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. Other real estate documents discussed herein include: Deed of Trust; Real Estate Lien Note (Promissory Note); Deed of Trust to Secure Assumption. This document is a written promissory to pay money. Payment Methods Accepted. No personal checks are accepted. Texas is a non-judicial foreclosure state.