File for homestead exemption online. Currently the online application is only for Homestead Exemption and Portability.Due to a new legislative change, owners or qualifying relatives of owners can now file for homestead using an Individual Taxpayer Identification Number (ITIN). Property owners in Florida may be eligible for exemptions and additional benefits that can reduce their property tax liability. GENERAL INFORMATION: Property owners applying for a residence homestead exemption file this form and supporting documentation with the appraisal district in. The declaration permits the IRS to postpone certain tax-filing and tax-payment deadlines for taxpayers who reside or have a business in the disaster area. Supreme Lending is a full-service mortgage lender with a mission to create the best home financing experience possible. Learn more and contact us today.