The Property Appraiser mails Homestead Exemption application forms and qualification guidelines to persons who bought homes during the current year. Property owners in Florida may be eligible for exemptions and additional benefits that can reduce their property tax liability.You must file the Transfer of Homestead Assessment Difference Form DR-501T with the homestead application Form DR-501 for your new home. For homeowners in MiamiDade County, the Homestead Exemption is a gamechanger. The deadline for filing for exemptions is March 1st. Exemption forms are available from the Miami-Dade County Property Appraiser's Office. 9. How to Apply: Apply using the Online Exemption Filing Application. Send miami dade county homestead exemption application via email, link, or fax. You can also download it, export it or print it out. For homeowners in MiamiDade County, the Homestead Exemption is a gamechanger.