How much does a $500,000 mortgage cost?
A $500,000 mortgage is now the benchmark borrowing amount in major Canadian markets. Whether you’re buying a condo in Toronto, a townhouse in Ottawa, or a detached home in Calgary, here’s what this mortgage will truly cost you.
Monthly payments at every rate
| Interest Rate | 25-Year Monthly | 30-Year Monthly | Difference |
|---|---|---|---|
| 3.00% | $2,366 | $2,108 | $258 |
| 3.50% | $2,496 | $2,245 | $251 |
| 4.00% | $2,630 | $2,387 | $243 |
| 4.50% | $2,767 | $2,533 | $234 |
| 5.00% | $2,908 | $2,684 | $224 |
| 5.50% | $3,052 | $2,839 | $213 |
| 6.00% | $3,199 | $2,998 | $201 |
| 6.50% | $3,350 | $3,160 | $190 |
| 7.00% | $3,503 | $3,327 | $176 |
Monthly payments include principal and interest only. Property taxes, insurance, and condo fees are additional.
Total cost of a $500,000 mortgage
| Interest Rate | Total Paid (25-yr) | Total Interest (25-yr) | Total Paid (30-yr) | Total Interest (30-yr) |
|---|---|---|---|---|
| 3.00% | $709,800 | $209,800 | $758,900 | $258,900 |
| 4.00% | $789,000 | $289,000 | $859,300 | $359,300 |
| 5.00% | $872,400 | $372,400 | $966,200 | $466,200 |
| 6.00% | $959,700 | $459,700 | $1,079,300 | $579,300 |
| 7.00% | $1,050,900 | $550,900 | $1,197,700 | $697,700 |
Key takeaway: At 5%, choosing 30 years over 25 years costs an extra $93,800 in interest. At 7%, a $500K mortgage costs over $1 million total — more than double the original loan.
How your payments break down over time
Here’s how a $500,000 mortgage at 5% (25-year amortization) breaks down:
| Year | Annual Interest | Annual Principal | Remaining Balance |
|---|---|---|---|
| 1 | $24,650 | $10,250 | $489,750 |
| 5 | $22,690 | $12,210 | $445,900 |
| 10 | $19,500 | $15,400 | $382,500 |
| 15 | $15,250 | $19,650 | $301,000 |
| 20 | $9,625 | $25,275 | $195,700 |
| 25 | $2,350 | $32,550 | $0 |
25-year vs 30-year amortization
| Feature | 25-Year | 30-Year |
|---|---|---|
| Monthly payment (at 5%) | $2,908 | $2,684 |
| Total interest paid | $372,400 | $466,200 |
| Extra cost of 30-year | — | +$93,800 |
| Equity after 5 years | ~$54,100 | ~$36,200 |
| Who it’s for | Faster payoff, lower total cost | Lower monthly payments, more cash flow |
How payment frequency affects costs
| Frequency | Payment Amount | Annual Cost | Amortization | Interest Saved |
|---|---|---|---|---|
| Monthly | $2,908 | $34,896 | 25 years | — |
| Bi-weekly | $1,454 | $37,804 | 25 years | $0 |
| Accelerated bi-weekly | $1,454 | $37,804 | ~22 years | ~$42,000 |
Strategies to reduce your mortgage cost
- Choose a shorter amortization — 25 years instead of 30 saves $93,800 on a $500K mortgage at 5%
- Make accelerated bi-weekly payments — saves ~$42,000 and cuts 3 years off your amortization
- Use prepayment privileges — a $15,000 annual lump sum saves ~$52,000+ in interest
- Shop for a lower rate — 0.25% lower saves approximately $22,500 over 25 years
- Increase payments when you can — a $250/month increase saves ~$25,000 in interest
Where a $500,000 mortgage applies
- Condo buyers in Toronto or Vancouver — entry-level condos in Canada’s most expensive markets
- Detached homes in mid-sized cities — Calgary, Ottawa, Kitchener-Waterloo, London, or Halifax
- Suburban townhomes — growing suburbs around the GTHA, Metro Vancouver, or Montréal
- Move-up buyers with significant equity — a $625K home with 20% down