Homestead Exemption. The deadline to submit a homestead and all exemption applications is March 1 following the year of your home purchase.Contact your local property appraiser if you have questions about your exemption. File the signed application for exemption with the county property appraiser. Homestead exemption applications may now be filed online! You should complete all required forms and applica ons for the exemp on and file them with your county property appraiser. Where can I file for homestead exemption? Filing for homestead exemptions is done through the Seminole County Property Appraiser's Office. What is Required When Filing for Homestead Exemption?