Divorce involving substantial assets carries tax consequences that can significantly affect how much each spouse actually keeps after the settlement is finalized. Property transfers between spouses are generally tax-free under federal law, but capital gains, retirement account distributions, spousal maintenance, and changes to your filing status can all create unexpected tax obligations. Knowing these issues before you sign a settlement agreement is essential to protecting your financial future.
At Caesar & Bender, LLP, Chicago divorce attorneys Michael Ian Bender and Molly E. Caesar help clients navigate the financial aspect of high-asset divorces. Our high net worth divorce lawyers work to ensure that property division, maintenance, and asset transfers are structured with tax efficiency in mind.
This guide explains how property division triggers tax consequences, what happens with retirement accounts and the family home, how spousal maintenance is taxed, and what filing status changes mean for your bottom line after divorce. If you need help planning for the tax impact of a high-asset divorce, call our family law attorneys in Chicago at Caesar & Bender, LLP at (312) 236-1500 to schedule a consultation.
How Does Property Division Affect Your Taxes in Illinois?
Illinois follows an equitable distribution model for dividing marital property. Under the Illinois Marriage and Dissolution of Marriage Act (IMDMA), specifically 750 ILCS 5/503(d), courts must divide marital property in “just proportions” based on twelve statutory factors. One of those factors, listed under 750 ILCS 5/503(d)(12), is the tax consequences of the property division upon the respective economic circumstances of the parties.
This means that Illinois courts are required to consider how taxes will affect each spouse when deciding who receives which assets. An asset worth $1 million on paper may be worth considerably less after accounting for capital gains taxes, depreciation recapture, or early withdrawal penalties. Because of this, what looks like an equal split can turn out to be unfair if taxes are not considered during negotiations.
Under Internal Revenue Code (IRC) § 1041, transfers of property between spouses incident to a divorce are generally not taxable events. The transferring spouse recognizes no gain or loss, and the receiving spouse takes over the transferor’s original tax basis in the property. This “carryover basis” rule is critical in high net worth divorces because it determines the tax bill the receiving spouse may face when they eventually sell the asset.
For example, if one spouse receives stock that was originally purchased for $100,000 but is now worth $500,000, the receiving spouse’s tax basis remains $100,000. If they later sell that stock, they could owe capital gains taxes on $400,000 in appreciation, even though they had no role in purchasing the asset. This is why it is important to evaluate each asset’s after-tax value rather than its face value during settlement negotiations.
Key Takeaway: Property transfers between spouses during divorce are tax-free under IRC § 1041, but the receiving spouse inherits the original tax basis. This means appreciated assets may carry significant hidden tax liabilities that should be factored into any equitable division.
What Are the Capital Gains Tax Risks in a High-Asset Divorce?
Capital gains taxes are one of the most significant tax risks in a high net worth divorce. Appreciated assets such as real estate, stocks, business interests, and investment accounts all carry built-in tax liabilities that may not be immediately obvious during negotiations.
How Do Capital Gains Apply to Investment Assets?
When one spouse receives appreciated investments such as stocks, mutual funds, or real estate holdings, the carryover basis rule under IRC § 1041 applies. The receiving spouse assumes the original purchase price as their tax basis. If they later sell those assets, the difference between the sale price and the original basis is subject to capital gains tax.
Long-term capital gains (assets held more than one year) are generally taxed at federal rates of 0%, 15%, or 20%, depending on income. Some high-income taxpayers also owe the 3.8% Net Investment Income Tax (NIIT) on the lesser of their net investment income or the amount their MAGI exceeds the NIIT threshold. Illinois also taxes capital gains at its 4.95% individual income tax rate. Depending on your income and whether NIIT applies, the combined federal and Illinois tax on long-term gains can be close to 29% for top earners.
What About the Family Home?
The marital home often represents one of the largest assets in a Chicago divorce. Under IRC § 121, homeowners can exclude up to $250,000 in capital gains from the sale of a primary residence if they are single, or up to $500,000 if married and filing jointly. To qualify, the owner must have lived in the home for at least two of the five years before the sale.
Timing matters significantly in a high-asset divorce. If the couple sells the home before the divorce is finalized and files a joint return, they may qualify for the full $500,000 exclusion. If one spouse keeps the home and sells it after the divorce, the exclusion drops to $250,000. For homes with substantial appreciation, this difference can result in a six-figure tax bill.
IRC § 121(d)(3)(B) provides one important protection for divorcing spouses. If one spouse is granted use of the home under a divorce or separation instrument, the other spouse is treated as if they still use the home as their principal residence. This can help preserve eligibility for the exclusion even after one spouse moves out.
High Net Worth Divorce Attorney in Chicago – Caesar & Bender, LLP
Michael Ian Bender, Esq.
