If you have any questions on filing for property tax exemptions, please contact our office at 813-272-6100. Although, the application may be filed as late as March 1.If you owned the property and resided in the home before January 1, and you are completing the form before March 1, use the current calendar year; otherwise use. DEADLINE TO FILE: For most issues, the filing deadline is on or before the 25th day following the date that the. March 1 is the statutory deadline to file a Homestead Exemption application with our office. Florida Homestead Exemption official filing period is January 1 – March 1. If you miss the March 31st deadline for your Hillsborough property tax payment, you'll face penalties and interest charges. Were you or your dependent(s) living in the dwelling on January 1? • Do you claim residency in another county or state? You must reside in the property as of December 31st and must file for homestead exemption on or before March 1st.