Taxes on Selling an Inherited Home in Illinois

📘 Part of Inheriting a House in Illinois: The Complete Guide

Losing someone you love is hard enough — and then come the financial and legal questions you never expected to face. If you've recently inherited a home in Illinois and are thinking about selling it, understanding the tax implications is one of the most important steps you can take before signing anything.

This guide is designed to give you a clear, honest overview of taxes on selling an inherited home in Illinois — including how the federal stepped-up cost basis works, when capital gains taxes may apply, and what Illinois-specific rules you should know about. We are not a law firm and cannot give legal or tax advice, but we can help you understand the landscape so you can ask the right questions of the right professionals.

Why Inherited Property Is Taxed Differently Than a Home You Bought

When you inherit a home, the IRS does not treat it the same way it would treat a property you purchased yourself. Instead of using the original purchase price as your cost basis, the tax code generally allows heirs to use the property's fair market value at the date of the decedent's death. This is known as the stepped-up cost basis — and it can significantly reduce the capital gains taxes owed when the property is eventually sold.

Here's a simple example: Suppose your mother purchased a home in the Chicago suburbs in 1988 for $90,000. At the time of her passing, the home's fair market value was $320,000. If you sell the home for $330,000, your taxable gain is calculated from the stepped-up basis of $320,000 — meaning only $10,000 may be subject to capital gains tax, not the full $240,000 appreciation she experienced during her lifetime.

This provision is one of the most valuable aspects of inheriting property, and it's one reason why working with a qualified CPA or estate tax attorney early in the process is so worthwhile. The stepped-up basis is governed by IRC Section 1014 and applies to most inherited assets, including real estate.

Federal Capital Gains Tax on Selling an Inherited Home in Illinois

Capital gains tax is the federal tax applied to the profit you make when you sell an asset. For inherited property, the IRS automatically treats the gain as long-term, regardless of how long you personally held the property. This matters because long-term capital gains rates are typically lower than short-term rates.

As of current federal tax law, long-term capital gains rates for most individuals fall into one of three brackets:

• 0% — for lower-income filers
• 15% — for most middle-income filers
• 20% — for higher-income filers

Additionally, higher-income taxpayers may owe the 3.8% Net Investment Income Tax (NIIT) on top of capital gains, depending on their modified adjusted gross income. Your CPA or tax advisor can tell you which bracket applies to your situation.

One important note: if you sell the home quickly after inheriting it — particularly close to the date of death — there may be little to no taxable gain at all, since the sale price and the stepped-up basis would be nearly the same. Many families find this to be the most straightforward path during an estate transition.

Illinois State Income Tax on Inherited Property Sales

Illinois does not have a separate state capital gains tax. Instead, capital gains are taxed as ordinary income under the Illinois flat income tax rate, which is currently 4.95%. This applies to Illinois residents and, in some cases, to non-residents selling Illinois property.

If you are an out-of-state heir — which is common in estates where children have moved away from Illinois — you may still have an Illinois state income tax obligation from the sale of property located here. Illinois requires non-residents to file an Illinois return if they have income from Illinois sources, which includes gains from selling Illinois real estate.

Again, a tax professional who is familiar with multi-state estate situations can help you navigate this correctly. The Illinois Department of Revenue provides guidance on non-resident filing requirements, but every family's situation is different.

Does Illinois Have an Estate Tax or Inheritance Tax?

This is one of the most common questions families ask, and the answer is important to get right.

Illinois does not have an inheritance tax. You will not owe Illinois tax simply because you received an inheritance.

However, Illinois does have an estate tax — and it is separate from the federal estate tax. The Illinois estate tax applies to estates with a gross value exceeding $4 million (as of current law). This threshold is notably lower than the federal estate tax exemption, which is currently over $13 million per individual.

If the total value of the estate — including real estate, bank accounts, investments, and other assets — is under $4 million, no Illinois estate tax is owed. Estates above that threshold may owe Illinois estate tax on the portion exceeding the exemption, at marginal rates up to 16%.

