The Property Appraiser mails Homestead Exemption application forms and qualification guidelines to persons who bought homes during the current year. Complete the form online and select the state's e-file option.Contact your local property appraiser if you have questions about your exemption. File the signed application for exemption with the county property appraiser. This guide is designed to cover the basics and nuances of property taxes in MiamiDade County and provide you with helpful resources. Save thousands on property taxes! Remember, you must have been living in the home as your primary residence as of January 1st of that year to qualify. In order to apply for a homestead exemption you generally have to submit an application before March 1 of the year you wish to qualify. Filing for Florida's Homestead Exemption can offer you tax savings when you own real estate in Florida. To qualify, you must own and occupy the property as your principal residence as of January 1, 2025.