Missouri Probate Filing Deadlines for Executors

Missing a probate filing deadline in Missouri can cost you personally. As an executor, you have a legal duty to the court, the estate, and its beneficiaries. Late filings can lead to fines, removal from your role, or personal liability for losses the estate suffers. If you've been named as an executor or are already serving one, understanding the specific Missouri probate court filing deadlines for executors is the first step to protecting yourself and carrying out your responsibilities correctly.

What deadlines does Missouri law impose on executors?

Missouri probate is governed by Chapter 473 of the Revised Statutes of Missouri (RSMo). The law sets out a series of filing deadlines that an executor called a "personal representative" in Missouri must follow after someone dies. These deadlines are not suggestions. They are legal requirements enforced by the probate division of the circuit court in the county where the deceased lived.

The deadlines cover everything from filing the will with the court to submitting an inventory of estate assets, notifying creditors, and filing accountings and settlement documents. Each one comes with a specific window of time, usually measured in days from a triggering event like the date of death or the date the executor is formally appointed.

When does the probate clock start running?

The clock does not start when you learn you're named in the will. It starts when legally significant events occur. Here's how Missouri breaks it down:

Date of death Some deadlines begin the day the person dies, such as the obligation to file the will with the court.
Date of appointment Other deadlines start when the court formally issues letters testamentary, which is the document that gives you legal authority to act on behalf of the estate.

Knowing which event triggers which deadline is essential. If you confuse the two, you could miscalculate your timeline and miss a critical filing. You can learn more about how long the probate process takes in Missouri to get a sense of the full timeline you're working within.

What are the key filing deadlines executors must meet?

Here is a summary of the most important deadlines Missouri imposes on executors:

Filing the will with the probate court

Under §473.050 RSMo, any person who has custody of the deceased's will must deliver it to the probate court within 30 days of learning about the death. This applies even if you're not sure the will is valid or if probate hasn't been opened yet. Holding onto the will even with good intentions can expose you to legal consequences.

Applying for probate (letters testamentary)

Missouri law says that no grant of probate or letters testamentary may be issued more than one year after the decedent's death unless there are specific, narrow exceptions. In practice, you should file your application much sooner. Creditors, beneficiaries, and tax authorities all operate on their own timelines, and delays on your end can cause the estate to miss those too.

Filing the inventory

After the court appoints you, you have 30 days to file a complete inventory and appraisement of the estate's assets (§473.510 RSMo). This inventory must list all real estate, personal property, bank accounts, investments, and any other assets the deceased owned or had an interest in. The court takes this document seriously. An incomplete or late inventory can result in court action.

For a detailed look at the documents you'll need and when each one is due, see what documents are required at each stage of Missouri estate administration.

Publishing notice to creditors

Missouri requires executors to publish notice to creditors in a local newspaper. Under §473.033 RSMo, this notice must be published once a week for four consecutive weeks. Once the last publication runs, creditors generally have a set period to file claims against the estate. If you fail to publish this notice properly, creditors may retain the right to file claims much later, extending the estate's liability window and delaying distribution.

Filing claims and settling debts

Creditors who receive direct notice typically have 30 days from the date of notice to present their claims. Creditors who learn of the probate through publication have until the later of six months after the first publication of notice or two months after the mailing of notice, depending on the circumstances. Executors must review, approve, or reject claims within the statutory windows. Paying a claim after the deadline or rejecting one outside the proper process can create problems.

Filing settlements and accountings

Executors must file a settlement with the court showing what came into the estate, what was paid out, and what remains for distribution. Missouri requires the first settlement to be filed within one year of appointment, and subsequent settlements at intervals the court may order. If the estate can be closed sooner, a final settlement and petition for distribution is filed.

Understanding the full sequence of these deadlines is part of knowing what the probate timeline looks like after death for Missouri beneficiaries.

Do small estates in Missouri follow the same deadlines?

Not exactly. Missouri offers simplified procedures for small estates those with assets below a certain value threshold. The small estate affidavit process allows assets to be transferred without full probate administration, which means several of the deadlines listed above don't apply. However, there are still rules about timing. For example, the affidavit cannot be filed until 30 days after the death.

