You can pay your property taxes via the Dallas County Tax Office website or renew your vehicle registration via the Texas Department of Motor Vehicles website. A property tax exemption excludes all or part of a property's value from property taxation, ultimately resulting in lower property taxes.You will need to apply using form AP-201, Texas Application (PDF). Information on the Foreign Investment in Real Property Tax Act of 1980 (FIRPTA) and how it affects a foreign person with real property interest. Yes, when you sale property in Texas it is treated just like an investment property. Most questions about your property appraisal or property tax should be addressed to your local appraisal district or tax assessor-collector.