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 is typically used in combination with a Promissory Note or Mortgage Agreement which sets out the amount and terms of the loan agreement. You would execute the Promissory Note and then execute the Deed of Trust to secure the payment of the Note. When used with a We The People Deed of Trust, the Promissory Note is secured with a lien on the real estate listed in the Deed of Trust. As a preliminary matter, Texas law differentiates between enforcement of a promissory note and a deed of trust. The tax deed from the sheriff's sale was filed in the Bexar County property records on September 24, 2009. Filed and recorded in Bexar County on January 30, 2008.