Updated September 7, 2026. Quick answer: In Iowa, you have the later of 4 months from the second published notice of admission or 1 month after mailed notice to heirs and devisees to contest a will that has already been admitted to probate, running from whichever of those two events is later.
How long do you have to contest a will in Iowa?
| Deadline to contest an admitted will | the later of 4 months from the second published notice of admission or 1 month after mailed notice to heirs and devisees |
| What starts the clock | whichever of those two events is later |
| Dedicated will-contest statute? | Yes |
“An action to contest or set aside the probate of a will must be commenced…within the later to occur of four months from the date of second publication of notice of admission of the will to probate or one month following the mailing of the notice to all heirs of the decedent and devisees under the will whose identities are reasonably ascertainable, at such persons’ last known addresses.”
Source: Iowa Code § 633.309
What makes Iowa different
Iowa’s clock is pegged to actual notice mechanics rather than a flat period from admission; an heir who was never properly mailed notice can argue the 1-month leg of the deadline never started running. The controlling authority is Iowa Code § 633.309, and the window runs from whichever of those two events is later.
What happens once this deadline passes?
Once the window above closes, Iowa’s probate of the will generally becomes final and binding on everyone who had the chance to object, subject only to the tolling or discovery exceptions described above; a separate objection Iowa allowed at the original probate hearing does not reopen or extend it.
Sources
| Statute / rule | Iowa Code § 633.309 |
| Iowa courts (general reference) | Iowa judicial branch |
| Confidence | High |
Every statute or rule quoted on this Iowa page was read directly from the state’s own legislature/court/code site this session, or, where that site blocked automated access, from a reputable legal-citation mirror quoting the same official text with its official citation (disclosed below). General information, not legal advice; whether a specific contest is still timely can turn on facts (exactly when notice was given, how the will was probated, whether a disability applies) that only your own Iowa probate court file can confirm.