Simplicity and Accessibility: Filing the Homestead Declaration is a straightforward process. Do you want to know about the Arizona homestead exemption?You may need to record a Declaration of Homestead. Can I pay my taxes online? Please contact the Maricopa County Treasurer for all questions regarding taxes or online at their website. Maximize property tax benefits tailored to your location. The Homestead Act of 1862 parceled out millions of acres of land to settlers. Taxing units have the option to offer an additional exemption of up to 20 percent of the total value. A homestead exemption protects the value of a home from property taxes and creditors after the death of a homeowner's spouse.