Capital Gains Tax and the Section 121 Exclusion: What Divorcing Homeowners in Minneapolis–St. Paul Need to Know Before They Sell
When a marriage ends, the family home is often the largest asset on the table — and one of the most misunderstood from a tax perspective. Divorcing spouses frequently focus on who gets the house or what it's worth today, but overlook a question that can be worth tens of thousands of dollars: how much of the profit from selling that house will actually be taxed?
The answer often comes down to timing — specifically, whether the sale happens before the divorce is final or after — and whether both spouses understand IRS Section 121, the home sale capital gains exclusion.
As a Certified Divorce Real Estate Expert® (CDRE®), Shannon does not provide tax advice. However, she helps ensure that her clients and their attorneys recognize when it is appropriate to involve a CPA or Certified Divorce Financial Analyst® (CDFA®), helping prevent costly financial consequences tied to the timing of a property sale.
The Basics: What Section 121 Actually Excludes
Under IRC Section 121, when you sell your principal residence, you can exclude a portion of the capital gain from federal income tax:
Up to $250,000 of gain for a single filer
Up to $500,000 of gain for a married couple filing a joint return
To qualify, you generally need to meet two tests during the 5-year period ending on the date of sale:
Ownership Test — you owned the home for at least 2 years (24 months)
Use Test — you used the home as your principal residence for at least 2 years (24 months)These don't need to be consecutive months, and the exclusion applies to gain (sale price minus adjusted basis and selling costs) — not to the sale price itself.
Why Timing the Sale Matters So Much in a Divorce
This is where divorce can create a significant financial decision point.
When a marital home is sold while the couple is still legally married and they file a joint federal tax return, they may qualify to exclude up to $500,000 of capital gain. Generally, at least one spouse must satisfy the ownership requirement, while both spouses must individually satisfy the residence requirement and neither may have used the exclusion on another home during the applicable two-year period.
If the home is sold after the divorce is finalized, each former spouse may potentially exclude up to $250,000 of gain allocated to their ownership interest. Eligibility depends on the specific facts, including ownership, use of the home as a principal residence, prior use of the exclusion and special rules that may apply to divorced or separated taxpayers.
Therefore, a post-divorce sale does not automatically eliminate $250,000 of available exclusion. In some cases, the former spouses may still qualify for a combined exclusion of up to $500,000. In others, the timing of the sale, the divorce decree, occupancy arrangements or the transfer of ownership may reduce the exclusion available to one or both parties.
With the substantial appreciation many Twin Cities homeowners have experienced, these details can mean the difference between excluding the entire gain and facing an unexpected federal tax liability. The potential tax consequences should be reviewed with a qualified tax professional before the sale terms and timing are finalized.
The Special Rule That Protects the Spouse Who Moves Out
One of the most misunderstood pieces of Section 121 is what happens when one spouse moves out of the marital home before the divorce is final — often required by an Order for Protection, a temporary order, or simple practicality — while the other spouse and children remain in the house.
Normally, this would put the departing spouse's "use test" at risk, since they're no longer living there. But the tax code includes a specific carve-out for divorcing couples: if a divorce or separation instrument gives the departing spouse continued ownership interest in the home, that spouse can count the time their ex-spouse continues to live in and use the property toward their own use test. In plain terms — moving out doesn't automatically disqualify the departing spouse from the exclusion, if the paperwork is structured correctly.
This is exactly why real estate decisions, divorce attorneys, and tax professionals need to be coordinating — not operating in silos.
What Happens When One Spouse Keeps the House
When one spouse buys out the other's equity and keeps the home — rather than selling it on the open market — a different rule applies. Property transfers between spouses "incident to divorce" are generally not a taxable event at the time of transfer. But the spouse who keeps the house also keeps the original cost basis, including the portion attributable to the departing spouse.
That matters enormously down the road: if the retained spouse later sells the home as a single filer, they'll only have access to the $250,000 exclusion (unless they remarry or qualify under another rule) — and they'll be sitting on the entire accumulated gain, including appreciation that happened while both names were on the title. A house that felt like a "clean win" in the divorce can turn into a much larger tax bill years later than either spouse expected.
Practical Takeaways for Divorcing Homeowners
Get a preliminary gain estimate early. Before deciding whether to sell now, sell later, or have one spouse buy out the other, know roughly what the taxable gain would be under each scenario.
Track your basis. Original purchase price, qualifying capital improvements, and selling costs all reduce taxable gain — but only if they're documented.
Coordinate the sale timeline with your attorney and a CPA or CDFA. A few weeks' difference in a closing date, tied to when the divorce judgment is entered, can change which exclusion applies.
Don't assume "we'll just split it and figure out taxes later." Whoever keeps the house inherits the tax exposure that goes with it — that should be factored into how the overall marital estate is divided, not treated as an afterthought.
Loop in a real estate professional trained in divorce transactions early, so pricing, timing, and closing coordination support the tax and legal strategy rather than working against it.
Section 121 is one of the most valuable tax benefits available to homeowners — but in a divorce, it's easy to lose track of it amid custody schedules, asset division spreadsheets, and emotional strain. A well-timed sale, structured with input from the right professionals, can preserve tens of thousands of dollars in equity that would otherwise go to the IRS.
If you're navigating a home sale or buyout during a divorce in Minneapolis, St. Paul, or the greater Twin Cities, Shannon works alongside your attorney, mediator, estate planners, and financial professionals to help make sure the real estate side of your settlement supports — rather than undermines — your financial outcome.
Shannon Lindstrom is a REALTOR® with RE/MAX Results and a Certified Divorce Real Estate Expert® (CDRE®) serving Minneapolis, St. Paul, and the greater Twin Cities. She works collaboratively with divorce attorneys, mediators, and financial professionals to help clients navigate real estate decisions before, during, and after divorce.
Shannon Lindstrom, REALTOR® Certified Divorce Real Estate Expert (CDRE®) | MILRES® | MRP® | VCA®
RE/MAX Results — Serving Minneapolis, St. Paul & the Twin Cities
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Shannon Lindstrom, REALTOR® Certified Divorce Real Estate Expert (CDRE®) | MILRES® | MRP® | VCA®
RE/MAX Results — Serving Minneapolis, St. Paul & the Twin Cities
Disclaimer: This article is provided for general educational and informational purposes only and does not constitute legal, tax, or financial advice. Real estate agents, including Certified Divorce Real Estate Experts (CDRE®), are not licensed to provide tax or legal advice. Every divorce and every property is different, and tax outcomes depend on individual facts, timing, and current IRS rules. Please consult a qualified CPA, tax attorney, or Certified Divorce Financial Analyst (CDFA) regarding your specific situation before making any decisions about the sale, transfer, or division of real property in a divorce.