The deadline to file a 2025 exemption application is March 1, 2025. Click Here To Apply for Homestead and Other Exemptions Online.What is your social security number and your co- applicant or spouse's social security number? Complete a homestead declaration form. The social security number will be used to verify taxpayer identity and homestead exemption information submitted to property appraisers. Continued on page 2. The most common real property exemption is the homestead exemption. How do I file a declared homestead? Homestead Exemption Laws Change. Indeed, small farmers acquired more land under the Homestead Act in the 20th century than in the 19th.