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Keeping the Farm in the Family: Navigating the Illinois Estate Tax Maze

By Joseph B. Ott of Schmiedeskamp Robertson Neu & Mitchell LLP, Illinois Estate Planning Attorney

Illinois is built on agriculture. Drive across our state, and you'll see the vast fields and well-kept farmsteads that represent generations of hard work, dedication, and family legacy. For many Illinois farm families, the ultimate goal is to pass this legacy – the land, the equipment, the operation – down to the next generation. However, a significant, often underestimated hurdle stands in the way: the Illinois Estate Tax.


As an attorney practicing estate planning in Illinois, I frequently work with farm families grappling with this very issue. While federal estate tax laws currently have a very high exemption threshold ($13.99 million per person in 2025), Illinois operates with its own, separate estate tax system with a much lower threshold.

Understanding the Illinois Estate Tax


Here’s the critical part: Illinois imposes an estate tax on estates valued at over $4 million . This might sound like a lot, but for farm families, it's surprisingly easy to reach this threshold, even if the farm isn't generating massive annual profits.

Why? Because a farm's primary asset is often the land itself. Decades of land appreciation, combined with the value of buildings, machinery, livestock, and other assets, can easily push the total value of a farm estate well beyond the $4 million mark.


CRITICAL POINT: No Portability in Illinois : This is a major difference from federal law. "Portability" is the federal concept allowing a surviving spouse to use any unused portion of their deceased spouse's federal estate tax exemption. Illinois does NOT offer portability for its state estate tax . Each Illinois resident has their own $4 million exemption. If a spouse dies having used only part (or none) of their Illinois exemption, the unused portion is simply lost – it cannot be transferred to the surviving spouse for later use. This "use it or lose it" aspect makes state-specific planning essential for married couples.


The Specific Challenge for Farm Families


The combination of the $4 million threshold and the lack of portability creates unique challenges for Illinois farm families: This presents a unique and difficult challenge for farm families:


1. Asset Rich, Cash Poor: Farms are often high in asset value (land, equipment) but may not have large amounts of liquid cash readily available. Paying a hefty estate tax bill often means needing cash quickly.


2. Illiquidity of Assets : You can't just sell half a tractor or a few acres in the middle of a field overnight to pay the tax bill without severely impacting the farm's viability.


3. Forced Sales : The worst-case scenario, and one we strive to avoid, is the forced sale of land, equipment, or livestock simply to generate the cash needed to pay the Illinois estate tax. This can break up a family farm that has been cultivated for generations, directly contradicting the family's wishes.


4. "Use It or Lose It" Exemptions : Without portability, married couples cannot simply rely on the surviving spouse inheriting everything and then using both exemptions later. Proactive planning is needed to utilize the exemption of the first spouse to die.


Planning is Not Optional, It's Essential


The good news is that with proactive and knowledgeable estate planning, the impact of the Illinois estate tax can often be significantly minimized, or even eliminated, allowing the farm to pass successfully to the next generation.


Here are some strategies we commonly discuss and implement with Illinois farm families:


1. Accurate Valuation: Understanding the true current value of your farm assets is the first step.


2. Utilizing Trusts: Structures like Bypass Trusts (also known as Credit Shelter Trusts or AB Trusts) can help married couples effectively utilize both spouses' $4 million Illinois exemptions, potentially shielding up to $8 million from state estate tax. Other types of trusts can hold specific assets or life insurance policies.


3. Lifetime Gifting: Strategically gifting portions of the farm or other assets during your lifetime can reduce the overall value of your taxable estate. There are annual federal gift tax exclusions ($19,000 per recipient in 2025) and lifetime gift/estate tax exemptions to consider.


4. Life Insurance: Obtaining sufficient life insurance, often held within an Irrevocable Life Insurance Trust (ILIT), can provide the necessary liquidity to pay estate taxes without forcing the sale of farm assets.


5. Business Structure: Organizing the farm operation as an LLC, Family Limited Partnership (FLP), or corporation can sometimes facilitate easier gifting of ownership interests and potentially allow for valuation discounts, although this requires careful planning and adherence to formalities.


6. Special Use Valuation (Section 2032A) : Understanding if farm assets might qualify for valuation based on their farming use rather than highest-and-best-use (e.g., development potential) can be part of the overall strategy, though its direct application to reducing Illinois estate tax specifically can be complex and requires careful analysis.


Don't Wait Until It's Too Late



The Illinois estate tax is a real threat to the transfer of family farms. But it's a threat that can be managed with foresight and planning. Waiting until health declines or death is imminent severely limits the available options.


If you own a farm in Illinois, it is crucial to sit down with an experienced Illinois estate planning attorney who understands agricultural law and the specific nuances of the Illinois estate tax. We can help you assess your situation, understand your potential liability, and develop a tailored plan to protect your assets and ensure your farming legacy continues for generations to come.

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Disclaimer: This article is for informational purposes only and does not constitute legal advice. Estate planning is complex and situation-specific. You should consult with a qualified Illinois attorney to discuss your individual circumstances and goals. This article was prepared with drafting assistance from AI tools and finalized following review and verification by SRNM LLP.