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. Online: Go to Homestead Tax Credit Eligibility Application page, and complete the online form.Filing an online application will be faster than mailing one in. You must apply with your county appraisal district to get a homestead exemption. Applying is free and only needs to be filed once. Today I would like to explain to you how you can file for your homestead exemption. Residence Homestead Exemption Form: homestead app. Tax Deferral Form: Tax Deferral Form. How to file your Homestead Exemption Application in Kaufman county. You simply need to continue owning and residing in the property as your primary residence.