If you're unsure whether the estate you're handling qualifies, read more about how the probate timeline differs between small estates and regular estates in Missouri.

What happens if you miss a filing deadline?

The consequences depend on which deadline you miss and how late you are. Here's what can happen:

Removal as executor The court can remove you and appoint a successor personal representative if it finds you are not fulfilling your duties.
Personal liability If your delay causes the estate financial harm for example, if a creditor's claim goes unpaid because you missed a deadline, or if assets lose value you may be held personally liable for those losses.
Beneficiary complaints Beneficiaries have the right to petition the court to compel your compliance or to have you removed. This can lead to legal costs charged to the estate or to you personally.
Extended creditor exposure Failure to properly notify creditors can keep the estate open to claims for a longer period, delaying final distribution to beneficiaries.

Missouri courts generally expect executors to act diligently. A one-time mistake with a reasonable explanation may be treated differently than a pattern of neglect, but relying on the court's goodwill is a risky strategy.

What are the most common mistakes executors make with probate deadlines?

After working with Missouri estates, these are the errors that come up most often:

Confusing "having a will" with "being appointed." Simply being named executor in a will does not give you legal authority. You must be formally appointed by the court. Until that happens, you cannot file inventory, notify creditors, or manage estate assets in an official capacity. Filing deadlines based on your appointment date cannot start until the appointment happens.
Waiting too long to file the will. Some executors hold onto the will while they "figure things out." Missouri law is clear: you have 30 days from learning of the death to file the will. Period.
Underestimating the inventory process. The 30-day inventory deadline comes up fast. Executors who haven't gathered documents, contacted financial institutions, or visited property in the first weeks often find themselves scrambling. Start collecting information immediately.
Improper creditor notice. Publishing in the wrong newspaper, skipping a week of publication, or using incorrect language in the notice can invalidate the entire notice period, forcing you to start over.
Missing the one-year filing cutoff. If no application for probate is filed within one year of death, the court's ability to grant administration is severely limited.

How can executors stay on top of Missouri probate deadlines?

Here are practical steps that help:

Create a deadline calendar immediately. As soon as you learn you may serve as executor, write down every known deadline. Start with the 30-day will filing deadline and work forward from there.
File for appointment as early as possible. Every other deadline runs from your appointment date. Delaying your appointment delays everything else and compresses the time you have to meet subsequent deadlines.
Gather documents before you're appointed. You may not have legal authority to manage assets yet, but you can collect copies of financial statements, insurance policies, property deeds, tax returns, and other records that will help you file the inventory on time.
Hire a probate attorney early. Missouri probate law is detailed and technical. A local probate attorney can make sure your filings are accurate and on time, and can advise you on deadlines specific to the estate you're handling.
Keep detailed records of everything. Every filing, every notice, every communication with creditors should be documented. If a deadline dispute comes up, your records are your best defense.

Missouri executor probate filing checklist

Use this checklist as a starting point. Your specific estate may require additional filings, but these are the deadlines nearly every Missouri executor will face:

Within 30 days of learning of death: File the will with the probate court (§473.050).
As soon as possible after death: File application for letters testamentary to be formally appointed.
Within 30 days of appointment: File inventory and appraisement of all estate assets (§473.510).
Promptly after appointment: Publish notice to creditors for four consecutive weeks in an approved newspaper (§473.033).
Within creditor claim period: Review and act on all creditor claims within statutory timeframes.
Within one year of appointment: File first settlement with the probate court.
Before one year after death: Ensure probate application has been filed with the court.
At estate closing: File final settlement, petition for distribution, and request discharge.

Next step: If you have been named executor and someone in Missouri has recently died, contact the probate court in the county where the deceased lived this week. Confirm what's already on file, get your application started, and mark your calendar with the 30-day will filing deadline. The sooner you act, the more time you give yourself to handle every deadline that follows. For a broader view of the full process, review the Missouri Courts probate information page for current forms and local court requirements.