The house can’t sell until the court says so.
Here is how that actually works.

What probate actually is

Probate is the court process that moves a deceased person’s property to the living. The court confirms the will is valid (if there is one), appoints someone to run the estate, gives creditors a window to make their claims, and then distributes whatever is left to the heirs. For most families, the house is the biggest thing in the estate — and it usually cannot change hands until the process reaches the right stage.

First, check whether you need probate at all: some houses pass outside of it. If title was held in joint tenancy with a surviving co-owner, sits in a living trust, or has a recorded transfer-on-death instrument, the house may transfer without the court’s involvement. Ten minutes with a probate attorney and a copy of the deed settles it.

If the house does have to go through probate, what follows is a sequence, not a maze. The mistake that costs families money is letting the house sit unmanaged while the sequence plays out.

Who actually has the authority to sell

Not the person named in the will. Not the oldest sibling. Not whoever has the keys. The only person who can sign a deed for an estate is the personal representative the court has formally appointed — called the executor when the will names them, or the administrator when there is no will and the court appoints someone, usually a close family member.

Authority starts when the court makes the appointment and issues the documents that prove it — commonly called letters. Any title company handling a probate sale will ask for them, because a deed signed without them does not hold up.

One more distinction worth raising with the estate’s attorney at the first meeting: depending on the state and how the estate is opened, the representative may be able to sell without a separate court order for each step (often called independent administration), or the court may need to approve the sale itself (supervised administration). Which track you are on changes your timeline.

The Illinois small-estate affidavit — what it can and cannot do

Illinois heirs hear about the small-estate affidavit constantly, so let’s be precise about it. The affidavit lets a small estate skip formal probate for personal property only — bank accounts, vehicles, belongings — when the estate falls under the limit: $150,000 for deaths on or after August 15, 2025, and $100,000 for deaths before that date.

Here is the part that matters if you are reading this page: the affidavit never transfers real estate. No matter how modest the house, the small-estate affidavit alone cannot convey title to it. Passing a house to heirs takes formal probate or a recorded transfer-on-death instrument. If anyone tells you the affidavit lets you skip probate and sell the house next week, they are wrong, and a title company will catch it even if nobody else does. Our Illinois inherited-house guide covers the affidavit, the probate timeline, and the tax rules in more depth.

The realistic timeline

Every state runs its own clock, and every county runs its own backlog. But the shape of the sequence is the same almost everywhere:

In Illinois, that adds up to six to seven months at the earliest, driven by the creditor window — and contested wills, missing heirs, and crowded court calendars all stretch the clock. What you control is what runs in parallel: pricing the house, choosing a buyer, and staging the paperwork so the sale closes the moment authority is clean.

The carrying costs that eat estates

Here is what families underestimate. The house does not pause while probate runs — every month it stands empty, it bills the estate:

That money comes out of the estate — which means it comes out of the heirs’ pockets, split however the will splits things. And if the plan after probate is a traditional listing, add an agent commission of about 6% and more months of the same carrying costs while the house sits on the market. The fix is having the sale lined up before the authority arrives, instead of starting the process afterward.

One warning that surprises families: a mortgage does not pause because the borrower died. If payments stop, the foreclosure clock can start even while the estate is in probate. If the house has a mortgage and nobody is paying it, read our Illinois foreclosure guide and check the dates on the foreclosure deadline calculator — then tell the estate’s attorney immediately.

Selling during probate vs. after — and where a cash sale fits

Selling after probate closes is the simplest version: authority is clean, the creditor window is handled, and the sale looks like any other. The cost of simple is the carrying-cost table above, paid in full.

Selling during probate is possible in many estates, and it is where sequencing pays. The estate can agree on a price early, get the contract signed, and have everything staged so the closing happens the moment the personal representative is cleared to sign. Months of carrying costs disappear because the sale and the court process run in parallel instead of in series.

This is also where a cash sale interacts with the court in a way a financed sale cannot. A mortgage buyer brings a rate lock, an underwriting clock, and an appraisal — none of which wait politely for a probate judge. If court approval adds six weeks, the financed deal often dies and the estate starts over. A cash buyer has no financing contingency and no rate lock: the closing date floats with the court’s schedule, the price holds, and the house sells as-is, so no heir fronts renovation money for a house the estate still owns. To see exactly how a cash number gets built, read how we make offers or run the cash offer estimator for a ballpark.

Two related situations, covered separately: if the inherited house has renters, read selling a house with tenants — the lease survives both the owner’s death and the sale. If the estate is tangled up with a divorce, the Illinois divorce sale guide covers getting the house down to one documented number.

Straight answers