The relationship between the loan amount and the value of the property (the lower of appraised value or sales price), expressed as a percentage of the property’s value. For example, a $100,000 home with an $80,000 A loan using your home as collateral. In some states, the term mortgage is also used to describe the document you sign (to grant the lender a lien on your home). It also may be used to indicate the amount of money you borrow, with interest, to purchase your house. The amount of your mortgage often is the purchase price... has an LTV of 80 percent.