Per the Texas Comptroller, the completed application and required documentation are due no later than April 30 of the tax year for which you are applying. The general deadline for filing an exemption application is before May 1.You can apply for a homestead exemption at any time. The deadline for application is April 30th. Residence Homestead Exemptions Frequently Asked Questions (FAQ). 1. A general residential homestead exemption is available to taxpayers who own and reside at a property as of January 1 st of the year. Homestead exemption may be filed up to two years after the deadline for filing has passed. WHERE TO FILE: This document, and all supporting documentation, must be filed with the appraisal district in the county in which your property is located. When filing for the Residence Homestead exemptions, you must file an application no later than two years after the delinquency date. The typical deadline for filing a county appraisal district homestead exemption application is between January 1 and April 30.