The Bexar County Tax Office offers the option of paying your Property Taxes online with either a major credit card or an electronic check (eCheck). Complete list of Texas Comptroller Property Tax Forms and Applications click here.Texas Comptroller Property Tax Publications click here. IMPORTANT: This rendition covers property you owned on January 1 of this year. The forms listed below are PDF files. They include graphics, fillable form fields, scripts and functionality that work best with the free Adobe Reader. April 15 is the primary deadline for filing a personal property rendition. The Comal Appraisal District is dedicated to serving the Public's needs and increasing community's knowledge of the Texas Property Tax System. The Comal Appraisal District is dedicated to serving the Public's needs and increasing community's knowledge of the Texas Property Tax System. Q: I've never received a bill from Bexar County before, is this legitimate?