Filing County Determination

Recently updated on December 22nd, 2025 at 10:38 am

In Washington there are 39 Counties

• Each county becomes a district for a court to oversee cases that have been brought in front of them.
• Legally a the parties in a case should be filing in the county of their residence or where they have fled from for security reasons.
  * This rule is not always strictly enforced by the courts.

Sub Locations and Filing

• King County is the largest county and because of that, they have two sub-locations.
  • These are broken down into Kent and Seattle.
  • This is done by zip codes to the addresses provided by the party.

• Sub-Location at this time only applies to King County.
• You will see sometimes Sub-Locations referred to as Designations.

Zip Code and County Determination Assistance

• You can utilize Google or Google Maps to determine the accurate zip code or county that you can file in.
• For further assistance with zip codes you can reference to the chart below as well.

Kent

98001, 98002, 98003, 98006, 98010, 98022, 98023, 98027, 98030, 98031, 98032, 98038, 98042, 98045, 98047, 98051, 98055, 98056, 98057, 98058, 98059, 98070, 98146, 98148, 98158, 98166, 98168, 98178, 98188, 98189.

Just for reference: Here are the King county zip codes

98001, 98002, 98003, 98004, 98005, 98006, 98007, 98008, 98009, 98010, 98011, 98013, 98014, 98015, 98019, 98022, 98023, 98024, 98025, 98027, 98028, 98029, 98030, 98031, 98032, 98033, 98034, 98035, 98038, 98039, 98040, 98041, 98042, 98045, 98047, 98050, 98051, 98052, 98053, 98054, 98055, 98056, 98057, 98058, 98059, 98062, 98063, 98064, 98065, 98070, 98071, 98072, 98073, 98074, 98075, 98077, 98083, 98089, 98092, 98093, 98101, 98102, 98103, 98104, 98105, 98106, 98107, 98108, 98109, 98111, 98112, 98113, 98114, 98115, 98116, 98117, 98118, 98119, 98121, 98122, 98124, 98125, 98126, 98127, 98129, 98131, 98132, 98133, 98134, 98136, 98138, 98139, 98141, 98144, 98145, 98146, 98148,98151, 98154, 98155, 98158, 98160, 98161, 98164, 98165, 98166, 98168, 98170, 98171, 98174, 98175, 98177, 98178, 98181, 98184, 98185, 98188, 98190, 98191, 98194, 98195, 98198, 98199, 98224, 98288.