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.A Deed of Trust in Texas transfers title of real property in trust. It is the equivalent to a mortgage used in other states and provides a secured interest. A deed of trust is in fact a security instrument that authorizes a foreclosure sale outside the judicial system in case of default. In a real estate transaction—the purchase of a home, say—a lender gives the borrower money in exchange for one or more promissory notes linked to a trust deed. A Texas deed of trust is a security instrument that transfers a property title to a trustee to meet the owner's obligations to a lender. In a deed of trust to secure assumption, another person assumes the note already in place, guaranteeing payment to the grantor in the deed. A deed of trust is a document that you sign for buying a home. Other real estate documents discussed herein include: Deed of Trust; Real Estate Lien Note (Promissory Note); Deed of Trust to Secure Assumption.