Exemption applications must be filed with your local assessor's office. See our Municipal Profiles for your local assessor's mailing address.1 Pike Dr. Wayne, NJ 07470. WHERE TO FILE: This document, and all supporting documentation, must be filed with the appraisal district in the county in which your property is located. Though all property is assessed, not all of it is taxable. See a list of common property tax exemptions in New York State. How to file your Homestead Exemption Application in Kaufman county. Seeking more information on Homestead Exemption? Once you have been approved for the Homestead Exemption, you do not need to fill out the application for future years. Vacant, unused land does not qualify for property tax exemption, even if it will be used in the future or construction is planned.