How Much House Can I Afford? Complete 2026 Guide

The most widely used guideline for home affordability is the 28/36 rule, and it remains the standard lenders apply in 2026. The rule states that your total monthly housing costs — including principal, interest, property taxes, homeowners insurance, and any HOA fees — should not exceed 28% of your gross monthly income. Additionally, your total monthly debt payments, including housing plus car loans, student loans, credit cards, and other obligations, should stay below 36% of gross monthly income. For example, if your household earns $100,000 per year ($8,333 per month), your maximum housing payment under the 28% rule is $2,333, and your total debt payments should not exceed $3,000. With 2026 mortgage rates averaging between 6.0% and 6.75% for a 30-year fixed loan, that $2,333 monthly payment translates to a home price of roughly $350,000 to $380,000 assuming a 10% down payment after accounting for taxes and insurance. Some lenders allow up to 31% for housing in high-cost markets, but stretching beyond 28% leaves less room for savings, emergencies, and lifestyle spending.

Your down payment is one of the most powerful levers in determining how much house you can afford. A larger down payment reduces your loan amount, lowers your monthly payment, and can eliminate private mortgage insurance (PMI). In 2026, the median down payment for first-time buyers is approximately 8%, while repeat buyers average around 19%. Putting down 20% on a $400,000 home means borrowing $320,000 instead of $360,000 (at 10% down) or $386,000 (at 3.5% with an FHA loan). At a 6.5% rate over 30 years, the monthly principal and interest on $320,000 is about $2,023, compared to $2,275 for $360,000 — a difference of $252 per month or $3,024 per year. Beyond the payment savings, reaching 20% down eliminates PMI, which typically costs 0.5% to 1% of the loan amount annually. On a $320,000 loan, that is $1,600 to $3,200 per year you avoid paying. FHA loans allow as little as 3.5% down, and some conventional programs accept 3%, but these lower down payments mean higher monthly costs and mortgage insurance that can persist for years or even the life of the loan.

Your debt-to-income (DTI) ratio is the single most important metric lenders evaluate when determining your maximum loan amount. Front-end DTI measures housing costs as a percentage of gross income, while back-end DTI includes all monthly debt obligations. In 2026, most conventional lenders cap back-end DTI at 43% to 45%, though some allow up to 50% for borrowers with strong compensating factors like excellent credit scores above 740 or substantial cash reserves. FHA loans generally permit a back-end DTI up to 43%, though exceptions exist up to 50% with automated underwriting approval. To calculate your DTI, add up all monthly debt payments: minimum credit card payments, auto loans, student loans, personal loans, child support, and your proposed housing payment. Divide this total by your gross monthly income. If you earn $7,500 per month and have $500 in existing debt payments, a lender allowing 43% DTI would approve a maximum housing payment of $2,725 ($7,500 x 0.43 = $3,225 minus $500 existing debt). Reducing existing debt before applying for a mortgage directly increases your purchasing power — paying off a $400 monthly car loan could increase your maximum home price by $60,000 or more.

The purchase price is only part of the true cost of homeownership, and failing to account for hidden expenses is the most common mistake first-time buyers make. Closing costs in 2026 typically run 2% to 5% of the purchase price, meaning a $400,000 home requires $8,000 to $20,000 at closing on top of your down payment. Property taxes vary dramatically by location — New Jersey averages 2.23% of home value annually ($8,920 on a $400,000 home), while Hawaii averages just 0.29% ($1,160). Homeowners insurance averages $1,800 to $2,400 per year nationally but can exceed $5,000 in hurricane- or wildfire-prone areas. Maintenance and repairs are often the most underestimated cost: the general rule is to budget 1% to 2% of your home value annually, which means $4,000 to $8,000 per year for a $400,000 home. HOA fees, if applicable, average $250 to $400 per month nationally but can exceed $1,000 in luxury or urban developments. Utility costs for a typical single-family home run $200 to $400 per month depending on climate and efficiency. When totaled, these expenses can add $1,000 to $2,500 per month beyond your mortgage payment, so always factor them into your affordability calculation.

Your credit score directly affects the interest rate you qualify for, which in turn significantly impacts how much house you can afford. In 2026, borrowers with scores of 760 and above qualify for the best conventional rates, typically 0.5% to 1.0% lower than borrowers scoring 620 to 639. On a $350,000 loan over 30 years, the difference between a 6.0% rate (excellent credit) and a 7.0% rate (fair credit) amounts to $233 per month — that is $83,880 over the life of the loan. More importantly, the higher rate reduces your purchasing power. If your budget allows $2,200 per month for principal and interest, you can afford a $367,000 loan at 6.0% but only a $330,000 loan at 7.0% — a $37,000 difference in home price from credit score alone. FHA loans are more forgiving, accepting scores as low as 580 with 3.5% down (or 500 with 10% down), but they carry mandatory mortgage insurance premiums. Before house hunting, check your credit reports from all three bureaus for errors, pay down credit card balances to below 30% utilization, and avoid opening new accounts. Even a 40-point improvement can save you tens of thousands over the life of your mortgage.

Where you buy dramatically affects how much home your income can support, thanks to wide variations in property taxes, insurance costs, and home prices across the United States. In 2026, the median home price nationally sits around $410,000, but this ranges from approximately $215,000 in West Virginia and Mississippi to over $800,000 in California and $750,000 in Massachusetts. A household earning $100,000 per year can afford a median-priced home in 35 states but would be priced out of the median in California, Hawaii, Massachusetts, Washington, and Colorado without a substantial down payment. Property tax differences amplify these regional gaps: a $400,000 home in Texas costs roughly $7,200 per year in property taxes (1.80% effective rate), while the same-value home in Colorado costs about $2,100 (0.52%). Insurance costs add another layer — Florida and Louisiana homeowners pay 3 to 4 times the national average due to hurricane risk. When evaluating affordability, research the total cost of ownership in your specific market. Use local tax rates, insurance quotes, and utility averages rather than national figures to get an accurate picture of what you can truly afford in the area where you plan to live.