100 Dolorosa Room 123 San Antonio, TX 78205 Phone: Fax: Monday - Friday AM - 5: Information of Person Signing Affidavit: Enter your first, middle (if any), and last name.This article answers frequently asked questions about using a small estate affidavit to transfer probate property to heirs in Texas. O Fill out Section A if you want the surviving spouse to get your share of the property upon your death. Instructions and forms for a small estate affidavit application. Bexar County Small Estate Affidavit Form. In this video, we walk you through preparing the Bexar County, Texas form Small Estate Affidavit for a hypothetical deceased person. Affidavit of Heirship to identify heirs of a deceased home owner. These would include a spouse, or, if the decedent was not married, an adult child. Bexar County Appraisal District representatives will also be present and answer your individual questions and help you complete your exemption form.