The estate tax, if owed, is typically paid from the estate's assets before property is distributed to heirs — not by heirs personally after the sale. The executor or administrator of the estate, acting under the authority of the Illinois Probate Act of 1975 (755 ILCS 5) and supervised by the Circuit Court's probate division in the appropriate county, is generally responsible for ensuring estate taxes are settled before closing the estate.

The Role of Probate in the Sale of an Inherited Home

Before a home can be sold, it must be clear who has the legal authority to sell it. In many Illinois estates, this means going through the probate process. The Circuit Court — for example, the Cook County Circuit Court's Probate Division — appoints an executor or administrator and issues Letters of Office, which authorize that person to manage and sell estate property.

If the estate qualifies, Illinois allows a simplified process using a small-estate affidavit for estates with personal property valued under $100,000 — but this does not typically apply to real estate held solely in the decedent's name. Real property usually requires either formal probate or an alternative transfer mechanism such as a transfer-on-death deed or a trust.

Understanding how title will transfer is critical before any sale can move forward. A probate attorney can clarify the path for your specific estate, and a coordinated team of professionals — including a real estate specialist experienced with inherited properties — can help the transition go smoothly once authority is established.

Practical Steps for Heirs and Executors to Take Now

If you're managing an inherited property in Illinois and preparing for a potential sale, here is a general framework to help you move forward thoughtfully:

• Confirm the estate's probate status. Has an executor been named? Are Letters of Office in place? This determines who can legally authorize a sale.
• Obtain a professional appraisal. A certified appraisal establishes the fair market value at date of death, which is the foundation for calculating the stepped-up basis.
• Consult a CPA or estate tax attorney. Before the sale closes, understand your federal and Illinois income tax exposure. If the estate may exceed the $4 million Illinois estate tax threshold, involve an estate attorney early.
• Assess the property's condition and carrying costs. Property taxes, insurance, utilities, and maintenance continue to accrue. Understanding ongoing costs helps your family make a timely, informed decision.
• Explore all your options. Families have choices — including listing traditionally, working with an estate-experienced real estate professional, or exploring other coordinated solutions suited to the timeline and condition of the property.

Frequently Asked Questions

Do I owe taxes immediately when I inherit a home in Illinois?

No. Simply inheriting a home does not trigger an immediate tax bill. Illinois has no inheritance tax, and federal estate taxes (if applicable) are paid by the estate, not the individual heir. Tax obligations generally arise when the home is sold and a gain is realized above the stepped-up basis.

What if I inherit the home with siblings — how does that affect taxes on the sale?

When multiple heirs inherit a property together, each heir's share of the gain or loss is calculated individually based on their proportionate ownership. Each co-heir should report their share of the sale proceeds and adjusted basis on their own tax return. A CPA familiar with estate situations can help each heir understand their individual tax picture, especially if heirs live in different states.

Does living in the inherited home before selling it affect my taxes?

It can. If you move into the inherited home and use it as your primary residence for at least two of the five years before selling, you may qualify for the federal primary residence capital gains exclusion — up to $250,000 for single filers or $500,000 for married couples filing jointly. This is a separate benefit from the stepped-up basis and could reduce or eliminate capital gains tax on a later sale. A tax professional can help you evaluate whether this strategy makes sense for your situation.

You Don't Have to Figure This Out Alone

Navigating the taxes on selling an inherited home in Illinois is genuinely complex — and doing it while grieving makes it even harder. At Sell My Inherited Home, we work with families across Chicagoland who are managing inherited properties and need coordinated, compassionate support. We connect you with the right professionals, help you understand your options clearly, and walk alongside you at every step of the estate transition — with no pressure and no rushing.

If you have questions about your inherited property or simply want to talk through where to start, we invite you to reach out to our team. We're here to help you find peace of mind during a difficult time.

Important Disclaimer: Sell My Inherited Home (Probate Professionals of America, LLC) is not a law firm and does not provide legal or tax advice. The information in this article is provided for general educational purposes only. Please consult a licensed Illinois attorney and a qualified CPA or tax advisor for guidance specific to your estate and tax situation.

Related guides

• How to Transfer a Deed After Inheriting a House in Illinois
• What to Do With Parents' House in Kane County, Illinois
• Inheriting a House in Illinois: The Complete Guide