If you have any questions on filing for property tax exemptions, please contact our office at 813-272-6100. Secretary of Commonwealth.You can file your homestead declaration in the county or district Registry of Deeds where your residence is located. This Homestead Exemption saves homeowners millions of dollars in property taxes in Hillsborough County, as well as throughout the state. The Homestead Exemption is not automatic; homeowners must apply for it through the Hillsborough County Property Appraiser's office. Step 1: Acquiring the Form The Homestead Declaration form is available at the local Registry of Deeds or can be downloaded from their official website. Edit, sign, and share hillsborough homestead exemption application dr 501 2014 form online. Looking to calculate your potential monthly mortgage payment? Check out our mortgage calculator. Property Tax receipt.