Wisconsin Probate Timeline

A full Wisconsin estate often takes about 9 to 18 months from death to final closing. Simple informal estates can move faster. Estates with disputes, hard-to-value assets, or tax filings can take longer. The clock is shaped by statutory deadlines, not by a single closing date. Wisconsin generally expects an estate to be closed within 18 months of opening, and the claims period alone holds many estates open for several months before distribution.

Use this Wisconsin probate timeline as a planning calendar, not a promise that an estate will close by a fixed day. Wisconsin probate runs through the Circuit Court. Most uncontested estates use informal administration handled by the probate registrar (the register in probate), while contested or complex estates use formal administration before a circuit court judge. Start with the Wisconsin probate guide if you are still choosing a path, and the Wisconsin executor duties guide for the full task list.

Wisconsin Probate Timeline at a Glance

These markers can overlap. A family may order records and locate the will before any court filing. The claim deadline and the inventory deadline run on separate clocks, one from the court's order and one from appointment. A Wisconsin probate timeline works best when each date is tied to the event that triggers it, not a generic month count.

First Week: Records, Property, and the Original Will

The first week is about preventing avoidable delays, not finishing probate.

Start with:

• certified death certificates
• the original will and any codicils
• trust documents
• deeds and property tax records
• vehicle titles and registrations
• bank, credit union, brokerage, and retirement statements
• life insurance and beneficiary records
• mortgage, utility, insurance, and tax records

Keep the home secure, keep insurance active when possible, and avoid giving away property until authority and ownership are clear. A beneficiary or payable-on-death account may pass outside probate. A solely owned bank account may need administration or a qualifying small estate path. Marital property rules can also affect what is part of the probate estate in Wisconsin, so confirm how each asset is titled before you act.

The Wisconsin first steps guide covers this early document stage in more detail, and the Wisconsin death certificate guide explains how to order certified copies.

Small Estate: Transfer by Affidavit and Summary Procedures

Wisconsin offers faster paths when the estate is small.

Transfer by affidavit is available when the property subject to administration in Wisconsin does not exceed $50,000 in gross value (§867.03). A person who receives the affidavit generally may not transfer money due to the decedent until 30 days after receiving it, and for real property the affiant must give the heirs a copy of the affidavit and notice at least 30 days before recording it with the register of deeds. Notice to the Department of Health Services applies when the decedent received medical assistance.

Summary settlement and summary assignment are court procedures for estates that do not exceed $50,000 in value, with summary settlement available when a surviving spouse, domestic partner, or minor children are involved (§867.01, §867.02). These routes can close an estate far faster than full administration. Confirm the current thresholds and which path fits before relying on one. The Wisconsin probate guide compares these options.

Opening the Estate: No Fixed Deadline, But Start the Clock

Wisconsin sets no fixed day count by which you must open probate, so do not assume a specific deadline. Opening still matters because the 18-month closing expectation and several other deadlines flow from the start of administration, so the sooner you open, the sooner the calendar becomes concrete. A separate outer limit applies: administration generally cannot begin more than a set number of years after death, so do not let an estate sit indefinitely.

You open the estate in the Circuit Court for the county where the decedent lived. Informal administration is handled by the probate registrar when the will allows it or all interested persons consent in writing and agree on the personal representative. Formal administration goes before a circuit court judge and is used for contested or more complex estates. Use the Wisconsin executor duties guide for the opening checklist.

Claim Deadline: 3 to 4 Months From the Order

When an application for administration is filed, the court, or the probate registrar in informal administration, sets a date as the deadline for filing claims against the estate. That date is not less than 3 nor more than 4 months from the date of the order (§859.01). Notice to creditors is then published as the statute requires.

Claims not filed by that deadline are barred against the estate, the personal representative, and the heirs and beneficiaries, with limited statutory exceptions for certain claims (§859.02). The deadline cannot be waived. A creditor who received no notice has an outer limit of one year after death, and must also file within 30 days after the personal representative gives notice or after the creditor first learns the estate is being administered (§859.48).

This claims window is a real planning factor, not a footnote. A personal representative who distributes before claims are resolved can face personal exposure, so many wait until the claim deadline passes and presented claims are paid or settled before making final distribution. See the Wisconsin creditor claims guide for how to handle and pay claims.

Within 6 Months: File the Inventory

The personal representative must file an inventory of the property the decedent owned at death within a reasonable time, but no later than 6 months after appointment, unless the court extends or shortens the time by order (§858.01). The personal representative must also notify interested persons after the inventory is filed.

Inventory work starts before the form is due. Build a list of:

• probate bank, credit union, and brokerage accounts
• vehicles
• tangible personal property
• business interests
• refunds and checks payable to the estate
• real property connected to the estate
• liens, secured debts, and disputed assets

The inventory lists assets at date-of-death value and supports the filing fee calculation. Keep your supporting records organized so the account at the end of the estate matches the inventory at the start.

Closing: The 18-Month Target

Wisconsin generally expects an estate to be closed within 18 months of opening, and many courts ask the personal representative to aim for about 12 months. If the estate is not closed by 18 months, the court can require an explanation and, in informal administration, the registrar may replace the personal representative when there is no valid reason for the delay. When more time is genuinely needed, the personal representative petitions for an extension and explains the delay.

