Fill out the Homestead Tax Credit, 54-028 form. Return the form to your city or county assessor.Information regarding the homestead tax exemption including age requirements and filing details. Address: City: State: ZIP: Phone: Answer these questions to determine eligibility: 1. Are you currently an Iowa resident? Pre-populated Homestead Tax Credit Application Forms are available to be printed from within your parcel on our website. The Homestead Credit is available to all homeowners who own and occupy the residence. Homestead Tax Credit and Exemption form. Impoundment Exemption Sign up deadline: February 1. In order to accomplish this, both state and federal law exempt certain assets from the claims of creditors while providing creditors with some protections.