Washington, King County
Where Mercer Island's records are kept. Mercer Island has its own public library; county and state offices keep its other public records.
Start here
The cards below include Mercer Island's own offices, along with State of Washington offices; the King County offices are on our King County page. Use the category buttons to narrow the list.
Police & jail
Washington State Department of Corrections Mailing Address: Post Office Box 41100, Mail Stop 41100 Olympia, Washington 98504-1100 Physical Address: 7345 Linderson Way SW Tumwater, WA 98501-6504
Open official site Find An Offender StatewideState records
A division of the Office of the Secretary of State that preserves Washington's public records, offering online records, an archives catalog, Ask an Archivist help and five regional branches.
Open official site Washington State ArchivesCounty court
Hears bankruptcy cases from Washington west of the Cascades, between the Oregon line and Canada, at courthouses in Seattle and Tacoma; links cover PACER case lookup, proof of claim filing and document copies.
Open official site U.S. Bankruptcy Court for the Western District of WashingtonVital records
The Center for Health Statistics issues certified Washington birth, death, stillbirth, marriage and divorce certificates; online orders go through VitalChek, its only approved vendor, and office visits are by appointment.
Open official site Washington State Department of Health Vital RecordsPolice & jail
Department of Corrections search of people now incarcerated or wanted for arrest by the department, plus Washington's wanted list and a tips form; you must accept its terms before searching.
Open official site Washington Department of Corrections Incarcerated Data SearchPolice & jail
Posts active alerts and lists of missing children, Indigenous people and other missing persons, takes tips on a 24 hour toll free line and helps families once local police have a report.
Open official site Washington State Patrol Missing and Unidentified Persons UnitPolice & jail
Washington State Patrol list of wanted people with downloadable posters; do not contact anyone shown, since they may be armed, and call 911 or the agency listed with each person.
Open official site Washington State Patrol Most WantedPolice & jail
The Washington Association of Sheriffs and Police Chiefs explains state registration rules and risk levels and links the public registry at wasor.org, which shows Level II and III offenders and some Level I.
Open official site WASPC Registered Sex Offender InformationPolice & jail
WSP sells conviction records: an instant WATCH search online for $11, or mail requests by name for $32 or by fingerprints for $58; public results show convictions and recent arrests still pending.
Open official site Washington State Patrol Criminal History RecordsFederal
Census Bureau QuickFacts entry for the city of Mercer Island, Washington with its 2020 Census population of 25,748, the most recent population estimate, and figures from the American Community Survey and Economic Census.
Open official site U.S. Census Bureau QuickFactsProperty records
Mercer Island city government at 9611 SE 36th Street, with a notice on reaching city services during the City Hall closure, council meetings, events, police, fire and the thrift shop.
Open official site City of Mercer IslandState records
Reference materials and research assistance 4400 88th Ave SE Mercer Island, WA 98040 Phone: (206) 236-3537
Open official site Mercer Island LibraryEverything else, organized
8 more Mercer Island sources not listed above.
Local record guide
Local profile
Mercer Island, a place of 25,748 people, is in King County, whose county seat is Seattle. Court and property records sit with King County, and birth and death certificates come from the State of Washington. Mercer Island's own offices are in the cards above, and our King County page lists each county office.
Straight answers
Open only the answer you need.
Voter registration in Washington is run by the Washington Secretary of State and local election officials. Its site lists the registration deadline, online voter registration, polling places and the local election office for Mercer Island.
Deeds for property in Mercer Island are recorded by the King County Auditor, and the county office that assesses property keeps the tax values. Our King County page lists the county offices.
Certified birth and death certificates for events in Washington come from the state vital records office, Washington Center for Health Statistics. Its site lists who may order a copy, the fee and how to order.
Businesses that operate in Mercer Island register with the Washington Secretary of State, which runs the state business entity search. A local business license, where Mercer Island requires one, comes from the town or King County.
Same county
Use the city page when a record was created by a municipal police department or city office; use the county page for courts, deeds, vital records and jail custody.