How long does probate take in Illinois?

Quick answer

A routine Illinois estate administered independently typically closes in 9 to 12 months, because final distribution generally cannot occur until the 6-month creditor claims period under 755 ILCS 5/18-3 has run. Supervised administration usually runs 12–18 months. Contested estates can take 18–36 months or longer.

⚠️ Educational information only — not legal, tax, or financial advice.

The figures on this page are general estimates. Laws, fees, thresholds, and prices differ by state and change often, and your own situation may change the result. Before you act, confirm the current numbers and rules for Illinois with a licensed professional — an attorney, tax advisor, or licensed agent as appropriate. Reading this page does not create a professional relationship.

Why probate takes that long

The single biggest factor that sets the floor on probate timing is the creditor claim period — the window during which people the decedent owed money must come forward.

In Illinois: Six months from first publication of notice to creditors, under 755 ILCS 5/18-3. Final distribution generally cannot occur until this period runs.

Until that window closes (or is otherwise resolved), the personal representative generally can’t safely distribute the estate to heirs. That’s why even the simplest Illinois probate rarely finishes faster than the creditor period itself.

What can make Illinois probate faster

  • Small-estate procedure. Under 755 ILCS 5/25-1, an estate qualifies for a Small Estate Affidavit if the gross personal estate does not exceed $150,000 (raised from $100,000 effective August 15, 2025). The estate cannot contain Illinois real estate, and no letters of office can be outstanding. Vehicles registered with the Illinois Secretary of State can be transferred separately.
  • Simplified real-estate procedure. Illinois has no general simplified procedure for transferring real estate at death outside of probate, but does recognize Transfer on Death Instruments (TODI) for residential real estate under 755 ILCS 27 — these avoid probate if executed before death.
  • A funded living trust. Assets held in a properly funded revocable living trust skip probate entirely. The successor trustee can usually distribute the trust assets privately within a month or two.
  • Beneficiary designations and joint ownership. Life insurance, retirement accounts, payable-on-death (POD) accounts, and jointly held property pass directly to the named person and never enter probate.
  • Cooperation among heirs. Uncontested probate moves dramatically faster than estates where heirs disagree.

What can make Illinois probate slower

  • A contested will or family dispute. Will contests can add 6 to 24 months — sometimes years.
  • Real estate that has to be sold. Listing, accepting an offer, and closing on a property routinely adds 3 to 6 months.
  • A federal estate tax return. Estates over the federal exemption ($15M per person in 2026) must file IRS Form 706 within 9 months. The IRS review can take a year or more.
  • State estate or inheritance tax. Where the state imposes an estate or inheritance tax, the required return and the state’s review can add weeks or months to the timeline.
  • Out-of-state property. Real estate owned in another state typically requires a separate ancillary probate in that state, in parallel.
  • Missing or unreachable heirs. The personal representative must take reasonable steps to locate beneficiaries before closing.
  • Complex assets — business interests, partnership stakes, intellectual property, art collections — which require professional valuation.

When can the executor safely distribute?

In a typical, uncontested Illinois estate with no surprises, the personal representative can usually begin distributing assets after the creditor claim period closes and any required tax returns clear. For most Illinois families, that means plan on roughly the timeline above, and don’t promise heirs specific dates earlier than that.

If the estate qualifies for Illinois’s small-estate procedure or a simplified administration, distribution can happen much faster — sometimes within weeks of death.

What the record shows

A routine Illinois estate administered independently typically closes in 9 to 12 months, because final distribution generally cannot occur until the 6-month creditor claims period under 755 ILCS 5/18-3 has run. Supervised administration usually runs 12–18 months. Contested estates can take 18–36 months or longer.

The floor on that timeline is statutory: probate cannot close before Illinois’s creditor-claim period has run, regardless of how straightforward the estate is. Beyond that floor, the documented variables are the local court’s calendar, whether a federal estate tax return is required (Form 706 is due 9 months after death), whether real property must be sold, and whether the will is contested.

Assets passing outside probate — by beneficiary designation, joint ownership with survivorship, transfer-on-death instrument, or a funded living trust — are not subject to this timeline. Estates within Illinois’s small-estate threshold follow the shorter statutory procedure.

Frequently asked questions about probate timing in Illinois

How long does probate take in Illinois?

A routine Illinois estate administered independently typically closes in 9 to 12 months, because final distribution generally cannot occur until the 6-month creditor claims period under 755 ILCS 5/18-3 has run. Supervised administration usually runs 12–18 months. Contested estates can take 18–36 months or longer.

Why does probate take so long in Illinois?

The floor is the creditor claim period — the weeks or months during which anyone the deceased owed money must come forward. Until that window closes, the executor generally can’t safely distribute the estate, which is why even a simple Illinois probate rarely finishes faster than that period. (The exact Illinois window is in the section above.)

What’s the fastest way to settle an estate in Illinois?

Two things move fastest. If the estate is small enough, Illinois’s small-estate procedure skips full probate: Under 755 ILCS 5/25-1, an estate qualifies for a Small Estate Affidavit if the gross personal estate does not exceed $150,000 (raised from $100,000 effective August 15, 2025). The estate cannot contain Illinois real estate, and no letters of office can be outstanding. Vehicles registered with the Illinois Secretary of State can be transferred separately. And assets held in a funded living trust — or passing by beneficiary designation or joint ownership — avoid probate entirely, so the successor can usually distribute them within weeks.

What can delay probate in Illinois?

A contested will or family dispute, real estate that has to be sold, a federal estate-tax return, real property in another state (which needs a separate ancillary probate), or missing heirs can each add months — sometimes years — on top of the routine timeline.

Can the estate be distributed before probate is finished in Illinois?

Generally not until the creditor claim period has closed and any required tax returns clear. An executor who distributes too early can be held personally liable if a valid creditor claim later surfaces, so most wait until it’s safe.


This page explains Illinois probate timing in general terms as of 2026. It is not legal advice; deadlines and procedures change and depend on your specific situation. Confirm current figures with the Illinois courts or a licensed Illinois attorney. Sources: 755 ILCS 5/25-1, 755 ILCS 5/27-1, 755 ILCS 5/27-2, 755 ILCS 5/28-1, 755 ILCS 5/14-1, 755 ILCS 5/18-3, 755 ILCS 27 (Residential Real Property TOD Instrument Act).