Deadline for filing Homestead exemption (including Disability Exemption or Age Exemption) is April 1st. The homestead exemption form is available here.You must file your homestead exemption application with your county tax officials. Homestead status can save you money on your property taxes. Individual taxpayer identification numbers now qualify property owners for homestead exclusion. Douglas County has additional exemptions. The proposed amendment authorized the state legislature to implement a statewide local-option homestead exemption from ad valorem taxes.