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. You should complete all required forms and applica ons for the exemp on and file them with your county property appraiser. What is Required When Filing for Homestead Exemption? The assessed value between zero and 25 000 is fully exempt from property taxes if you qualify for homestead. A homeowner who renovates or builds an ADU to house their parents or grandparents can now qualify for a tax break on the assessed value of their property. Property owner can file petitions contesting tax valuation, homestead exemption status, or. 3.