Fragmentation methods of accounting of contractual obligations secured by mortgage, discussion questions evaluating the object of mortgage at the stage of conclusion of loan agreements (credit) and the probability of default and foreclosure with the mortgagor necessitated a comprehensive research and development of methodical maintenance of accounting mortgage transactions in subjects of its implementation (the mortgagor and mortgagee), including the improvement of the order of accounting reflection operations with a mortgage of property rights, hypothec, «solid mortgage», mortgage securities, the mortgage of goods in circulation or processing. The article also provides the procedure of evaluating the object of mortgage at default of the mortgagor conditions of the contract taking into account its depreciation (physical and moral deterioration) during the loan repayment period; the author specifies the procedure for recording of transactions related to the sale of such objects as the basis for providing contractual management process obligations of the debtor with relevant information.