimately announced in April 2022 that it would fully vacate and shutter the building by the end of the year despite having no plans for the building's future. A proposal to demolish the building as part of a civic campus redevelopment program was announced by County Executive

Dow Constantine James Dow Constantine (born November 15, 1961) is an American lawyer, urban planner, and politician who is the chief executive officer of Sound Transit. He was appointed in 2025 after resigning as county executive of King County, Washington, a p ...

in 2023.

Agencies

Several agencies were located in the Administration Building, including: * Archives and Records Management * Assessor's Office * Facilities Management * Marriage Licensing * Recorder's Office * Vehicle Licensing * Prosecuting Attorney * King County Sheriff's Office Criminal Investigation Division

Notes

Government buildings in Seattle County government buildings in Washington (state) Government buildings completed in 1971 1970s architecture in the United States Buildings and structures in Downtown Seattle 1971 establishments in Washington (state) {{Washington-struct-stub