Property owners who qualify for other exemptions, must complete the corresponding form and submit it to the Property Appraiser's Office. The deadline for filing for exemptions is March 1st.Exemption forms are available from the Miami-Dade County Property Appraiser's Office. 9. File the signed application for exemption with the county property appraiser. Signature, property appraiser or deputy. Date. If you're planning to claim a homestead exemption, you must first apply for a Florida driver's license. 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. You must be a US Citizen or permanent US Resident and a Florida resident as of January 1st. 3. The deadline to file for homestead exemption is March 1st of the current tax year.