Payment shall be made at the Office of Housing FHA-Comptroller, Director of. Mortgage Insurance Accounting and Servicing, 451 Seventh Street, SW, Washington, DC.However, only the amount owed on the furniture note was inserted in the blank provided in the chattel mortgage for the amount of the debt. An Owner Finance requires three documents: a Warranty Deed, a Promissory Note and a Deed of Trust. Indicate in the index and records that the document is a master mortgage.