The Half-Payment Plan is available to all Taxpayers and Business Owners for both real estate and business personal property accounts. Taxes are payable in two.Installment payments apply to all taxing units on the bill. Texas imposes a 6.25 percent state sales and use tax on all retail sales, leases and rentals of most goods, as well as taxable services. Need to file a mechanics lien in Bexar County? Find everything you need to file your lien with the Bexar County Clerk here. The funds will also be used to carry out Bexar AAA's Strategic Plan. Please Fill out a Survey.