Know CMHC Portability Rules: Not a Switch or Refinance | Your Mortgage Minute

Your Mortgage Minute | Onlendhub · Oct 15, 2026 · 5m · transcript

Porting an insured mortgage is not the same as switching lenders or refinancing. In this episode, we break down CMHC's official straight portability rules for insured borrowers. You'll learn the three key limits: amortization can't exceed your remaining amortization, the new loan-to-value must be equal to or less than your current LTV, and the new loan amount must be equal to or less than your outstanding balance. They also explain why porting is a separate path from switching and refinancing, how lender underwriting can differ, and what happens if the prescribed stress test applies at a…