Mortgage on a $450,000 home (2026)
Monthly payment with 20% down: $2,383/mo P&I, or about $3,021/mo all-in with taxes and insurance. At 6.95% (national average, 30-year fixed).
Monthly payment by down payment
| Scenario | Down payment | P&I (30yr) | PMI | All-in/mo |
|---|---|---|---|---|
| 20% down (no PMI) | $90,000 | $2,383 | — | $3,021 |
| 10% down | $45,000 | $2,681 | $287 | $3,606 |
| 5% down (FHA) | $22,500 | $2,830 | $303 | $3,771 |
Taxes estimated at 1.1% annually · Insurance at 0.6% · Rate: 6.95%
Income needed to afford a $450,000 home
Can you afford a $450,000 house?
A $450,000 home at today’s 6.95% average rate requires $2,383/month in principal and interest with 20% down ($90,000). That translates to needing roughly $129K in gross annual income to stay within the conventional 28% housing expense ratio.
The difference between 5% and 20% down on a $450,000 home is significant: a 5% down payment ($22,500) adds PMI of about $303/month until you reach 20% equity, and adds $93,420 in total interest over the life of the loan. If you can afford the larger down payment, the math strongly favors it.
On a 15-year loan, the monthly P&I payment jumps to $3,226 — $843 more per month than the 30-year option — but you save $277,200 in total interest and own the home outright in half the time.
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