How Much Do I Need to Make to Afford a Mortgage?

The answer is not a single salary number. A lender starts with gross monthly income, subtracts the monthly debts that must be counted, and then measures how much room remains for the full housing payment. That is why two borrowers with the same income can qualify for very different home prices.

Borrowers often ask how much income they need as if there should be one universal number. There is not. A borrower making $6,500 a month with almost no debt may have far more room for a mortgage than a borrower making $8,000 a month while carrying a car payment, student loans, credit-card minimums, and high property taxes on the home they want to buy.

What income is actually used

The starting point is usually gross monthly qualifying income, not take-home pay. If a borrower earns $78,000 a year, the monthly figure used for a basic affordability review is about $6,500 before taxes and payroll deductions. For some borrowers, that number is straightforward. For others, overtime, bonuses, commissions, self-employment income, or a second job may need a history and a documented average before the lender can use the full amount.

What gets counted against that income

The next step is not a general household budget. It is a review of the monthly obligations the loan program requires the lender to count. That often includes car loans, minimum credit-card payments, student loans, support obligations, and payments on other real estate. It generally does not include groceries, gas, utilities, or streaming subscriptions.

Then the lender adds the full proposed housing payment, not just principal and interest. The housing payment usually includes principal, interest, property taxes, homeowners insurance, mortgage insurance when required, flood insurance when required, and association dues when applicable.

Scenario

A borrower earns $78,000 per year, or about $6,500 per month gross. The borrower has a $425 car payment, $90 in minimum credit-card payments, and a $210 student-loan payment. Total counted non-housing debt is $725 per month.

If a lender starts with a rough 50% DTI ceiling, the borrower’s total allowed monthly obligations would be about $3,250. After subtracting the $725 in existing monthly debt, about $2,525 remains for the full housing payment.

That does not mean the borrower has a $2,525 principal-and-interest budget. If the target property carries, for example, $450 a month in taxes and insurance combined, the amount left for principal and interest falls to about $2,075 per month. In a 30-year fixed scenario in the high-6% range, that may support a mortgage amount in roughly the low-$310,000s rather than the mid-$240,000s. The income did not change. The counted debts and property costs did.

Why the same income can support different mortgage amounts

This is where borrowers often get surprised. A second borrower may also make $6,500 a month, but if that borrower has only a $50 credit-card minimum and is shopping in an area with lower taxes, the available housing payment could be hundreds of dollars higher. That difference can translate into tens of thousands of dollars in additional mortgage amount.

The reverse is also true. A borrower may have enough income on paper, but a higher student-loan calculation, a larger car payment, or a property with steep taxes and HOA dues can compress the buying range quickly.

What this means in practice

When someone asks how much they need to make, the better question is usually what housing payment the numbers support after the required debts and property costs are counted. Once that housing-payment limit is clear, a lender can work backward into a more realistic price range.

Key Takeaways

• There is no single income number that tells you whether you can afford a mortgage.

• Gross monthly income is only the starting point; counted debts and full housing costs determine the actual range.

• A few hundred dollars of additional monthly debt or property cost can move the mortgage amount by tens of thousands of dollars.

Continue reading: FHA vs. Conventional: Which Loan Fits the Borrower Better?

Sources

CFPB: Ability-to-Repay Rule