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 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. Customer: I have a promissory note and a deed of trust for a property in Texas dated February 1, 2022. In effect, the trust works as security for the promissory note the borrower's promise to pay the loan back. It then has to be recorded in Bexar county for it to be valid. Is a deed of trust the same as a promissory note? The dates can be left blank for them to fill out as they sign. Customer.