A Texas Deed of Trust creates a lien on property to secure a Promissory Note. These are two documents needed for real estate loans and seller financing.Document Cover Sheet ; Title of Document: Modification to Deed of Trust, Assignment of Leases and Rents, Security Agreement and Fixture Filing. The Real Property Department records documents pertaining to real property or real estate in Harris County. Do not fill in any information on the Deed of Trust. Do not have the Deed of Trust signed or acknowledged. How do I fill this out? A legal document that gives a mortgage lender right to any future profits that may come from leases and rents when a property owner defaults on their loan. This assignment allows the new lender to enforce the terms of the deed of trust, collect payments, and take action in case of default. (2) a subsequent change in the use of the land that occurs before the fifth anniversary of the date of the transfer.