Disabled applicants must complete form DTE 105E,. What residence homestead exemptions are available to persons age 65 or older or disabled?There are several types of exemptions you may receive. What is the Homestead Exemption? Age 65 and older have no exemption limit. Homestead exemptions can help lower the property taxes on your home. Here, learn how to claim a homestead exemption. Gov for income limits in future years. Douglas County has additional exemptions. Depending on your disability rating, income and the state you live in, you may be able to receive a partial or full property tax exemption.