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.Unlock the secrets of property deeds in Texas. Understand the significance of these legal documents and how they define your land ownership. A special warranty deed is the more limited of the two. 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. Impact on Property Taxes: While not as comprehensive as a General Warranty Deed, a Special Warranty Deed still provides a level of protection. A special warranty deed guarantees some protection for the buyer but not as much as a general warranty deed. A Deed of Trust in Texas transfers title of real property in trust.