Property owners who qualify for other exemptions, must complete the corresponding form and submit it to the Property Appraiser's Office. The social security number will be used to verify taxpayer identity and homestead exemption information submitted to property appraisers.Continued on page 2. The deadline for filing for exemptions is March 1st. Exemption forms are available from the Miami-Dade County Property Appraiser's Office. 9. This guide is designed to cover the basics and nuances of property taxes in MiamiDade County and provide you with helpful resources. All legal Florida residents are eligible for a Homestead Exemption on their homes, condominiums, co-op apartments, and certain mobile home lots if they qualify. The most common real property exemption is the homestead exemption.