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WA · POA · Updated July 2026 · Free

Washington Power of Attorney

Not Attorney-ReviewedAuthor: Arjun AnnamalaiMethodology: Statutory Verification

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Washington at a glance: Governing Law: Wash. Rev. Code § 11.125.010 et seq. (UPOAA) · Notarization: Required · Witnesses: Not statutorily required

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Overview

Powers of Attorney in Washington

Washington has adopted the Uniform Power of Attorney Act, codified in the Washington Revised Code. A financial POA must be notarized to be valid and is durable by default. A separate health care directive is required for medical decisions in Washington.
Key Facts

Washington Power of Attorney — Quick Reference

RequirementWashington Rule
Governing LawWash. Rev. Code § 11.125.010 et seq. (UPOAA)
NotarizationRequired
WitnessesNot statutorily required
Default DurabilityDurable by default
Medical DecisionsSeparate health care directive required
Legal Requirements

Washington Legal Requirements

  • Must be signed by the principal and acknowledged before a notary public.
  • Durable by default under Washington's Uniform Power of Attorney Act.
  • Agent has fiduciary duties to act in the principal's best interest.
  • A separate health care directive is needed for medical decisions.
Governing Laws

Washington Governing Laws

Wash. Rev. Code § 11.125.010 et seq.
Uniform Power of Attorney Act
Governs the creation, effect, and termination of powers of attorney in Washington.

Read the full text of these laws at Cornell Law School's Washington legal resources or your state legislature's official website.

Questions & Answers

Washington Power of Attorney — Frequently Asked Questions

Does a Washington POA need to be notarized?

Yes. Washington requires a financial POA to be acknowledged before a notary public.

Is a Washington POA durable by default?

Yes, under Washington's Uniform Power of Attorney Act.

Does a Washington POA cover healthcare decisions?

No. A separate health care directive is required for medical decisions.