Second Mortgage Canada Guide

How second mortgages work in Canada, who offers them, typical rates, and the key risks to understand before borrowing.

What Is a Second Mortgage?

A second mortgage is a loan secured against your property that ranks behind (is subordinate to) your primary (first) mortgage. Because the second mortgage lender is in second position — meaning if you default and the property is sold, the first mortgage lender is paid first — second mortgage lenders take on more risk and charge significantly higher interest rates to compensate.

Second mortgages are distinct from HELOCs (which are revolving credit lines) and from refinancing (which replaces your first mortgage). A second mortgage sits alongside your existing first mortgage as a separate, fixed loan.

Why Do Canadians Take Out Second Mortgages?

• To access equity without breaking a first mortgage with a large prepayment penalty
• Debt consolidation when a HELOC is not available or the credit limit is insufficient
• Home renovation funding when equity is limited
• Bridge financing (short-term, while waiting for a property sale to close)
• Situations where a borrower doesn't qualify for refinancing at an A lender
• Business capital when other credit options are exhausted

Second Mortgage Rates in Canada (2025)

Lender Type	Typical Rate Range	Notes
Schedule A banks (rare for 2nd)	6%–8%	Very strict qualifying
B lenders (Home Trust, Equitable)	7%–10%	More accessible, still income-verified
Private lenders / MICs	10%–18%+	Equity-based, credit flexible
Mortgage Investment Corps	8%–15%	Pooled private capital

Second mortgage rates are dramatically higher than first mortgage rates because of the subordinated position. This makes second mortgages expensive — they are generally a short-to-medium-term solution, not a long-term financing strategy.

Maximum Borrowing on a Second Mortgage

The combined loan-to-value (CLTV) of your first and second mortgage typically cannot exceed 80% of your home's appraised value at most institutional lenders, and up to 85–90% with some private lenders (at higher rates). Example: Home worth $800,000, first mortgage balance $500,000. Maximum CLTV at 80% = $640,000. Maximum second mortgage = $640,000 - $500,000 = $140,000.

Second Mortgage vs HELOC vs Refinance

Option	Rate	Flexibility	Best When
Second mortgage	7%–18%	Fixed term, fixed amount	First mortgage has low rate, large penalty to break
HELOC	Prime + 0–0.5%	Revolving, draw as needed	Ongoing needs, 20%+ equity
Refinance	Market rate	New first mortgage, full access	Near term end, penalty is small, need large sum

Risks of Second Mortgages

Second mortgages carry real risks that should not be minimized:

• High cost: Rates of 10–15% make debt accumulation rapid if not repaid quickly
• Default risk: Failure to make payments on either mortgage can trigger power of sale — you could lose your home
• Lender fees: Private lenders charge arrangement fees (1–3% of the loan amount) plus appraisal and legal costs
• Short terms: Private second mortgages often have 1-year terms with balloon repayment — meaning you must refinance or repay in full after 12 months
• Difficulty exiting: If property values fall, you may be unable to refinance or sell for enough to cover both mortgages