Survivorship Marital Property in Wisconsin: Probate Bypass and the 120-Hour Trap

If you are married in Wisconsin and own a home, the single most valuable sentence in your estate plan may be a title designation you have never heard of. Survivorship marital property lets a house pass to the surviving spouse instantly at death — no probate, no court filing, no waiting — and it carries a capital gains tax benefit that common-law states cannot match. It also hides a trap that has already cost blended families half a house.

Here is how the designation works, what it saves, and where it breaks.

How Survivorship Marital Property Works

Wisconsin's Marital Property Act (Chapter 766, in force since January 1, 1986) presumes that property acquired during marriage belongs to both spouses equally. Titling an asset as survivorship marital property adds a right of survivorship on top of that 50/50 ownership: when one spouse dies, the decedent's half transfers to the survivor by operation of law.

The transfer happens outside probate entirely. To clean up the real estate records, the survivor records a simple form — the HT-110, Termination of Decedent's Interest — with the county Register of Deeds for a flat $30 fee. Compare that to the alternative: an individually titled home is a probate asset, and a home alone usually pushes an estate past the $50,000 small-estate threshold, forcing full court administration with its 0.2% inventory fee and months of process.

Couples can title new purchases this way from the start, or re-title an existing home by executing a new deed or a marital property agreement. Because Wisconsin homestead rules require both spouses' signatures for any transaction affecting the homestead — sale, mortgage, or retitling — this is always a joint decision.

The Tax Benefit: A Double Step-Up in Basis

This is the part worth real money. When an appreciated asset is inherited, its tax basis "steps up" to the value at the date of death, erasing the capital gain that built up during the owner's life.

In common-law states, jointly held property typically gets a step-up on only the decedent's half — the survivor still owes capital gains on their own half's appreciation when they sell. Because Wisconsin treats marital property as wholly community-style property, both halves receive a stepped-up basis at the first death. A couple who bought a home for $120,000 that is worth $380,000 when the first spouse dies: the survivor's new basis is the full $380,000. Sell the next year, and the $260,000 of appreciation is never taxed.

For modest estates below every estate-tax threshold, this income-tax benefit is frequently the largest dollars-and-cents estate planning decision a family makes.

The 120-Hour Trap for Blended Families

Survivorship designations come with a statutory catch: under Wis. Stat. § 854.03, the surviving spouse must outlive the decedent by at least 120 hours (five days) for the survivorship transfer to take effect. If both spouses die from a common accident within days of each other, the law treats each as having predeceased the other — and the survivorship feature fails.

Wisconsin's North case shows exactly how this plays out. A husband and wife owned their homestead as survivorship marital property. He had children from a prior relationship; her will left everything to her own chosen heir. He died first; she died less than 120 hours later. The survivorship failed, so his half of the house passed into his estate and on to his children — while her half went to her heir. Each side ended up co-owning half a house with the other family.

For first-marriage couples with shared children, the 120-hour outcome is usually acceptable. For blended families, it can disinherit the people you meant to protect in either direction. The fix is deliberate drafting: wills and trusts can waive or extend the survival period and specify alternate distributions for near-simultaneous deaths, rather than letting the statute decide. Couples in second marriages should treat this as a must-discuss item — the intestacy rules that fill any gap are even less friendly to stepfamilies.

Limits to Know Before You Rely on It

• It only works between spouses. Unmarried couples need joint tenancy with right of survivorship or a TOD deed instead.
• It does not shield the home from Medicaid estate recovery. Wisconsin's expanded-estate rules reach survivorship transfers; if long-term care costs are a concern, read the Medicaid estate recovery overview and consider elder-law counsel.
• It is revocable only jointly while both spouses are alive — either spouse acting alone cannot undo the other's interest, which is the point.
• Creditor claims survive it. Probate avoidance is not debt avoidance.

Survivorship marital property is one piece of the Wisconsin marital property toolkit — the broader picture, including the Marital Property Act's classification rules, determines how the rest of your assets behave. For most married couples, confirming the house is titled this way, then pairing it with wills and beneficiary designations, is the core of a probate-free plan. The Wisconsin Basic Estate Planning Kit walks through the titling check alongside the will, powers of attorney, and TOD deed instructions that complete the picture.

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