What does a $500K mortgage really cost?
With a $500,000 home and 20% down, you borrow $400,000. At 6.5% over 30 years, you'll pay $510,350 in interest alone — more than the home itself. The total cost including principal, interest, taxes, and insurance is approximately $1,135,000.
$500K mortgage payment by rate
| Rate | Monthly P&I | 30-Year Interest Cost |
|---|---|---|
| 5.5% | $2,271 | $417,560 |
| 6.0% | $2,398 | $463,280 |
| 6.5% | $2,528 | $510,080 |
| 7.0% | $2,661 | $557,960 |
A 1% rate difference on a $400K loan is $260/month or $93,600 over 30 years. Shopping for the best rate is worth thousands.
Income required for a $500K house
You need a household income of approximately $135,000–$145,000 to comfortably afford a $500K home. This assumes no significant other debts and property taxes around 1% of home value.