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Home→Tools→Trustee Duties Checklist→Washington→King County

What Are My Duties as Trustee in King County, Washington?

Step-by-step guide for administering a trust after the grantor passes away. Answer a few questions to get a personalized checklist for your situation.

Frequently Asked Questions

Probate filings for King County go through the Superior Court at 516 3rd Ave, Rm C-203, Seattle, WA 98104-2361. Main phone: 206-477-1400. Court hours: Monday - Friday, 8:30 AM - 12:00 PM, 1:00 PM - 4:00 PM.

King County offers e-filing for probate matters. King County uses KC Script Portal (not eFileWA). One of only two counties with a separate e-filing system.

Uses KC Script Portal for e-filing (not eFileWA): King County is one of only two counties with a separate e-filing system. Uses KC Script Portal instead of the statewide eFileWA system. eServices team: 206-477-3000 or eservices@kingcounty.gov. Dedicated Ex Parte and Probate Department: King County operates a dedicated Ex Parte and Probate Department within Superior Court. Probate hearings require 14 days advance notice per LCR 98.04. Working copies due 7 days before hearing. Response documents due 4 judicial days before hearing.

Washington allows small estate procedures for estates under $100,000. The waiting period is 40 days.

Immediate priorities for a successor trustee in Washington include obtaining certified death certificates, locating the original trust document, securing trust assets, and notifying beneficiaries. An EIN is required since the trust becomes irrevocable after the grantor's death.

Washington requires successor trustees to notify beneficiaries within 60 days of the grantor's death. Written notice is required. This notice must include the trustee's identity and information about the beneficiary's interest.

What Are Trustee Duties in King County, Washington?

As a successor trustee in King County, you'll manage the trust privately without court involvement. However, you may need to file any pour-over will with the Superior Court.

Probate filings for King County go through the Superior Court at 516 3rd Ave, Rm C-203, Seattle, WA 98104-2361. Phone: 206-477-1400.

King County offers e-filing for probate proceedings. King County uses KC Script Portal (not eFileWA). One of only two counties with a separate e-filing system.

King County doesn't have a dedicated probate self-help center, so confirm forms, copies, and appointment requirements with the court clerk.

Uses KC Script Portal for e-filing (not eFileWA): King County is one of only two counties with a separate e-filing system. Uses KC Script Portal instead of the statewide eFileWA system. eServices team: 206-477-3000 or eservices@kingcounty.gov. Dedicated Ex Parte and Probate Department: King County operates a dedicated Ex Parte and Probate Department within Superior Court. Probate hearings require 14 days advance notice per LCR 98.04. Working copies due 7 days before hearing. Response documents due 4 judicial days before hearing.

Washington law requires you to notify qualified beneficiaries of your trusteeship. This notice typically must be sent within 60 days of the grantor's death and include your contact information.

Trust administration is private and generally faster than probate. You'll obtain an EIN for the trust, manage assets, and distribute them according to the trust terms.

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Washington Estate Planning Resources

In-depth guides covering Washington probate laws, trust requirements, and estate planning strategies.

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Named as Trustee

Named as Trustee

Being named trustee means managing trust assets and carrying out the grantor's wishes. Your duties, timeline, compensation, and how to get started.

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