One who signs a mortgage contract with another party or parties and is thereby jointly obligated to repay the loan. Generally a co-mortgagor provides some assistance in meeting the requirements of the loan and receives a share of ownership in the encumbered property.
One who signs a mortgage with another as borrower.
A person who signs a note and deed of trust in addition to the borrower to give extra security to the loan. The co-mortgagor is jointly liable for the repayment of the loan.