The Online Payment System allows you to resolve certain cases without the necessity of a court appearance for some Traffic, Misdemeanor and Parking Citations. Central Time (CT) on the due date to be considered timely.In Person: Municipal Court- 401 South Frio, San Antonio, Texas 78207; Cashiers are available Monday through Friday, am to pm. 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). Annual Tax Calendar ; March 31st, Second quarterly payment due on over-65 installment payment option. (CT) on the due date. View important dates for paying property tax. Get deadlines for paying and filing an extension. If you are experiencing financial hardship and need payment assistance, we urge you to call us at (210) 353-2222 to set up a payment plan. Payment Plans are available for each semester and have preset dates that determine the payment due date.