An alphabeticalbytopic list is provided below containing information and downloadable PDF forms, when available, or links to external resources. Online filing and searching available through SOSDirect.For information or to subscribe, call . Calculate how much you can expect to pay in property taxes on your home in Tarrant County, Texas. Compare your rate to the state and national average. Add or Remove a Lien on a Vehicle. To add or remove a lien on your vehicle title, visit your local county tax office. NexBillPay is a trusted third party automated payment service that allows you to pay your bill online. Sales taxpayers closing a place of business are responsible for filing a sales tax return covering the final filing period. Financial calculators are estimation tools to help you with financial decisions and goals. Calculators.