First-time Homestead Exemption applicants and persons applying for the Homestead Assessment Difference (Portability) can file online. You must select one of the Disability Exemptions listed on the Homestead Exemption application form.Contact your local property appraiser if you have questions about your exemption. File the signed application for exemption with the county property appraiser. Log in to your account. You can only claim this exemption on a property that is your primary residence. In order to transfer, the homeowner must apply for Homestead Exemption, then file the DR-501T form to perform the transfer.