Also called an installment sales contract or contract foe feed. A type of creative financing in real estate allowing the seller to finance a buyer by allowing him or her to make a down payment followed by a series of periodic monthly payments of principal and interest. However, title is retained by the seller until the mortgage is paid. This means of financing can also be used to purchase improved land. Rules relating to land contracts differ among states. For instance, some states require that title be passed when a certain percentage of the loan has been paid by the borrower.