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How do I make a valid will in Washington?

Federal & State Law Editorial TeamLast reviewed: 2026-04-30

Washington wills are governed by RCW Title 11, Chapter 12.

1. Testator Requirements

  • Age: 18 or older (RCW 11.12.010).
  • Capacity: Sound mind.
  • 2. Witness Requirements — Attested Will (RCW 11.12.020)

  • In writing.
  • Signed by the testator (or by another at the testator's direction).
  • Attested by 2 or more competent witnesses by subscribing their names to the will, or by signing an affidavit complying with the self-proving requirements, while in the presence of the testator and at the testator's direction or request.
  • 3. Notarization

    Not required for validity. A self-proving affidavit under RCW 11.20.020(2) before a notary allows the will to be probated without witness testimony.

    4. Holographic Wills

    Washington does NOT recognize holographic wills executed in Washington. However, RCW 11.12.020(2) honors a will (including a holographic one) valid in the jurisdiction where it was executed or where the testator was domiciled at execution.

    5. Electronic Wills

    Washington has adopted the Electronic Wills Act (RCW 11.12.400 et seq., effective 2022) — wills may be executed and witnessed remotely under specified conditions.

    6. Community Property State

    Washington is a community property state. A will controls only the testator's separate property and the testator's half of community property.

    7. Intestacy (No Will)

    RCW 11.04.015: Spouse takes all community property and 1/2 separate property if descendants exist; 1/2 separate property otherwise; all separate property if no descendants or parents survive.

    8. Small Estate Threshold

    Washington's small estate affidavit (RCW 11.62.010) is available for estates with personal property of $100,000 or less, after a 40-day waiting period.

    9. Community Property Agreement

    Washington allows a community property agreement (RCW 26.16.120) — converting all property to community and providing that all community property passes to the surviving spouse without probate.

    This is legal information, not legal advice.

    When to Talk to a Lawyer
    • You have separate vs. community property issues
    • You want a community property agreement
    • You moved here with a holographic will
    Related Statutes & Laws
    • RCW 11.12.010
    • RCW 11.12.020
    • RCW 11.20.020
    • RCW 11.04.015
    • RCW 11.62.010
    • RCW 26.16.120

    This is legal information, not legal advice. Laws vary by jurisdiction and change frequently. Always verify current law with official sources and consult a licensed attorney in your jurisdiction for advice on your specific situation.