How much house you can afford depends on the complete monthly payment, your existing debts, cash needed at closing and the savings left afterward—not simply the maximum loan a lender may approve.
If you are asking “How much house can I afford?”, begin with a monthly payment that fits your real life. Then work backward to a home-price range. This produces a more useful answer than starting with a listing price or treating a preapproval as a spending target.
A responsible estimate includes principal, interest, property taxes, homeowners insurance, mortgage insurance when applicable, and HOA dues. It also protects cash for closing, moving, repairs and emergencies.
Estimate a practical home-buying range
Use your income, debts, down payment and local housing costs to compare a comfortable scenario with a lender-style estimate.
Start with a payment, not a home price
The Consumer Financial Protection Bureau recommends creating a budget for the total monthly home payment. That total can include mortgage principal and interest, property taxes, homeowners insurance, supplementary insurance, mortgage insurance and HOA fees.
Start with the amount your household can consistently pay after normal living costs and savings. Test it against:
- take-home income, not only gross income;
- car loans, student loans, credit cards and other required debt payments;
- childcare, healthcare, transportation and other essential spending;
- retirement contributions and near-term savings goals;
- the cost of maintaining the home.
The most useful affordability number is the payment you can sustain while still saving—not the largest loan available.
Use two affordability checks
1. Your personal monthly budget
This is the stronger test. Review several months of actual spending and decide how much room exists for housing without making the rest of the budget fragile. If the future payment only works when every discretionary expense disappears, the target is probably too aggressive.
Remember to compare the future payment with the full cost of your current housing. A mortgage may replace rent, but maintenance, utilities, insurance and taxes can be new or larger expenses.
2. Debt-to-income ratio
Debt-to-income ratio, or DTI, compares required monthly debt payments with gross monthly income. Lenders use it as one part of underwriting.
DTI = total required monthly debt payments ÷ gross monthly income × 100
DTI is useful for understanding how a lender may view the application, but it is not a complete household budget. Gross income is measured before taxes and deductions, and the ratio does not capture every recurring expense or savings goal.
A practical affordability example
Assume a household earns $8,000 per month before tax and pays $600 per month toward other debts. These numbers are illustrative.
| Budget check | Calculation | Result |
|---|---|---|
| 28% housing reference point | $8,000 × 28% | $2,240 |
| 36% total-debt reference point | $8,000 × 36% | $2,880 |
| Less existing monthly debt | $2,880 − $600 | $2,280 for housing |
| Lower of the two reference points | min($2,240, $2,280) | $2,240 |
The 28% and 36% figures are only planning references, not universal approval rules. The household should compare the resulting $2,240 total housing payment with its take-home budget and may choose a lower target.
If estimated property taxes are $350 per month and homeowners insurance is $140, about $1,750 remains for principal and interest before mortgage insurance or HOA dues. At an illustrative 6.5% rate over 30 years, that principal-and-interest amount supports a loan of roughly $277,000. The home price then depends on the down payment, while mortgage insurance may reduce affordability when the down payment is smaller.
Calculate the cash needed upfront
The down payment is not the only cash required. The CFPB notes that closing costs commonly range from 2% to 5% of the purchase price, excluding the down payment, although the actual amount varies by location and transaction.
A safer cash plan separates available savings into distinct jobs:
- Emergency reserve: money that remains accessible after closing.
- Closing costs: lender, title, appraisal, government and other transaction costs.
- Moving and immediate work: movers, furnishings and known repairs.
- Down payment: the remainder available for the purchase.
Using every dollar for the down payment may produce a larger purchase budget on paper while leaving the household exposed to the first repair or income interruption.
Costs that change the answer
| Factor | How it affects affordability | What to verify |
|---|---|---|
| Interest rate | A higher rate raises payment for the same loan | Test several rate scenarios |
| Property taxes | High local taxes reduce room for principal and interest | Use the specific property and jurisdiction |
| Insurance | Premiums vary by property and risk | Get an informal quote before committing |
| Mortgage insurance | Adds cost when required | Ask how cost and cancellation work for the loan |
| HOA dues | Consume part of the monthly housing budget | Review current dues and pending assessments |
| Maintenance | Not usually in the mortgage payment | Keep a separate repair allowance |
Preapproval is not the same as affordability
A preapproval can help show what a lender may be willing to lend based on the information reviewed. It does not decide what payment supports your priorities, and it is not a guarantee that the final loan will close.
Before making an offer, run the actual property through the budget using its taxes, insurance quote and HOA dues. After applying, compare multiple Loan Estimates. Check the total monthly payment, cash to close, loan type, rate, mortgage insurance, lender fees and whether any important costs are not escrowed.
See the payment behind a listing price
Estimate principal, interest, taxes, insurance and total loan cost before deciding whether the monthly number works.
Build a safer price range
Instead of producing one maximum price, calculate three scenarios:
- Comfortable: leaves clear room for saving, repairs and lifestyle priorities.
- Middle: works under normal conditions but needs closer spending control.
- Upper boundary: a stress-test reference, not the default shopping target.
Then test each scenario with a higher insurance premium, a tax increase and an unexpected repair. A price range that survives reasonable changes is more useful than a precise number built on optimistic assumptions.
Frequently asked questions
How much house can I afford based on my salary?
Salary alone is not enough. Convert income into a complete monthly housing budget, subtract room needed for existing debts and essential spending, then account for the down payment, closing costs and cash reserves.
Is the 28% rule a requirement?
No. It is a planning reference that compares housing cost with gross income, not a universal lending rule or a guarantee that a payment is comfortable. Loan programs and household budgets differ.
Does mortgage preapproval show what I can comfortably afford?
Not necessarily. Preapproval reflects a lender’s preliminary assessment. Your own budget should decide the spending target, and final approval depends on the property, documentation and underwriting.
What costs belong in the monthly housing payment?
Include principal, interest, property taxes, homeowners insurance, mortgage insurance when required and HOA dues. Also reserve separately for utilities, maintenance and repairs.
How does the interest rate affect how much house I can afford?
A higher rate increases the principal-and-interest payment for the same loan, so less of the monthly budget remains available for the loan balance. Recalculate whenever the assumed rate changes.
Should I use all my savings for the down payment?
Usually that would leave little protection for closing costs, moving, repairs or emergencies. Decide how much cash must remain after closing before calculating the maximum down payment.
Can I buy a house if I already have debt?
Possibly. Required debt payments affect DTI and reduce room in the household budget. Eligibility depends on the complete application and loan program, while comfort depends on your actual cash flow.
How much should I expect to pay in closing costs?
The CFPB gives a typical planning range of 2% to 5% of the purchase price, excluding the down payment, but the actual amount depends on the loan, property, location and transaction.
- Consumer Financial Protection Bureau: Figure out how much you want to spend
- CFPB: How can I figure out if I can afford to buy a home?
- CFPB: What is a debt-to-income ratio?
- CFPB: Loan Estimate explainer
Example calculations use illustrative inputs and standard monthly mortgage amortization. Rates, taxes, insurance, loan eligibility and costs vary. This article is educational and is not a loan offer or personalized financial advice.