A warranty deed guarantees that a seller owns the property free and clear of liens. While a general warranty deed protects the buyer against all possible title defects, a special warranty deed offers a bit less protection for the grantee.Function: A Warranty Deed transfers property ownership with guarantees, ensuring the buyer gets a clear title. 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 warranty deed is a legal document that is used when transferring ownership of property from a grantor (seller) to a grantee (buyer). A special warranty deed guarantees some protection for the buyer but not as much as a general warranty deed. In Texas, a general warranty deed is the type of deed used most often. Look for ASSN (Assignment), SI (Security Instrument) and DT (Deed of Trust) are document types to start your paper trail. Fill in the blank form formatted to comply with all recording and content requirements.