Michael Ian Bender, Esq., is a co-founding partner of Caesar & Bender, LLP and a former Domestic Relations Judge for the Circuit Court of Cook County. He earned his J.D. cum laude from the University of Illinois Chicago School of Law, where he served on the Law Review Editorial Board, and holds an LL.M. with Honors in Information Technology and Privacy Law from the same institution.
Molly E. Caesar, Esq.
Molly E. Caesar, Esq., is a co-founding partner of Caesar & Bender, LLP and an Adjunct Professor at DePaul University College of Law, where she previously served on the school’s Family Law Advisory Board. She graduated summa cum laude from DePaul University College of Law and was inducted into the Order of the Coif National Honor Society. Ms. Caesar has been recognized by Super Lawyers from 2025 to 2026 and was named a Rising Star from 2018 to 2024, an honor awarded to no more than 2.5% of attorneys in Illinois.
How Are Retirement Accounts Divided Without Tax Penalties?
Retirement accounts are among the most common high-value assets in a divorce, and improper handling can trigger immediate tax consequences and penalties. The method for dividing these accounts depends on the type of account involved.
What Is a Qualified Domestic Relations Order?
Employer-sponsored retirement plans such as 401(k)s, 403(b)s, and pensions are governed by the Employee Retirement Income Security Act (ERISA). Certain pensions in Illinois are also governed by the Illinois Pension Code. These accounts can only be divided through a Qualified Domestic Relations Order (QDRO) or a QILDRO (for pensions governed by the Illinois Pension Code), which is a court order that directs the plan administrator to transfer a portion of the account to the non-participant spouse.
When a QDRO is properly drafted and executed, the transfer itself is tax-free. The receiving spouse, known as the “alternate payee,” can roll the funds into their own Individual Retirement Account (IRA) or another qualified retirement plan without triggering taxes. However, if the alternate payee chooses to take a cash distribution instead of rolling over the funds, the distribution is subject to ordinary income tax. One notable benefit is that if an employer plan makes a distribution to the alternate payee under a QDRO, the 10% early-distribution penalty generally does not apply. However, if the alternate payee rolls the funds into an IRA and later takes money out before age 59½, the usual IRA early-withdrawal rules may apply.
How Are IRAs Divided?
Individual Retirement Accounts do not require a QDRO for division. Instead, the divorce decree or settlement agreement must specify the transfer. A direct trustee-to-trustee transfer from one spouse’s IRA to the other spouse’s IRA is not a taxable event. However, if the receiving spouse withdraws funds rather than completing a rollover, the withdrawal is subject to ordinary income tax and, if the spouse is under 59½, the 10% early withdrawal penalty.
| Account Type | Division Method | Tax on Transfer | Early Withdrawal Penalty |
|---|---|---|---|
| 401(k) / 403(b) | QDRO required | Tax-free if rolled over | No penalty for alternate payee |
| Pension | QDRO required | Tax-free if rolled over | No penalty for alternate payee |
| Traditional IRA | Transfer incident to divorce (direct trustee-to-trustee) | Tax-free if done as a direct transfer | 10% penalty can apply to later withdrawals if under 59½ (unless an exception applies) |
| Roth IRA | Divorce decree transfer | Tax-free if direct rollover | Varies by contribution vs. earnings |
How Does Spousal Maintenance Affect Taxes After Divorce?
Spousal maintenance, commonly called alimony, underwent a major tax change under the Tax Cuts and Jobs Act (TCJA) of 2017. For all divorce or separation agreements executed after December 31, 2018, maintenance payments are no longer tax-deductible for the paying spouse and are not considered taxable income for the receiving spouse. The Internal Revenue Service (IRS) confirmed this change applies to all post-2018 divorce agreements.
This change has a significant impact on high net worth divorces. Before the TCJA, a spouse paying $100,000 per year in maintenance could deduct that amount from their taxable income. The receiving spouse would report it as income, but typically at a lower tax bracket. This arrangement often created a net tax savings for both parties. Under current law, the paying spouse receives no tax benefit, and the full cost of maintenance comes out of after-tax income.
Under Illinois law, 750 ILCS 5/504 provides a guideline formula for calculating maintenance when the couple’s combined gross annual income is below $500,000. The formula calculates maintenance as 33⅓% of the payor’s net annual income minus 25% of the payee’s net annual income, with a cap preventing the payee from receiving more than 40% of the combined net income. When the combined gross income exceeds $500,000, as it often does in high net worth cases, the court has broad discretion to set the amount and duration of maintenance.
Because maintenance is no longer tax-deductible, high-income spouses may want to consider alternative settlement structures. These can include lump-sum property transfers, creative asset division, or structured payments that achieve similar financial outcomes with greater tax efficiency.
Key Takeaway: Spousal maintenance is no longer tax-deductible for the payer or taxable to the recipient for divorces finalized after December 31, 2018. In high net worth cases where combined income exceeds $500,000, the court has discretion over the amount and duration, and creative settlement structures may offer better tax outcomes.
