How Much House You Can Afford: An Income-Based Guide

If you've ever plugged your income into an online calculator and thought, "There's no way I can afford that," you're not alone. And if you got the opposite result — a number so high it made you nervous — you're not alone there, either.

How much house you can afford depends on your income, your debts, your savings, and honestly, how comfortable you want to feel every month after you make your payment.

A lender can tell you what you qualify for. But qualifying for a home loan and being able to live comfortably with that payment are two very different things.

This guide shows what the numbers look like at different income levels, walks through how lenders evaluate your finances, and helps you figure out the payment amount that actually fits your life.

Examples: How Much House You Can Afford Based on Income

Ratios are useful context, but most people just want to know: given what I earn, what kind of home price am I looking at?

Here's a breakdown at three common household income levels, assuming a 30-year fixed mortgage at 6%, a 1.2% property tax rate, and $150/month for insurance.

How Much House You Can Afford on $75,000

How Much House You Can Afford on $120,000

How Much House You Can Afford on $200,000

A few things to note: These estimates use 10% down. Put 20% down and you eliminate PMI (private mortgage insurance), which gives you more room. Put 5% down and PMI gets added to your payment, which reduces your buying power. Rates matter here, too — even a half-point difference in your rate can shift your purchasing power by tens of thousands of dollars.

These ranges are meant to give you a general sense of what's realistic. Your actual number depends on your complete financial picture, which is exactly what a lender helps you figure out.

How Mortgage Lenders Evaluate What You Can Borrow

When you apply for a mortgage, your lender is looking at two things: how much of your income would go toward your housing payment, and how much of your income is already committed to other debts.

The first is your housing expense ratio: This compares your expected monthly housing costs like mortgage principal, interest, property taxes, and homeowner's insurance (often shortened to PITI) against your gross monthly income. Gross means before taxes, not what hits your bank account.

The second is your total debt ratio: This takes your housing costs and adds in everything else you owe monthly — car loans, student loans, credit card minimums, and any other recurring obligations — and compares that total to your gross income.

Here's what that looks like in practice. Say your household earns $90,000 a year, which is $7,500 per month before taxes.

The ranges above reflect the fact that there's no single magic number. Your lender will look at the full picture: your credit score, your savings, the type of loan you're applying for, and other factors. Then, they'll determine what you qualify for.

Someone with excellent credit and strong reserves may comfortably qualify at the higher end of those ranges. The point isn't to memorize a formula; it's to understand that lenders are weighing your income against your obligations to find a payment that makes sense.

Different loan programs have different guidelines, too. FHA loans, VA loans, and conventional loans each evaluate these ratios a bit differently, and strong compensating factors — like a high credit score, a long employment history, or significant savings — can give you more flexibility than a simple calculator might suggest.

What You Qualify for vs. What You Should Spend on a House

This is where most affordability guides stop, and it's where the most important part actually starts.

The ratios lenders use are designed to assess risk. They help determine whether you're likely to make your payments.

They don't tell you whether you'll be able to save for retirement, take vacations, handle an unexpected car repair, or just go out to dinner without doing math in your head first.

Just because you qualify for a $400,000 home doesn't mean your life will feel good at that payment level. The number a lender approves you for is a starting point. Your job is to decide what fits your life, not just your application.

Before you lock in a price range on a home, be honest with yourself about a few things:

• How stable is your income? Two W-2 salaries are different from one freelance income.

• Are you planning for any major expenses in the next few years — a new car, childcare, a career change?

• What does your emergency fund look like? Homeownership has a way of generating surprise costs.

• What monthly payment lets you still save, invest, and live the way you want?

The best way to answer these questions is to talk to a loan officer who can show you exactly what the numbers look like for your situation. That also means choosing a loan officer you can trust.

Our team at nbkc bank wants what is best for your life. We're not just giving you the highest approval number — we're here to help you understand your options and guide you toward a decision that makes the most sense for you.

Mortgage Costs That Don't Show Up in Most Home Loan Calculators

Online calculators are helpful starting points, but they almost always undercount what homeownership actually costs. Here are the expenses that catch people off guard:

Property Taxes

These vary widely by location. In some states you might pay 0.5% of your home's value annually; in others it's over 2%. On a $300,000 home, that's the difference between $125 and $500 per month. If you're looking at specific homes, check the actual tax history — not just an estimate.

Homeowner's Insurance

This is more than a line item. The cost depends on your location, the age of the home, and your coverage level. Budget $100–$300 per month depending on the market. If you're in a flood zone or an area prone to severe weather, it could be more.

PMI (Private Mortgage Insurance)

This applies if you put less than 20% down on a conventional loan. It typically runs 0.5%–1% of the loan amount per year, which on a $250,000 loan adds $100–$200 per month. The good news: it drops off once you hit 20% equity.

HOA Fees

These are common in condos, townhomes, and many newer developments. They can range from $50 to over $500 per month. They're not optional, and they increase over time.

Maintenance and Repairs

This is the big one people don't plan for. A common guideline is to budget 1%–2% of the home's value per year for upkeep. On a $300,000 home, that's $250–$500 per month set aside. A new roof, a furnace replacement, or a plumbing issue can easily cost $5,000–$15,000.

How to Calculate How Much Home You Can Afford in 3 Steps

Step 1: Start with your monthly take-home pay. Not your gross, not your salary — what actually lands in your account. Think about what housing payment would leave you enough to cover everything else you value.

Step 2: Understand how lenders look at your finances. Knowing that lenders compare your income to your debts gives you a sense of what's realistic. But every situation is different, and a loan officer can walk you through exactly where you stand.

Step 3: Get pre-qualified. A pre-qualification gives you a real number based on your actual financial picture — credit score, debts, income documentation, all of it. It takes the guesswork out of what you can realistically afford and puts you in a stronger position when you start shopping.

Ready to Find Out What You Can Afford?

Understanding your numbers is the first step. Getting a clear answer from a real person is the next one.

At nbkc bank, our loan officers will walk you through exactly what you qualify for, what your payment would look like, and what makes sense for your situation — no pressure, no runaround. You can start a conversation online or give us a call whenever you're ready.

Get pre-qualified with nbkc →