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. The Homestead Exemption is required for this exemption. Missed the March 1 timely filing deadline for a 2024 Homestead exemption? Exemptions include homestead, widow, disability, etc.