Serves Pierce, King, and Thurston counties from offices in Tacoma, Seattle, and Olympia. Represents personal representatives in formal and summary probate and in estate and trust administration, and represents beneficiaries in will contests, undue influence claims, and trust litigation, including challenges to the actions of an executor or trustee. Also handles guardianships.
Kent is in King County.
More Guardianship Firms in King County
Multi-state firm with Washington offices in Seattle, University Place, Olympia, Spokane, Richland, Kennewick, and Dayton. Guides personal representatives through probate and estate administration, from gathering assets and paying debts to transferring ownership, and handles elder law matters including Medicaid planning and guardianship. Consultations are available by phone or video.
Lynnwood firm with a second office in Bellevue, serving King and Snohomish counties and clients across Washington. Handles probate and estate administration with or without a will, from court filings and federal estate tax returns through closing, and assists trustees with trust administration. Also handles guardianships, special needs trusts, and Medicaid planning.
Seattle firm focused on estate planning, probate, trust administration, and trust and estate disputes. Assists executors, personal representatives, and trustees with administration, including federal and state estate tax returns, and handles will contests, claims against fiduciaries, trust interpretation suits, and contested guardianships.
Seattle firm founded in 2007 focused on estate planning, probate, trust administration, and guardianship. Helps families through formal probate, small estate affidavits, and trust administration, and offers collaborative representation, mediation, and conflict coaching for probate and trust disputes. Work begins with a free 30-minute consultation.
Downtown Seattle firm, founded in 1897, whose estate group assists personal representatives and trustees from opening probate through asset collection and inventory, creditor claims, gift and estate tax returns, and closing the estate. Its trust and estate litigation team handles will and trust contests, breach of fiduciary duty and removal claims, and heirship disputes, and the firm also represents guardians and conservators.
Probate in King County
Probate Court Record
King County Superior Court
King County
Phone
Hours
Monday-Friday 8:30 AM-noon and 1:00 PM-4:00 PM
Office
516 3rd Avenue, Room C-203, Seattle, WA 98104-2361
Website
E-filing
Filing in person
Walk-ins accepted
Self-represented filing
Allowed
How to file probate in King County →
Verified October 15, 2026 · Source
Do I need a lawyer for probate in King County? →Settling an estate in King County →
Forms for Planning and Settling an Estate in Washington
Free Washington forms to plan or settle an estate: a will, trust, powers of attorney, TOD deed and the probate forms. Prepare each form for Washington.
Free
Last Will and Testament
In Washington, a will is signed before 2RCW 11.12.020Verified Oct 19, 2026View source witnesses, and a self-proving affidavit signed with it lets the court admit it without witness testimonyRCW 11.12.020Verified Oct 19, 2026View source.
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Free
Healthcare Power of Attorney
Washington allows a choice for a healthcare power of attorney: 2RCW 11.125.050; RCW 11.125.400; RCW 70.122.030; RCW 7.70.065Verified Oct 15, 2026View source witnesses or a notary.
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Free
Financial Power of Attorney
Washington requires explicit durability language for a power of attorney to survive incapacityRCW § 11.125.050Verified Oct 21, 2026View source, and it is signed before 2RCW § 11.125.050Verified Oct 21, 2026View source witnesses or a notary.
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Tools for Planning and Settling an Estate in Washington
Free calculators and checklists to plan or settle an estate in Washington: will and trust costs, probate, executor pay and taxes. Run each tool for Washington.
How Much Life Insurance Do I Need?
In Washington, four years at a public university cost about $91,896NCES Digest of Education Statistics 2023, Table 330.20, public 4-year in-state tuition, fees, room and board, academic year 2022-23Verified Oct 17, 2026View source and the cost of living is 7% above the U.S. averageBEA Regional Price Parities, all items, by state, 2024Verified Oct 17, 2026View source; the state levies an estate taxRCW 83.100.020(1)(a)(x), 83.100.040(2)(a)(iii); ESB 6347 (Ch. 209, Laws of 2026)Verified Sep 15, 2026View source above $3,000,000RCW 83.100.020(1)(a)(x), 83.100.040(2)(a)(iii); ESB 6347 (Ch. 209, Laws of 2026)Verified Sep 15, 2026View source.
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What Does Estate Planning Actually Cost?
An attorney-prepared revocable trust in Washington runs $3,400Estimate: 10 hours at $340, Clio's Washington Trusts rate; Compare Lawyer Rates, 2025 dataVerified Oct 15, 2026View source to $5,100Estimate: 15 hours at $340, Clio's Washington Trusts rate; Compare Lawyer Rates, 2025 dataVerified Oct 15, 2026View source and a simple will $1,164Estimate: 3 hours at $388, Clio's Washington Wills and Estates rate; Compare Lawyer Rates, 2025 dataVerified Oct 15, 2026View source to $2,328Estimate: 6 hours at $388, Clio's Washington Wills and Estates rate; Compare Lawyer Rates, 2025 dataVerified Oct 15, 2026View source, against $0 to $549 up front plus a subscription with an online service.
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Who Inherits Without a Will?
Washington is a community property state, so the surviving spouse already owns half of what the couple acquired during the marriage. Without a will in Washington, descendants divide what passes to them per capita with representationRCW §§ 11.04.015(2)(a), 11.02.005Verified Oct 21, 2026View source, and an heir must survive the decedent by 120 hoursRCW § 11.05A.020Verified Oct 21, 2026View source to inherit.
Check the Rules
