Gray Divorce: Keep the House or the $500K 401(k) at 60?

The decision, resolved: Diane’s $1M split in Georgia

Diane is 60, divorcing after 31 years, and filing as single going forward in Georgia. The two largest marital assets are nearly identical on paper: a paid-off home worth $500,000 and her husband’s traditional 401(k) worth $500,000. The mediator proposes the clean split — she takes the house, he keeps the 401(k). It looks like a perfect 50/50.

It is not. The 401(k) is pre-tax money. Every dollar that comes out is taxed as ordinary income. When Diane eventually needs that money — and she will, because a paid-off house generates zero income — she would owe tax at her bracket. At Georgia’s flat 5.39% state rate (stats.md §13) plus a 22% federal bracket, a $500K traditional 401(k) is worth roughly $365,000 in spendable cash, not $500,000. The house, meanwhile, is worth close to its full $500,000 because of the §121 exclusion and the eventual step-up in basis.

So the “equal” split actually hands Diane the more valuable asset by about $135,000 — if she can afford to carry it. That last clause is the whole decision. Below is the math, the controlling rules, and the liquidity test that tells you which asset you should actually fight for.

Why $500K of pre-tax 401(k) is not $500K

A traditional 401(k) holds money that has never been taxed. The contributions went in before tax, the growth compounded untaxed, and the IRS collects its share on the way out under ordinary-income rates — the same brackets that apply to wages (IRC §1; stats.md §1). That is fundamentally different from a paid-off house, where you already own the equity outright and the only tax event is a capital gain on sale, much of which the §121 exclusion erases.

To compare the two honestly, you discount the pre-tax account by the rate at which you will actually pull the money. Here is the haircut at the brackets a 60-year-old single filer typically lands in:

The 401(k) is worth somewhere between 73 and 78 cents on the dollar depending on your bracket and state. That is not a rounding error — on a $500K account it is a $110,000 to $137,000 gap that never shows up on the mediator’s spreadsheet because the spreadsheet lists statement balances, not after-tax values.

One important exception: if the retirement account is a Roth 401(k) or Roth IRA, this haircut disappears. Roth money is already after-tax, so $500K of Roth is genuinely worth $500K — arguably more than the house because it grows and withdraws tax-free with no RMD on a Roth IRA. Always ask which type of account you are splitting before you anchor on the balance.

The QDRO: how a 401(k) actually moves in divorce

You cannot just hand a 401(k) to a spouse. Splitting a qualified plan requires a Qualified Domestic Relations Order (QDRO) — a court order, separate from the divorce decree, that directs the plan administrator to carve out the awarded share. Done correctly, the transfer is not a taxable event and triggers no 10% early-withdrawal penalty, even though both spouses are under 59½.

The QDRO is also the one moment you can pull cash from a 401(k) penalty-free before 59½. Under IRC §72(t)(2)(C), a distribution paid directly to the alternate payee pursuant to a QDRO escapes the 10% penalty (you still owe ordinary income tax). This is the rare divorce lever that says: if you genuinely need liquidity, taking part of the 401(k) and cashing a slice of it penalty-free can beat taking an illiquid house. The penalty exemption is gone the moment you roll the QDRO money into your own IRA — so decide before you roll.

The liquidity trap: house rich, cash poor at 60

A paid-off house has one structural problem: it produces no income and costs money to hold. Property tax, insurance, and maintenance run roughly 1.5% to 2.5% of value per year — on a $500K home that is $7,500 to $12,500 annually in pure carrying cost, before a single repair you did not plan for.

If Diane takes the house and her ex keeps the 401(k), she owns a $500K asset that drains $10,000 a year and pays her nothing. Where does her living expense money come from? If the answer is Social Security plus a thin brokerage account, she is house rich and cash poor at exactly the age she needs spendable income. The 401(k), for all its tax haircut, can be turned into a paycheck. The house cannot — not without selling it, a HELOC, or a reverse mortgage, each of which adds cost or forces a move.

