To claim a donation as a deduction on your U.S. taxes, please keep your email donation receipt as your official record. The Tax Office collects fees for a variety of state and local government agencies and proudly registers voters in Travis County!Please provide your contact information to start your vehicle donation. The Travis Central Appraisal District offers property owners the opportunity to complete several forms online. Online donations are a cost-effective way to contribute to the Travis Mills Foundation. GENERAL INFORMATION: Property owners applying for a residence homestead exemption file this form and supporting documentation with the appraisal district in. Denton County Johnson County Travis County El Paso County Kaufman County Williamson County Ellis County Montgomery County. Informational Links. Login and manage your account. EXEMPTIONS. Learn how to save money on your property tax bill.