Both the mortgage and tax foreclosures are cash auctions. Therefore only cash or certified funds must be tendered at the time of sale.The Bexar County Clerk's Office Recordings Division files, records, and maintains Real Property Records, Personal Property Records, Notice of Trustee Sales. Looking for a property tax loan in Bexar County? We offer residential and commercial loans to help you with your property taxes. The forms listed below are PDF files. They include graphics, fillable form fields, scripts and functionality that work best with the free Adobe Reader. Get insights from real estate professionals on tax sales, foreclosure processes, and property investments in Bexar County, TX. Robert Stewart bought a foreclosed property at a county auction. Now the county's collection firm is claiming he must pay the last owner's taxes.