You must have owned the property as of January 1. The deadline for filing for Homestead Exemption is April 1.You can complete your homestead exemption application online: Online Homestead Application. The filing deadline is April 1st. Residents of Georgia may use the following helpful links to apply for a homestead exemption on their primary residence. Applications are accepted in person year-round. If applying online, current year exemptions must be applied for between January 1 and April 1. The deadline to apply for a homestead exemption is April 1 to receive the exemption for that tax year.