Run this three-step test before you commit to the house:

1. Annual carry. Estimate property tax + insurance + maintenance at 1.5%–2.5% of value. For a $500K house: $7,500–$12,500/yr.
2. Income coverage. Can you fund that carry plus normal living expenses from Social Security, pensions, and other liquid assets — without touching the home? If the carry alone exceeds ~28% of your single-filer income, the house is a liquidity trap.
3. Five-to-seven-year liquid runway. Hold enough liquid or pre-tax assets to fund 5–7 years of expenses outside the house. If keeping the house leaves you with under two years of runway, take more of the retirement account instead.

The two hidden advantages the house keeps

1. The §121 home-sale exclusion (but you lose half of it)

When you sell a primary residence, IRC §121 lets you exclude capital gain from tax — $250,000 for a single filer, $500,000 for a married couple filing jointly. Post-divorce, Diane files single, so she keeps only the $250K exclusion. If the house was bought decades ago with a low basis and has appreciated past $250K of gain, the excess is taxable at long-term capital-gains rates. That is the one place the house can bite — and the reason the timing of the sale relative to the divorce matters. (The sibling guide below runs that exclusion math in full.)

2. The step-up in basis at death (§1014)

This is the quiet winner. Under IRC §1014, when you die, the assets your heirs inherit get their cost basis reset to fair market value at the date of death. A house Diane bought for $90,000 that is worth $500,000 passes to her kids with a $500,000 basis — the entire $410,000 of built-in gain evaporates, untaxed, forever. A traditional 401(k) gets no step-up: heirs inherit the embedded income tax and, under the SECURE Act 10-year rule, must drain it within a decade, paying ordinary income tax the whole way (stats.md §5). For an asset you intend to pass to children, the house is dramatically more tax-efficient at death.

What most people miss: the RMD time bomb on the 401(k)

Whoever keeps the traditional 401(k) inherits a future they cannot opt out of: required minimum distributions. Under SECURE 2.0 §107, if you were born between 1951 and 1959, RMDs begin at age 73; born 1960 or later, age 75 (stats.md §4). At 73 the Uniform Lifetime divisor is 26.5, which forces out roughly 3.77% of the prior year-end balance — whether you need the money or not, all taxed as ordinary income.

On a $500K balance, that is about $18,900 of mandatory taxable income in year one, climbing as the divisor shrinks each year. Stack that on top of Social Security and it can push more of your benefits into the taxable range (50% taxable above $25K combined income, 85% above $34K for a single filer — stats.md §8) and even nudge you toward an IRMAA Medicare surcharge. Miss an RMD and the penalty is 25% of the shortfall (10% if corrected within the window). A house has no RMD, no forced income, no Social Security taxation spillover. For a retiree who values control over their taxable income, that is a real point in the house’s favor.

When the 401(k) is actually the better take

The house is not the automatic winner. Take the 401(k) (or a larger slice of it) when any of these is true:

• You need income, not shelter. If you will downsize or rent anyway, a $500K house you intend to sell is just delayed liquidity with a $250K exclusion ceiling and selling costs. The 401(k) becomes a paycheck immediately.
• It is a Roth account. Roth 401(k)/IRA money transfers at full after-tax value, grows tax-free, and a Roth IRA has no RMD. A $500K Roth beats a $500K house on almost every axis.
• Your carrying-cost test fails. If the house drains more than ~28% of your single income, keeping it manufactures a future forced sale on a bad timeline.
• You want penalty-free cash now. The QDRO window under §72(t)(2)(C) lets you pull a slice penalty-free before 59½ — a one-time lever the house cannot match.

The decision lever

Stop comparing statement balances. Convert every asset to after-tax value first: discount the traditional 401(k) by your withdrawal bracket (22% or 24% federal plus state — roughly a 22%–27% haircut), count Roth and the house near full value, and then ask the only question that decides it: can you fund 5–7 years of living expenses without touching the house? If yes, take the house — it is the higher after-tax asset, it carries the §121 exclusion and the §1014 step-up, and it has no RMD. If no, take the retirement account and the liquidity it buys, because a paid-off home you cannot afford to keep is the most expensive asset in any gray divorce.