Homestead Exemption. The deadline to submit a homestead and all exemption applications is March 1 following the year of your home purchase.Homestead exemption applications may now be filed online! After you have created your online account and gathered the required documents necessary to qualify for the exemption that you are applying for. Permanent Florida residency required on January 1. How To Apply For A Homestead Exemption? What is Required When Filing for Homestead Exemption? You should complete all required forms and applica ons for the exemp on and file them with your county property appraiser. You should complete all required forms and applica ons for the exemp on and file them with your county property appraiser. One of the most notable tax exemptions in Pinellas County is the homestead exemption.