File for homestead exemption online. Currently the online application is only for Homestead Exemption and Portability.What is your social security number and your co- applicant or spouse's social security number? Save thousands on property taxes! If you're planning to claim a homestead exemption, you must first apply for a Florida driver's license. Certified Death Certificate filed? By law, a homestead exemption is not transferable. If you move, your homestead exemption does not automatically follow you to your new residence. For homeowners in MiamiDade County, the Homestead Exemption is a gamechanger. Homestead property is best protected if the owner's family uses the property.