Permanent Florida residency required on January 1. Application deadline date is September 1st of the current year.Q1. NEW CLAIMS: Applicant has submitted copies of the following documents: ⃣. Letter describing specific use(s) and occupancy of the property. Application for Property Tax Exemption. To establish eligibility for property tax exemption, the claimant must sign and file an affidavit with the County. How to Apply: Apply using the Online Exemption Filing Application. Homestead: This exemption can help homeowners reduce state property taxes and protect surviving spouses from creditors. State law requires taxpayers with multiple business locations to renew their TPT licenses electronically.