The Property Appraiser mails Homestead Exemption application forms and qualification guidelines to persons who bought homes during the current year. If, as a new owner, you want to receive a Homestead Exemption in Miami-Dade or Broward County, you must apply before March 1st of the following tax year.You should complete all required forms and applica ons for the exemp on and file them with your county property appraiser. You are in the process of filing a petition with the Value Adjustment Board (the "VAB") to request a tax exemption or property classification for 2018. This. The deadline for filing for exemptions is March 1st. Exemption forms are available from the Miami-Dade County Property Appraiser's Office. Since each case is different, other documents may be required. " IN THE CIRCUIT FOR THE ELEVENTH JUDICIAL CIRCUIT IN MIAMI-DADE COUNTY, FLORIDA. This exemption is exclusively available to primary residence property owners, and the application deadline is March 1st. For homeowners in MiamiDade County, the Homestead Exemption is a gamechanger.