How do you calculate home equity in a divorce? Home equity equals the home's current market value minus the outstanding mortgage balance. Each spouse's share is then determined by the agreed or court-ordered split — commonly 50/50, but not always. The spouse who keeps the home typically pays the other their portion of equity in cash, usually by refinancing the mortgage into their name alone.

For most couples, the family home is the single largest asset in the marriage. It's also often the most emotionally charged. Whether you're hoping to stay in the house or figuring out what a fair buyout looks like, understanding the numbers is the first step.

This article walks through how home equity is calculated, how courts generally approach dividing it, what a buyout actually requires, and when selling the home outright may make more financial sense than a buyout.

What Is Home Equity?

Home equity is the portion of the home's value that you actually own — the difference between what the home is worth and what you still owe on the mortgage.

If your home is currently worth $400,000 and you owe $250,000 on the mortgage, your total home equity is $150,000. That equity is what gets divided in a divorce.

One thing that surprises many people: equity is not the same as what you'd walk away with in a sale. When a home sells, there are costs — typically 5% to 8% of the sale price for real estate commissions, closing costs, and any repairs. A $400,000 home might net $368,000 to $380,000 after those expenses. Courts and attorneys often factor these costs into settlement negotiations, especially when a sale is part of the plan.

How to Calculate Your Home Equity

Three numbers determine your home equity: the current market value, the mortgage payoff amount, and any other liens on the property.

Step 1 — Get the current market value. This is ideally established by a formal appraisal from a licensed appraiser. Divorcing couples sometimes hire a single neutral appraiser to keep costs down, or each hires their own and splits the difference if the valuations diverge. Online estimate tools (like Zillow or Redfin) can give a rough starting point, but they're not binding and can be significantly off in some neighborhoods.

Step 2 — Find the mortgage payoff amount. This is not your outstanding balance from last month's statement — it's the payoff figure, which your lender can provide. The payoff amount includes accrued interest and may differ slightly from the balance shown on your statement.

Step 3 — Account for any other liens. Home equity lines of credit (HELOCs), second mortgages, or contractor liens all reduce your net equity. Subtract all secured debt from the home's value, not just the first mortgage.

The formula is simple: Home Value − Total Mortgage Debt = Net Equity.

How Courts Generally Divide Home Equity

How equity gets split depends heavily on which state you live in.

In community property states — Arizona, California, Idaho, Louisiana, Nevada, New Mexico, Texas, Washington, and Wisconsin — property acquired during the marriage is generally considered jointly owned. Courts in these states commonly start from a 50/50 split of marital equity. That said, outcomes can vary based on factors like whether one spouse made a larger down payment from separate funds, or whether part of the equity traces to a pre-marital asset. A 50/50 starting point is not a guarantee.

In equitable distribution states — which covers the remaining 41 states — courts divide marital property in a way a judge considers fair, which isn't automatically equal. Factors that may influence the division include the length of the marriage, each spouse's financial and non-financial contributions, each spouse's earning capacity going forward, and who has primary custody of children (relevant when one parent wants to keep the children in the same school district). A 50/50 split is common in practice for long marriages, but the actual percentage varies.

Many couples settle without ever seeing a judge. If you and your spouse can agree on a split — even one that isn't 50/50 — courts generally honor that agreement as long as it appears reasonable and both parties had access to legal advice.

What Is a Divorce Home Buyout?

A buyout is when one spouse pays the other for their share of equity and takes full ownership of the home. Instead of selling the house and splitting the proceeds, one person stays and compensates the other for the equity they're giving up.

The buyout amount is simply the departing spouse's share of the net equity. If total equity is $150,000 and the split is 50/50, the buyout is $75,000. The keeping spouse pays that amount to the other — usually not out of pocket, but by refinancing the mortgage for a higher loan amount that covers the buyout.

A quitclaim deed is typically used to transfer the title (the legal ownership of the property) from both spouses into the keeping spouse's name alone. This is a separate step from the mortgage — title and debt are handled independently.

A divorce decree does not remove your spouse from the mortgage. Only the lender can do that — and only through a refinance. If the keeping spouse doesn't refinance, the departing spouse remains legally on the hook to the lender if payments are missed, regardless of what the divorce agreement says.

Can You Afford to Buy Out Your Spouse?

This is the question many people avoid asking until it's urgent: can the keeping spouse actually qualify for the mortgage on their own?

Refinancing into a new loan in one name requires passing a standard mortgage qualification process — credit score, debt-to-income ratio, income documentation. If the keeping spouse's income alone isn't sufficient to qualify for the new loan (which may be larger than the original), the buyout may not be feasible without creative financing or a different agreement.

