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How to Make a Valid Will in Wisconsin

Wisconsin has specific rules about who can make a will, how it must be signed, how many witnesses are needed, and whether notarization is required. Here's everything you need to know about creating a valid last will and testament in WI.

This is general information, not legal advice. Laws can change. Consult a Wisconsin attorney to confirm current requirements.

Wisconsin Will Requirements at a Glance

Minimum age18
Witnesses required2
Notarization requiredNot required
Self-proving affidavitAvailable
Holographic (handwritten) willsNot accepted
Electronic willsNot recognized
Oral (nuncupative) willsNot recognized
Property systemCommunity property

Who Can Make a Will in Wisconsin?

You must be at least 18 years old to make a will in Wisconsin. No statutory exceptions for minors. The testator must be of sound mind (Wis. Stat. § 853.01)

Signing Requirements

Must be in writing. Can be typed, printed, or handwritten. If you are physically unable to sign, Another individual may sign in the testator's conscious presence and by the testator's direction (Wis. Stat. § 853.03).

Witness Requirements in Wisconsin

Wisconsin requires 2 witnesses. Must be competent individuals. Each witness must sign within a reasonable time after witnessing the signing or the testator's acknowledgment. Wisconsin enacted remote witnessing via attorney-supervised audiovisual communication in 2024 (2023 Act 130).

Interested witnesses: An interested witness does not invalidate the will (Wis. Stat. § 853.07)

Notarization in Wisconsin

Notarization is not required for a will to be valid in Wisconsin. Not required for validity; used for self-proving affidavit

Self-Proving Affidavit

Wisconsin allows a self-proving affidavit, which simplifies probate by eliminating the need for witnesses to testify in court. Testator and witnesses sign a sworn affidavit before a notary public (Wis. Stat. § 853.04)

Handwritten (Holographic) Wills

Wisconsin does not recognize holographic wills. Holographic wills are not recognized in Wisconsin

Electronic Wills

Wisconsin does not currently recognize electronic wills. Wisconsin does not have a full electronic wills statute but enacted remote witnessing provisions via attorney-supervised audiovisual communication in 2024 (2023 Act 130)

How to Revoke a Will in Wisconsin

In Wisconsin, a will can be revoked by:

  • Executing a subsequent will that revokes the prior will expressly or by inconsistency
  • Performing a revocatory act by the testator or by another in the testator's conscious presence and at their direction

Wis. Stat. § 853.11

Special Provisions in Wisconsin

Wisconsin is a COMMUNITY PROPERTY state — the only one in the Midwest. It adopted the Uniform Marital Property Act (Wis. Stat. Ch. 766). Surviving spouse has an elective share of the augmented deferred marital property estate (Wis. Stat. § 861.02). Wisconsin enacted remote audiovisual witnessing supervised by an attorney in 2024 (2023 Act 130)

Relevant Wisconsin Statutes

  • Wis. Stat. § 853.01 (Who may make a will)
  • Wis. Stat. § 853.03 (Execution of wills)
  • Wis. Stat. § 853.04 (Self-proved wills)
  • Wis. Stat. § 853.07 (Interested witnesses)
  • Wis. Stat. § 853.11 (Revocation)
  • Wis. Stat. § 861.02 (Elective share)
  • Wis. Stat. Ch. 766 (Marital Property Act)

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