Typically, you'll need to fill out a homestead exemption application with your county tax office. The homestead can't exceed one acre in a city or 160 acres in a rural area.Proof of ownership of your property in the form of a copy of a tax bill or your deed. To ensure you qualify, be sure to click the link next to the summary to see your state's complete tax exemption requirements. Permanent Florida residency required on January 1. Under the law, the house that you own and live in as your primary residence is a homestead.