How you close depends on the path. In informal administration, the personal representative files a verified statement to close, confirming that the claim deadline has passed, that claims and expenses have been paid or settled, and that property has been distributed (§865.16). If no proceedings are pending six months after that statement is filed, the appointment terminates. In formal administration, the personal representative files an account for final settlement, and the court holds a hearing on the account before approving it and discharging the representative (Chapter 862).

Creditors and Distribution Timing

Distribution timing turns on the claims process. The personal representative should not make final distribution until the claim deadline has passed and presented claims, administration expenses, funeral and burial costs, and taxes are paid or properly handled. Early distribution can leave the personal representative personally exposed for valid unpaid claims.

This is why the claims period effectively sets the floor on how fast an estate can close. Even an organized estate usually cannot distribute and close until the 3-to-4-month claim window runs and the presented claims are resolved. Confirm the recommended sequence with the Circuit Court or probate registrar before you distribute.

Tax Calendar

Tax timing depends on the estate facts.

The decedent's final federal Form 1040 and any required Wisconsin income tax return are generally due by the normal filing deadline, about April 15, for the year following the year of death. A fiduciary income tax return may also apply depending on estate income.

Federal estate tax is a separate question. IRS Form 706 is generally due nine months after death when the estate must file or when a portability election is needed, and a six-month extension to file may be available. Wisconsin has no separate state estate or inheritance tax for decedents dying in current years. Confirm whether a federal filing is required based on the gross estate value.

What Can Slow the Timeline

A Wisconsin probate timeline can stretch when:

• the original will is missing
• heirs or beneficiaries are unknown or hard to reach
• creditors dispute payment or a claim must be litigated
• real estate must be sold or used to pay claims
• the estate owns a business interest
• assets are hard to value for the inventory
• tax filings need more records
• the inventory or the closing statement is late or incomplete
• an interested person objects and the estate moves to formal administration

Some delays are unavoidable. Others come from filing late or with an incomplete packet. Calendar each date from the event that triggers it and keep your records organized.

Practical Filing Calendar

Use this working calendar:

1. First week: secure property, order certified death certificates, and locate the original will.
2. First two weeks: list probate and non-probate assets, debts, liens, and likely recipients.
3. Before opening: confirm the correct county Circuit Court and whether informal administration fits.
4. If the estate is small: check the $50,000 transfer-by-affidavit and summary procedures.
5. At opening: note the court-set claim deadline, 3 to 4 months out.
6. Within 6 months of appointment: file the inventory and notify interested persons.
7. After the claim deadline: pay or settle claims, expenses, and taxes before distributing.
8. Toward 12 to 18 months: distribute and prepare to close.
9. Closing: file the closing statement or the final account and confirm the court has approved it.

This is general information, not legal advice. Local practice and estate facts change timing, so verify each date with your Circuit Court or probate registrar. Return to the Wisconsin probate hub for related guides.

This guide is general information about Wisconsin estates. It is not legal advice. Confirm anything that affects your situation with the Circuit Court, the probate registrar, or a licensed Wisconsin attorney.

Sources

• Title: Wis. Stat. § 859.01, Time for filing claims. Publisher: Wisconsin Legislature. Publication Date: Current statute, accessed 2026-06-13. URL: https://docs.legis.wisconsin.gov/statutes/statutes/859/01
• Title: Wis. Stat. § 859.02, Limitation on claims. Publisher: Wisconsin Legislature. Publication Date: Current statute, accessed 2026-06-13. URL: https://docs.legis.wisconsin.gov/statutes/statutes/859/02
• Title: Wis. Stat. § 859.48, Claims of creditors without notice. Publisher: Wisconsin Legislature. Publication Date: Current statute, accessed 2026-06-13. URL: https://docs.legis.wisconsin.gov/statutes/statutes/859/48
• Title: Wis. Stat. § 858.01, Personal representative files. Publisher: Wisconsin Legislature. Publication Date: Current statute, accessed 2026-06-13. URL: https://docs.legis.wisconsin.gov/statutes/statutes/858/01
• Title: Wis. Stat. § 865.16, Closing estates by sworn statement. Publisher: Wisconsin Legislature. Publication Date: Current statute, accessed 2026-06-13. URL: https://docs.legis.wisconsin.gov/statutes/statutes/865/16
• Title: Wis. Stat. ch. 862, Probate; account. Publisher: Wisconsin Legislature. Publication Date: Current statute, accessed 2026-06-13. URL: https://docs.legis.wisconsin.gov/statutes/statutes/862
• Title: Wis. Stat. § 867.03, Transfer of decedent's property by affidavit. Publisher: Wisconsin Legislature. Publication Date: Current statute, accessed 2026-06-13. URL: https://docs.legis.wisconsin.gov/statutes/statutes/867/03
• Title: A Guide to Informal Estate Administration in Wisconsin. Publisher: Wisconsin Court System. Publication Date: Current court resource, accessed 2026-06-13. URL: https://www.wicourts.gov/services/public/selfhelp/docs/probateguide.pdf
• Title: Estate Tax. Publisher: Internal Revenue Service. Publication Date: Current IRS estate tax page, accessed 2026-06-13. URL: https://www.irs.gov/businesses/small-businesses-self-employed/estate-tax