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