Annulment · Utah law

Does your marriage qualify for an annulment in Utah?

Utah recognises seven grounds for an annulment, and most marriages meet none of them — which is why divorce is the far more common path. These five questions tell you which side of that line you are on.

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Utah law
Reviewed 2026

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What are the grounds for annulment in Utah?

Utah grants annulments on seven specific grounds, and only those. An annulment says the marriage was never valid; a divorce ends a marriage that was. That is why the bar is higher — and why most people who want out of a marriage need a divorce, not an annulment, however short the marriage was.

1

One spouse was already married to someone else

A bigamous marriage was never valid to begin with. This is the strongest and most clear-cut of the grounds, because it does not depend on what either person intended.

2

You are closely related by blood

Utah prohibits marriage between close relatives — first cousins or nearer. Like bigamy, this makes the marriage void rather than merely voidable.

3

One spouse was under 18 without the required consent

A marriage entered into below the age of consent, without the parental or court approval Utah requires, can be annulled.

4

Fraud about something essential to the marriage

Not any lie — one that goes to the heart of the marriage. Concealing an inability to have children, a hidden felony, or a pregnancy by someone else are the usual examples. Ordinary disappointment does not qualify.

5

Force, threat or coercion

If one spouse was pressured into the marriage rather than choosing it, consent was never genuinely given.

6

One spouse could not understand what they were agreeing to

Mental incapacity or intoxication severe enough that the person could not comprehend the marriage they were entering.

7

Undisclosed permanent inability to consummate the marriage

Where it existed at the time of the marriage and was not disclosed beforehand.

What can stop an annulment even when you have grounds

You kept living as spouses after you found out

Courts call this ratification. Continuing the marriage voluntarily after learning the truth can bar an annulment outright, even on grounds that would otherwise be strong. It is the most common reason an otherwise good case fails.

Time has passed

The longer a couple has lived as married, the harder the fact-dependent grounds — fraud, incapacity, non-consummation — become to prove. The clear-cut grounds, bigamy and close blood relation, are far less affected.

You have no documentation

Bigamy can be shown from a marriage licence. Fraud, duress and incapacity usually cannot be shown from anything, which is where these cases are won or lost.

One thing an annulment does not do: erase children. Custody, parent-time and child support are decided the same way they would be in a divorce, whatever happens to the marriage itself.

Frequently asked questions

What are the grounds for annulment in Utah?

Utah grants annulments only on specific legal grounds, not simply because a marriage was short. They include one spouse already being legally married to someone else, one spouse being under 18 without the required parental or court consent, fraud about something essential to the marriage, force or coercion, mental incapacity or intoxication that prevented real consent, and a permanent inability to consummate the marriage that was concealed.

What is the difference between an annulment and a divorce in Utah?

A divorce ends a marriage that was valid. An annulment is a court declaration that the marriage was never valid in the first place, which is why Utah requires specific grounds and evidence. If your situation does not meet one of those grounds, divorce is the realistic path even if the marriage was very short.

Does living together after finding out affect an annulment?

It can. The longer a couple continues living as married after discovering the problem, the harder some grounds — fraud and inability to consummate in particular — become to prove. Separating promptly after the discovery, and being able to document when you learned of it, strengthens the case.

What if I do not have grounds for an annulment?

Then divorce is the route, and in Utah an uncontested divorce is often faster than a contested annulment because you are not required to prove anything about how the marriage began. divvi's uncontested divorce wizard is free; you pay only the $358 court filing fee.

Do I need evidence to get an annulment in Utah?

Yes. Because an annulment asks a court to find the marriage was never valid, you generally need documentation, witnesses, or records supporting the ground you are claiming. That evidentiary burden is the main reason an annulment can end up slower and more contested than a straightforward divorce.