If you have any questions on filing for property tax exemptions, please contact our office at 813-272-6100. To get the exemption, you must first fill out an application and show proof of residence, as of January 1 of the year you wish to qualify.Permanent Florida residency required on January 1. Welcome to the Hillsborough County Property Appraiser's online Homestead Exemption application! March 1 is the statutory deadline to file a Homestead Exemption application with our office. In Florida, the law places a cap on the annual increase in assessed value for properties with a homestead exemption. We have listed links below for you to file homestead exemptions online for Hillsborough, Pasco, Pinellas, Manatee and Polk counties. You can file for the exemption with the county where your property is located either in person, online or via mail. Hillsborough County Referendum No. 2 asks county voters to approve a property tax increase for school operations. Draw your signature, type it, upload its image, or use your mobile device as a signature pad.