How Does Your Filing Status Change After Divorce?
Your tax filing status for any given year is determined by your marital status on December 31 of that year. If your divorce is finalized at any point during the year, the IRS considers you unmarried for the entire year. This means you can no longer file as “married filing jointly” and must instead file as “single” or, if you qualify, “head of household.”
The timing of your divorce can have meaningful tax implications. In some cases, the timing of a divorce before or after December 31 can change whether you qualify to file jointly for that tax year, which may affect the overall tax result. This is a strategic decision that should involve input from both a divorce attorney and a tax professional.
In Illinois, the state income tax rate is a flat 4.95% regardless of filing status. However, the federal tax bracket differences between joint and single filing can be substantial, particularly for high-income earners. Losing access to the married filing jointly brackets can result in thousands of dollars in additional federal tax liability.
What Tax Issues Arise with Business Interests in Divorce?
Business ownership adds layers of complexity to the tax consequences of a high net worth divorce. Whether the business is a sole proprietorship, partnership, Limited Liability Company (LLC), S corporation, or C corporation, dividing or buying out a spouse’s interest requires careful tax planning.
When one spouse retains the business and compensates the other spouse with an equalizing payment or other assets, the transaction is generally tax-free under IRC § 1041, provided the transfer is incident to the divorce. However, the after-tax value of the business itself must account for embedded capital gains, depreciation recapture, and any deferred compensation obligations.
A business valued at $5 million may carry a much lower after-tax value if, for example, a significant portion of its assets have a low tax basis or if selling the business would trigger substantial capital gains. Forensic accountants and business valuation experts typically calculate both the fair market value and the “net-of-tax” value to provide a more accurate picture of what each spouse actually receives.
Stock options, restricted stock units (RSUs), and deferred compensation are common in Chicago’s corporate and financial sectors. In Illinois, stock options, RSUs, and other equity compensation earned during the marriage are often treated as marital property, including awards that are not yet vested, depending on why the compensation was granted and what time period it was meant to reward. The tax treatment of these instruments depends on when the options are exercised or vested, the type of option, and whether the exercise triggers ordinary income or capital gains treatment.
What Other Tax Consequences Should You Consider?
Beyond property division and maintenance, several additional tax issues can affect the financial outcome of a high net worth divorce.
Child-Related Tax Benefits
Only one parent can claim a child for federal tax benefits in a given year. In most cases, the custodial parent (the parent the child lives with for more than half the year) is the one who can claim the child. Parents can agree to let the noncustodial parent claim certain benefits, but the IRS usually requires the custodial parent to sign a release (often IRS Form 8332 or a similar written statement). Also, some benefits, like head of household status and the Earned Income Tax Credit, generally follow where the child actually lives and usually cannot be transferred by agreement. Clear, tax-specific language in the settlement can reduce IRS disputes later.
Tax Refunds and Liabilities from Joint Returns
Tax refunds from joint returns filed during the marriage are considered marital property under Illinois law and must be divided equitably. Similarly, any outstanding tax liabilities from previously filed joint returns may need to be allocated between the spouses as part of the divorce settlement. If one spouse underreported income or claimed improper deductions, the other spouse may need to file for “innocent spouse relief” with the IRS to avoid liability.
Estate and Gift Tax Considerations
High net worth individuals should also consider how divorce affects their estate plans. Transfers between spouses during marriage are generally not subject to gift tax because of the unlimited marital deduction. After a divorce, that automatic spouse-to-spouse gift tax protection no longer applies. However, many transfers made under a written divorce or separation agreement can still avoid gift tax treatment. Transfers made to a former spouse outside the divorce framework can create gift tax issues, so high net worth spouses should coordinate the settlement terms with estate and tax professionals. After the divorce is finalized, you may want to review and update the following:
- Wills and living trusts to remove your former spouse as a beneficiary or executor
- Beneficiary designations on life insurance policies, retirement accounts, and investment accounts
- Powers of attorney and healthcare directives that name your former spouse as agent
- Revocable trusts that include provisions for your former spouse
Failing to update these documents can result in unintended transfers of wealth to a former spouse and may create avoidable tax obligations for your estate.
Key Takeaway: Child-related tax credits, joint return liabilities, and estate planning documents all require attention during and after a high net worth divorce. Failing to address these issues in the settlement agreement can lead to costly surprises at tax time.
Protect Your Assets With a Chicago High Net Worth Divorce Lawyer
A high net worth divorce involves financial decisions that can affect your tax obligations for years. From capital gains on appreciated assets to the loss of the alimony deduction, every element of the settlement has potential tax implications that require careful analysis.
Call Caesar & Bender, LLP at (312) 236-1500 to schedule a consultation. Our office is located at 150 N Michigan Ave, Suite 2130, Chicago, IL 60601. We serve families across Chicago and Cook County and can help you understand the tax consequences of your divorce before you finalize your settlement.