GENERAL INFORMATION: Property owners applying for a residence homestead exemption file this form and supporting documentation with the appraisal district in. This video covers how to fill out Texas Residential Homestead Exemption with a focus on Bexar County.You must apply with your county appraisal district to get a homestead exemption. Applying is free and only needs to be filed once. In other words, a resident cannot claim the homestead exemption to protect against the foreclosure of a mortgage, a materialmen's lien or a government tax lien. The easiest way to do it is just go down to the local appraisal district office in your county, every county has one, and do it in person. First and foremost you must complete a statespecific homestead declaration. This legally protects you from many little-known situations. Section 3 Property information. Bought a primary residence within the past year in Texas?