Your home’s assessed value is reduced for property tax purposes if you served in the military. How much the value drops depends on your local taxing jurisdiction, so the dollar saving varies around the state.
File the Application for Military Service Property Tax Exemption with your county or city tax assessor, not with the state. Use the Iowa Assessor Directory to find the assessor for your property.
Your DD214 or other discharge paperwork showing your service dates and character of discharge, and proof that you owned the home by 1 July of the year you are claiming.