How to Buy a House With Your Spouse in 2027 (Without Ending Up House Poor)
If you and your spouse are planning to buy a home next year, you’ve probably already played with an online calculator or two.
Most of them stop at one number: the most a lender might approve you for.
That number is useful, but it isn’t your budget.
A lender’s maximum is based mostly on your income before taxes. Your real life runs on what actually lands in your account after taxes, retirement savings, health insurance and everything else comes out of your paycheck.
That gap is how couples end up house poor. The payment technically fits the approval, but there’s nothing left for savings, trips, repairs or the plans you made together.
The good news is you can avoid that by starting from the other end. Here’s how I’d walk through it with any couple buying together in 2027, step by step.
1. Add up both incomes
Start with what each of you earns before taxes, both yearly and monthly. That’s where a lender starts too.
If you’re both on salary, this part is simple. If one of you is paid hourly, gets bonuses or commission, or is self-employed, it takes a little more work. Lenders generally want to see a steady history, often about two years, before they count income that changes from year to year. Self-employed income is usually based on your tax returns, after write-offs, not on what the business brings in.
This is also where couples have a choice to make: do you apply together, or does one of you apply alone?
Applying together means both incomes can count, which can help you qualify. But it also means both of your debts and both of your credit histories come along with it. In some cases, applying with one spouse can make more sense, for example if one of you has a lot of debt or a much lower score.
There’s one catch to know about. In some states and with some loan programs, a spouse’s debts can still be counted even when that spouse isn’t on the loan. That’s exactly the kind of detail I’ll check for you before you decide.
What to gather now: recent pay stubs and the last two years of W-2s for each of you, plus tax returns if either of you is self-employed or has other income.
2. List every monthly debt
Next, sit down together and write out every monthly payment you each have:
Car loans and leases
Student loans
Minimum payments on every credit card
Personal loans
Child support or alimony
Use the minimum payment for cards, since that’s what shows on your credit report. And include student loans even if they’re in deferment. Lenders often count a payment for them anyway.
Lenders compare these payments, plus your future house payment, to your combined income before taxes. That’s called your debt-to-income ratio, and it’s one of the main things that decides how much you can borrow.
Here’s the part that matters for your budget, though. Things like groceries, childcare, gas, phone bills, subscriptions and gym memberships usually aren’t part of a lender’s math. They’re very much part of yours.
This step can feel awkward, especially if one of you has been carrying debt the other doesn’t know much about.
Have the honest conversation now, at your kitchen table, instead of in the middle of an application.
3. Check both credit scores
When you apply together, both credit scores matter, not just the higher one.
Lenders usually pull reports from all three credit bureaus for each of you and look at each person’s middle score. In many cases, the lower of those two middle scores is the one used to price your loan. So if one of you has a 780 and the other has a 660, the rate you’re offered may be based on the 660.
That’s why you want to know both numbers before you apply, not after.
Each of you can pull your free credit reports at annualcreditreport.com. Checking your own credit won’t lower your score. Look for errors, late payments and high card balances, and give yourselves time to fix what you can.
If one score is a lot lower, it isn’t a dead end. A few months of on-time payments and lower card balances can help.
4. Pick your real payment
Now flip the whole thing around. Instead of starting from the maximum you can borrow, start from your take-home pay.
Look at what actually comes into your accounts each month. Take out what you want to keep saving, for emergencies, retirement and the things you’re planning, like a wedding, a baby, a new car or travel. Then take out the cost of everyday life. What’s left is the payment that actually fits your life, and that’s the number I’d build your home search around.
A hypothetical example: say the two of you take home $9,000 a month. You want to keep saving $1,500 a month, and everyday life, from groceries to car insurance to childcare, runs about $4,000. That leaves $3,500. You might decide an all-in house payment of $2,800 to $3,000 feels right, so one surprise bill doesn’t wipe out your cushion, even if a lender would approve you for more.
When you compare it to a home payment, make sure you’re looking at the full monthly cost, not just principal and interest. That includes:
Property taxes
Homeowners insurance
Mortgage insurance, if your loan requires it
HOA or association dues, if there are any
Then leave room for the costs of owning that don’t come with a bill: repairs, maintenance and higher utilities in a bigger space.
Don’t forget the cash side either. You’ll need money for the down payment and closing costs, plus some savings left over after you move in. If you’re combining savings from separate accounts, keep records of where the money came from, since lenders usually ask for recent statements and an explanation for any large deposits.
If your comfortable payment is lower than what you’re approved for, that’s not a problem. That’s a plan. It means you’re buying a home you can enjoy, not one that runs your life.
Buying together, the short version
Buying a home as a couple goes a lot smoother when you both know the numbers before you start looking. Here’s the short version:
Add up both incomes.
List every debt, for both of you.
Know both credit scores.
Choose a payment that fits real life, not just the approval.
One more thing to talk about early: how you’ll take title to the home. That’s a separate decision from the loan, and a real estate attorney or title company can explain the options where you live.
If you’re planning to buy together in 2027, now is a great time to start.