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$300,000 Mortgage in Canada: Monthly Payments, Total Cost & Income Needed

Updated

How much does a $300,000 mortgage cost?

A $300,000 mortgage is one of the most common mortgage amounts in Canada — typical for first-time buyers in mid-range markets or move-up buyers putting 20%+ down. Here’s exactly what this mortgage will cost you.

Monthly payments at every rate

Interest Rate25-Year Monthly30-Year MonthlyDifference
3.00%$1,419$1,264$155
3.50%$1,498$1,347$151
4.00%$1,578$1,432$146
4.50%$1,660$1,520$140
5.00%$1,745$1,610$135
5.50%$1,831$1,703$128
6.00%$1,919$1,799$120
6.50%$2,010$1,896$114
7.00%$2,101$1,996$105

Monthly payments include principal and interest only. Property taxes, insurance, and condo fees are additional.

Total cost of a $300,000 mortgage

Interest RateTotal Paid (25-yr)Total Interest (25-yr)Total Paid (30-yr)Total Interest (30-yr)
3.00%$425,700$125,700$455,000$155,000
4.00%$473,400$173,400$515,500$215,500
5.00%$523,500$223,500$579,600$279,600
6.00%$575,700$275,700$647,800$347,800
7.00%$630,300$330,300$718,600$418,600

Key takeaway: At 5%, choosing 30 years over 25 years costs an extra $56,100 in interest. That’s the price of lower monthly payments.

How your payments break down over time

Here’s how a $300,000 mortgage at 5% (25-year amortization) breaks down:

YearAnnual InterestAnnual PrincipalRemaining Balance
1$14,790$6,150$293,850
5$13,615$7,325$267,500
10$11,700$9,240$229,500
15$9,150$11,790$180,600
20$5,775$15,165$117,400
25$1,410$19,530$0

25-year vs 30-year amortization

Feature25-Year30-Year
Monthly payment (at 5%)$1,745$1,610
Total interest paid$223,500$279,600
Extra cost of 30-year+$56,100
Equity after 5 years~$32,500~$21,700
Who it’s forFaster payoff, lower total costLower monthly payments, more cash flow

How payment frequency affects costs

FrequencyPayment AmountAnnual CostAmortizationInterest Saved
Monthly$1,745$20,94025 years
Bi-weekly$872$22,67225 years$0
Accelerated bi-weekly$872$22,672~22 years~$25,200

Strategies to reduce your mortgage cost

  1. Choose a shorter amortization — 25 years instead of 30 saves $56,100 on a $300K mortgage at 5%
  2. Make accelerated bi-weekly payments — saves ~$25,200 and cuts 3 years off your amortization
  3. Use prepayment privileges — a $10,000 annual lump sum saves ~$30,000+ in interest
  4. Shop for a lower rate — 0.25% lower saves approximately $13,500 over 25 years
  5. Increase payments when you can — a $150/month increase saves ~$15,000 in interest

Who carries a $300,000 mortgage?

A $300,000 mortgage is the bread-and-butter Canadian mortgage in the Prairies and Atlantic Canada specifically — not a generic “average” borrower profile. With 10–20% down, it finances a home priced roughly $335,000–$375,000, which lines up almost exactly with Regina’s July 2026 benchmark price of $343,500 (+3.0% YoY), one of Canada’s most affordable major markets. It also sits comfortably below Winnipeg’s benchmark of $392,900 and Moncton’s $385,200, meaning a $300K mortgage buys with room to spare in both cities. At 5% over 25 years the monthly payment is about $1,745, requiring roughly $75,000–$85,000 in household income — achievable on a single income in all three markets. Because this mortgage size is well within CMHC-insured limits, buyers also get access to the lowest available insured rates.

Real cities where a $300,000 mortgage fits today

CityJuly 2026 Benchmark PriceFits a $300K Mortgage?
Regina$343,500 (+3.0% YoY)Yes — near-exact match with a typical down payment
Moncton$385,200 (+6.7% YoY)Yes, with 15–20% down
Winnipeg$392,900 (+3.0% YoY)Yes, with 20%+ down
Saskatoon$438,600 (+3.7% YoY)Tight — needs 25%+ down or a smaller property type

Where a $300,000 mortgage applies

  • First-time buyers in Regina, Winnipeg, or Moncton — the current benchmark prices in these markets line up directly with a $300K mortgage and typical down payment
  • Entry-level homes with moderate down — a $375K home with 20% down, or a $315K home with 5% down
  • Condo purchases in larger cities — condos in Calgary, Ottawa, or Montréal suburbs
  • Downsizing — selling a family home and buying a smaller property

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