Microfiche Case Number Indexes
Some pre 1979 case number indexes are available for viewing here
For cases prior to 1979 there are limited microfiche available to search online. Additional microfiche is available at the King County Superior Court Clerk's office located at 516 Third Avenue, Room E609, Seattle WA 98104.
Did you know? By researching your case number yourself instead of having a clerk search for you, you will save a minimum of $30 in research fees.
For cases filed July 1979 to present please search courts.wa.gov.
Minimum information is needed to make your search successful.
- Case Type (Civil, Criminal, Domestic, General Defendant, General Plaintiff, Name Changes, Probate)
- Party Names (John Smith, Jane Smith)
- Approximate year of filing (1932, please note a case may have been filed in a year or more prior to any orders signed. If you were searching for a Domestic case aka divorce and it was finalized in 1968 it may have been filed in 1967 or earlier. Checking multiple years before and after increases your success)
Click the below to expand a category.