King County, Washington Probate Court

Kent, Washington 98030


This page will provide you with links to


1. Where do I file a petition for probate in King County, Washington?

In the Washington Court system, probate is handled by the "Superior Courts"

King County Superior Court


Website Link


Courtroom W-325
516 3rd Ave., Mail Stop C-203
Seattle, WA 98104



Directory of all Washington Probate Courts

Washington Probate Court Locator

2. What's the phone number for the probate court for King County, WA?:

4. Where Can I Find Probate Forms for King County, Washington?


Washington Probate Forms, for use in all of Washington

Washington Probate Forms


Additional Local Probate Forms specifcally for King County court

King County Probate Forms:

5. How much does it cost to file a petition for probate in King County, Washington?

Click the links below.

Washington Probate Fees URL

King County Probate Fees Page

$260.00  Adoption Filing RCW 36.18.020(2,5); RCW 36.18.016(16)
 $240.00 Guardianship Filing (There is no fee on cases with assets less than $3,000 when a Court Order so states) RCW 36.18.020(2,5); RCW 11.88.030(3)
 $5.00 Letters of Administration, Testamentary, or Guardianship; Form K  RCW 36.18.016(9)
 $240.00 Notice to Creditors (Non-Probate) RCW 36.18.020(2,5)
 $240.00 Petition Admitting Rejected Will, or Contesting Will, or Objecting to a Written Agreement or Memorandum  RCW 36.18.020(2,5)
 $240.00 Probate Filing RCW 36.18.020(2,5)
$240.00  Counterclaim, Cross-Claim or Third-Party Claim RCW 36.18.020(2,5)
$240.00  Counter Petition, Cross-Claim or Third-Party Claim RCW 36.18.020(2,5)
 $240.00 Registration of Trust  RCW 36.18.020(2,5)
 $20.00 Certification of Trust KCC 4A.630.040
 $20.00 TEDRA Non-Judicial Binding Agreement, in an existing case  RCW 36.18.012(8)
 $240.00 TEDRA Non-Judicial Binding Agreement, filed as a new case  RCW 36.18.020(2,5)
 $240.00 TEDRA Summons and Petition  RCW 36.18.020(2,5)
 $20.00 Will Filing only - No Probate of Decedent's Estate  RCW 36.18.012(7)
 $20.00 Will Repository 

RCW 36.18.016(28)

Trust Account Service Fees

   Settlements, Tender, Bonds, Garnishments, Judgments, Interpleader:

On each payment of $25.01 and over

KCC 4A.630.120(B)(2)
   Exceptions to Trust Account Service Fees:  

A payment of $25.00 or less


Fee waived by the Clerk on the basis of a Hardship Affidavit on file

Applications are available at the Clerk's Financial Services counters

Fee waived by the Court

Requires a Court Order

6. What's the URL for the State or County land records office?

In order to transfer ownership of real property after someone dies, you need to find the last recorded property deed. A county land records office is the place to research and request such deeds.


State Land Records Office


County Land Records Office


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