Many people think a house buyout during divorce is a simple exchange of cash for a deed. It is not. It is a math problem with three main parts: the equity, the appraisal, and the refinance. Each part costs money, and the numbers have to add up before the county recorder will accept the transfer.
Start with the equity. The house is worth something. The mortgage still owed on it is something else. The difference is the equity. If the house is worth five hundred thousand dollars and the mortgage balance is three hundred thousand dollars, then the equity is two hundred thousand dollars. That two hundred thousand is what the couple splits, not the full sale price.
The next step is the appraisal. You cannot guess the house value from Zillow. The lender will require a formal appraisal from a licensed appraiser. That appraisal sets the number the buyout is based on. If the appraisal comes in lower than expected, the buyout amount drops. If it comes in higher, the buyout amount goes up. The cost of the appraisal is usually a few hundred dollars, paid out of pocket.
Now the buyout math. Say one spouse wants to keep the house. That spouse needs to pay the other spouse half of the equity. On a two-hundred-thousand-dollar equity, half is one hundred thousand dollars. But the staying spouse does not just write a check for one hundred thousand dollars. That spouse also has to qualify for a new loan that covers the existing mortgage. This is called a refinance. The refinance pays off the old joint mortgage and replaces it with a single-name loan.
To qualify for the refinance, the staying spouse needs enough income, good credit, and a debt-to-income ratio that the lender accepts. The lender will also look at the new loan amount. The new loan has to cover the existing mortgage balance plus the buyout payment. In the example, the new loan would be four hundred thousand dollars: the three hundred thousand mortgage plus the one hundred thousand buyout. If the house appraises for five hundred thousand, the staying spouse has one hundred thousand in equity left after the new loan. That is called a cash-out refinance.
Here is a made-up example with names. Maria and David own a house in Sacramento County. The appraisal says it is worth four hundred eighty thousand dollars. They owe two hundred eighty thousand on the mortgage. Equity is two hundred thousand dollars. David wants to keep the house. He owes Maria one hundred thousand dollars for her half of the equity. David needs a new loan for three hundred eighty thousand dollars: the old two hundred eighty thousand plus the one hundred thousand buyout. He must qualify alone. He pays closing costs for the refinance, which can run several thousand dollars. There is also a transfer tax when the deed changes hands. Maria signs a quitclaim deed giving up her interest. David records the deed with the county recorder. Maria gets her one hundred thousand dollars, and David gets the house.
Some details depend on your situation. If the equity is small, the staying spouse might not need a cash-out refinance. A simple assumption of the loan might work, but that is rare with conventional mortgages. If the equity is large, the staying spouse might struggle to qualify for the new loan amount. In that case, selling the house and splitting the cash is the cleaner option.
Talk to a family law attorney about the legal side. Talk to a CPA about the tax side. The IRS may treat the buyout as a sale, which could trigger capital gains taxes. A HUD-approved housing counselor can help with the budget questions. No one should sign a quitclaim deed without understanding the loan liability. The mortgage lender does not have to let anyone off the loan just because the deed says otherwise.
The math is simple. The execution is not.
A closer look is at divorce house buyout math.


