A warranty deed guarantees that a seller owns the property free and clear of liens. 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. We recommend a General Warranty Deed to transfer your real estate to your trust. A special warranty deed guarantees some protection for the buyer but not as much as a general warranty deed. A special warranty deed and usually a deed of trust to secure assumption should be executed. Warranty Deeds in Texas are generally used to transfer title to real estate between parties. Function: A Warranty Deed transfers property ownership with guarantees, ensuring the buyer gets a clear title. A warranty deed, or general warranty deed as it is sometimes called, is a legal document used in real estate transactions. Special Warranty Deeds are often used when the grantor has not held the property for an extended period, such as in the case of bank sales or foreclosures.