The appropriate person must sign the document, and that person's signature must be notarized (i.e. , Release, Deed of Trust, Deed, etc.).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. Harris County Certificate of Trust Form. Fill in the blank form formatted to comply with all recording and content requirements. 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 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. To transfer a property title deed in Texas, you will need a properly prepared deed as follows: The deed must be in writing.