The refinanced loan will typically need to cover two things: the remaining mortgage balance and the buyout amount owed to the departing spouse. Using the example above — $250,000 mortgage balance plus a $75,000 buyout — the keeping spouse would need to qualify for a $325,000 mortgage on their own income. Whether that's achievable depends on current interest rates and the keeping spouse's financial profile.

If the keeping spouse can't qualify, there are a few paths: the departing spouse can agree to a lower buyout amount to make the loan more manageable, the couple can sell the home and split the proceeds, or the couple can agree to co-own the home for a period (for example, until children graduate from high school) and sell later.

Worked Example — Home Equity Buyout

Worked Example — Home Equity Buyout in an Equitable Distribution State

This is a hypothetical example using round numbers to illustrate how a buyout is calculated. Actual outcomes depend on the home's appraised value, the mortgage payoff figure, and the division your state's court or your settlement agreement provides.

Current market value (from appraisal)
$450,000
Outstanding mortgage payoff
− $280,000
HELOC balance
− $20,000
Total net equity
$150,000

The court-ordered split in this equitable distribution state scenario is 55% to Spouse A (keeping the home) and 45% to Spouse B (departing).

Spouse B's share (45% of $150,000)
$67,500
New refinanced loan amount
$347,500

Spouse A refinances for $347,500 — covering the $280,000 existing balance plus the $67,500 buyout. Spouse A pays Spouse B $67,500 at closing. Spouse B signs a quitclaim deed, and both the title and the mortgage are now in Spouse A's name alone.

What If Neither Spouse Can Buy Out the Other?

Selling is the most straightforward fallback when a buyout isn't financially feasible. Both spouses agree to list the home, and the net proceeds (after paying off the mortgage, real estate commissions, and closing costs) are divided according to the agreed or court-ordered split.

A structured sale timeline gives both parties control. A common arrangement is agreeing to list the home within a set number of months, with both parties sharing decisions on listing price and accepting offers. Family law attorneys can draft provisions into the settlement agreement that govern how disagreements about timing or price are resolved.

Another option is trading equity for other assets. If one spouse has $75,000 in a retirement account and the other has $75,000 in home equity, they may agree to each keep the asset they have — no buyout, no sale. This kind of in-kind swap is common in settlements, though it has tax implications (retirement accounts are pre-tax; home equity is after-tax) that a financial planner can help sort out.

Tax Considerations When Dividing a Home

A few tax issues come up regularly in home-equity divorces, and both are worth understanding before finalizing any agreement.

Transfers between spouses during divorce. Under IRS rules, property transfers between spouses as part of a divorce are generally not taxable events. The receiving spouse takes on the transferring spouse's cost basis in the property. No capital gains tax is triggered at the time of transfer.

Capital gains when the home eventually sells. When the home does sell — whether now or years later — capital gains tax may apply on any profit above the exclusion limits. The exclusion allows up to $250,000 in gain to be excluded from income tax for a single filer ($500,000 for married couples filing jointly), provided the home was used as a primary residence for at least two of the five years before the sale. IRS Publication 523 covers the home sale exclusion rules in detail, including special rules that may apply in divorce situations.

If the keeping spouse later sells the home for a large gain, they may be limited to the $250,000 single-filer exclusion — not the $500,000 married-couple exclusion they had before the divorce. This is a meaningful difference that's easy to overlook during settlement negotiations. A tax professional can help model out the after-tax value of keeping versus selling the home as part of the overall settlement.

Note on the home sale exclusion in divorce: If one spouse transfers their ownership interest to the other as part of the divorce, there are specific IRS rules about how the two-year residency requirement applies going forward. IRS Publication 523 addresses this scenario. The details depend on your specific situation, and a CPA familiar with divorce tax issues can clarify the impact on your settlement.

Using the Home Equity Buyout Calculator

The Know Your Half home equity calculator lets you enter your home's estimated value, your mortgage balance, and your expected equity split to see an estimated buyout amount. It's a useful starting point before meeting with an attorney or mediator — knowing the rough numbers helps you ask better questions and evaluate offers more clearly.

The calculator does not replace a formal appraisal or legal advice. It uses the numbers you enter, so the accuracy of the estimate depends on the accuracy of your inputs.

Calculate Your Estimated Buyout

Enter your home value, mortgage balance, and equity split to see what a buyout might look like in your situation.

Try the Home Equity Calculator →