For other questions you may have, please contact the Office of the Tax Assessor-Collector at 210-335-2251 for personalized assistance. Acceptable forms of payment are cash, check, or money order.Use Fill to complete blank online TEXAS REAL ESTATE CONTRACTS pdf forms for free. Filling out this form is straightforward. I. Underwriting Topics. A. How to Use This Manual. We audited American Property Financial (American), a nonsupervised loan correspondent approved to originate Federal Housing Administration mortgage.