A second mortgage is an additional loan taken out against a property that already has a primary mortgage.
It is secured by the same property but ranks behind the first mortgage in repayment priority.
Common examples include home equity loans and home equity lines of credit (HELOCs).
Second mortgages allow homeowners to:
However, they increase total debt secured by the property and may carry higher interest rates because they are subordinate to the primary mortgage.
Lenders evaluate combined loan-to-value ratio (CLTV) during underwriting.
Home value: $400,000
First mortgage: $300,000
Second mortgage: $50,000
Total debt: $350,000
CLTV: 87.5%
Second Mortgage → Separate loan
Cash-Out Refinance → Replaces original loan
Are rates higher than first mortgages?
Often yes.
Can I have more than one second mortgage?
Rarely advisable.
Does it affect refinancing?
Yes, coordination is required.