The most common mistakes that undo a Utah will are execution errors: fewer than two witnesses, a missing testator signature, or a witness who was not present at the same time. Utah also recognizes handwritten (holographic) wills under Utah Code 75-2-502, which trips up DIY drafters who assume the state's flexible rules mean no rules at all.
A DIY will is valid in Utah when it is done right. The mistakes below are the ones that most often turn a well-intentioned document into a fight in probate court, and each one is avoidable if you know the rule before you sign. If you want the errors caught before they happen, FastWill's will package walks you through Utah's execution requirements step by step.
Key Takeaways
- Utah requires two witnesses who sign within a reasonable time of watching you sign or acknowledge the will.
- A holographic will is valid only if the signature and material provisions are in your own handwriting.
- Skipping a self-proving affidavit under Utah Code 75-2-504 is not fatal, but it slows probate down.
- Forgetting to update your will after marriage, divorce, or a new child is one of the most common failures Utah probate courts see.
What witness mistakes invalidate a Utah will?
Utah Code 75-2-502 requires a will to be signed by the testator, or by someone else in the testator's conscious presence at the testator's direction, and signed by at least two witnesses. Each witness must sign within a reasonable time after watching the testator sign or acknowledge the will or the signature.
The mistakes that show up most: only one witness signs, a witness signs before the testator does, or a witness signs weeks later after the testator has already died. Utah does not require the witnesses to be in the same room as each other at the same moment as the testator, but they do each need a direct connection to the signing event. An interested witness (someone who also inherits under the will) does not automatically void the will in Utah, but it invites a challenge, so use disinterested witnesses whenever possible.
What happens if the testator's signature is missing or unclear?
A will without the testator's signature, or signed by an initial instead of a full signature with no clear intent, is one of the fastest ways to lose validity. Utah accepts a signature made by someone else in the testator's presence and at the testator's direction, but that exception requires clear evidence of both the presence and the direction. If you cannot sign your name yourself, have the person assisting you and both witnesses document exactly how the signature was made.
Can a handwritten (holographic) will go wrong in Utah?
Utah is one of the states that recognizes holographic wills under 75-2-502, meaning a will can be valid without any witnesses if the signature and the material portions are in the testator's own handwriting. The mistake happens when someone types most of the will and only handwrites a signature, assuming that qualifies. It does not. The material provisions, who gets what, must be handwritten too, or the document needs the standard two witnesses instead.
What ambiguous or contradictory language causes probate disputes?
Vague bequests such as my jewelry to my daughters without naming which daughter gets which piece, or two clauses that contradict each other about who receives the house, force a Utah probate court to interpret intent instead of following clear instructions. Name beneficiaries specifically, describe property in enough detail to identify it, and read the whole document once more before signing to catch contradictions.
Why does a missing residuary clause matter?
A residuary clause covers everything you did not specifically list, a bank account you forgot, property acquired after you signed the will, or a settlement that arrives after your death. Without one, anything not specifically named falls into Utah's intestacy rules and may not go where you intended, even though the rest of your will is perfectly valid.
What amendment and revocation mistakes should you avoid?
Crossing out a line and writing a new name next to it does not amend a Utah will. Changes require either a new will or a formally executed codicil signed and witnessed the same way as the original. Likewise, simply telling family members you want the will cancelled does not revoke it under Utah law; revocation requires a subsequent will, a written revocation, or physically destroying the document with intent to revoke it.
Is skipping the self-proving affidavit a mistake?
A self-proving affidavit under Utah Code 75-2-504 lets the will move through probate without dragging your witnesses into court to testify that the signing happened correctly. Skipping it does not invalidate the will, but it means the court may need to track down witnesses years later, which is a real problem if a witness has moved or died. Add the affidavit at signing; it costs a notary visit, not a lawyer.
What DIY-form errors show up most often?
Using an outdated template, leaving blank fields unfilled instead of marking them not applicable, or failing to name an alternate executor if your first choice cannot serve are the recurring DIY errors. Read every field before signing, and never leave a blank line that could be filled in by someone else after the fact.
Why do so many wills go stale after a life change?
A will drafted before a marriage, divorce, or the birth of a child often no longer reflects reality, and Utah's rules on how divorce affects prior bequests to an ex-spouse can produce results people do not expect. Review your will after every major life event rather than assuming it still says what you want.
Related Utah estate planning guides
These mistakes are only one part of a complete Utah plan. See the Utah estate planning overview for the full picture, the step-by-step guide to making a will in Utah, what happens if you skip a will entirely under Utah's intestacy rules, and when a Utah living trust makes more sense than a will alone. For a broader look at these same errors nationwide, see common will mistakes and how to avoid them.
Once you understand these pitfalls, you can create your will with FastWill and avoid them from the start.
Frequently Asked Questions
Does Utah require a will to be notarized?
No. Utah requires two witnesses to make a will valid; notarization is only needed for the optional self-proving affidavit.
Is a handwritten will legal in Utah?
Yes, if the signature and the material provisions naming who receives what are in the testator's own handwriting, under Utah Code 75-2-502.
Can one witness be enough for a Utah will?
No. Utah requires at least two witnesses for a standard, non-holographic will to be valid.
What happens if my Utah will has no residuary clause?
Any property not specifically listed passes under Utah's intestacy statute instead of your will, which may not match your wishes.
Get your Utah will right the first time
A DIY will works in Utah when the execution rules are followed exactly. FastWill's will package is built around Utah's requirements so you do not have to guess at witness rules or self-proving language.
