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Home Purchase Affordability Calculator

How much home can you buy? It comes down to your income, debts, down payment, and today’s rate.

MBReviewed by Mike Basti, Mortgage Broker & Founder · NMLS #377740
Quick Answer

Affordability is driven by your income, existing debts (via DTI), down payment, and the rate. A rough guide: your total housing payment often fits within roughly a third of gross income, but programs vary.

What sets your budget

Lenders size your loan so your total monthly debts stay within program DTI limits. Higher income and lower debts raise your budget; a bigger down payment lowers the payment and can drop mortgage insurance.

Beyond the payment

Budget for property taxes, insurance, and any HOA — they’re part of the payment (PITI). We’ll compute a realistic price range and monthly payment for your exact numbers.

InputEffect on budget
Higher incomeHigher budget
Lower debtsHigher budget
Bigger down paymentLower payment
Higher rateLower budget

Frequently asked questions

How much home can I afford?

It depends on income, debts, and down payment. Send us your numbers and we’ll give a realistic price and payment.

What’s included in the payment?

Principal, interest, taxes, insurance, and any HOA (PITI). We include them all in your estimate.

Does a bigger down payment help?

Yes — it lowers the payment and can eliminate mortgage insurance, raising what you can comfortably afford.

Save Financial is a California-licensed mortgage brokerage (NMLS #377740, DRE #01875766). Figures are illustrative for 2026 and not an offer of credit.

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