Alaska Will Requirements: Witnesses, Notary, and What Makes a Will Valid

Alaska recognizes three types of wills — formal attested, self-proving, and holographic — each with different execution requirements. Getting these details wrong doesn't just create inconvenience; it can invalidate the entire document, sending your estate into intestate succession regardless of your wishes.

Here's exactly what Alaska law requires for each type.

Formal Attested Will (Standard)

Under AS 13.12.502(a), a valid Alaska will must meet these requirements:

• Age: The testator must be at least 18 years old
• Mental capacity: The testator must be of "sound mind" — understanding what they own, who their family is, and what the will does
• Written: Must be typed or printed on physical paper. Alaska does not recognize digital, video, or audio wills
• Signed: By the testator personally, or by another person signing the testator's name at their conscious direction and in their physical presence
• Two witnesses: Must sign within a reasonable time after watching the testator sign (or hearing the testator acknowledge their signature)

Witnesses must be competent adults. Under AS 13.12.505, a beneficiary of the will can legally serve as a witness without forfeiting their gift — but using disinterested witnesses eliminates any future allegations of undue influence.

A notary is not required for a basic valid will. However, an unnotarized will requires witness testimony during probate to prove authenticity — which adds time and cost.

Self-Proving Will (Recommended)

A self-proving will adds a sworn affidavit to the basic will, signed by the testator and both witnesses before a notary public. Under AS 13.12.504, this affidavit confirms that all execution requirements were met.

The advantage: when this will is presented to probate court, it's accepted as authentic without requiring the witnesses to testify or provide additional affidavits. This eliminates a common bottleneck — especially problematic if witnesses have moved, become incapacitated, or died by the time the will is probated.

The self-proving affidavit uses a statutory template defined in Alaska law. It must include:

• Signatures of both the testator and witnesses
• Notary's signature and official seal
• Statement confirming voluntary execution and mental capacity

Holographic (Handwritten) Will

Under AS 13.12.502(b), Alaska recognizes holographic wills as valid without any witnesses if:

• The signature is in the testator's own handwriting
• All "material portions" are in the testator's own handwriting

"Material portions" means the essential terms — who gets what. Pre-printed forms with blanks filled in by hand may not qualify, because the material terms weren't entirely in the testator's handwriting.

Holographic wills are legally valid but practically risky:

• Interpretation disputes are common (handwriting legibility, ambiguous language)
• No witnesses means contested authenticity is harder to resolve
• Courts apply stricter scrutiny to ensure the document represents genuine intent

For Alaska families with remote property, Native Corporation shares, or complex assets, a holographic will is a last resort — not a planning strategy.

Common Execution Mistakes

Signing sequence errors: Both witnesses should watch the testator sign, then sign immediately themselves. A will signed by witnesses at a different time or location than the testator creates grounds for challenge.

Interested witnesses without backup: While Alaska allows beneficiary-witnesses, a will where both witnesses are also primary beneficiaries invites litigation from disinherited family members.

Outdated wills after major life events: Alaska doesn't automatically revoke a will upon divorce (unlike some states for certain provisions). But marriage, divorce, birth of children, or acquiring significant new assets all warrant a review.

Not making it self-proving: The cost of a notary visit is trivial compared to the probate complications of an un-notarized will, especially when witnesses may be unavailable decades later.

What Happens Without a Valid Will

If your will fails to meet these requirements — or if you die without one — Alaska's intestate succession statutes (AS 13.12.102) dictate distribution. Your spouse may receive the entire estate, or may split it with your parents or children from another relationship, depending on your family structure.

No court form, no beneficiary designation, and no verbal promise replaces a properly executed will.

Getting It Right the First Time

The Alaska Basic Estate Planning Kit includes a will execution checklist with the exact witness and notary requirements, a self-proving affidavit template reference, and guidance on coordinating your will with non-probate transfers (TOD deeds, beneficiary designations, ANCSA stock wills) so nothing falls through the gaps.

See more Alaska guides →