Online: Go to Homestead Tax Credit Eligibility Application page, and complete the online form. Filing an online application will be faster than mailing one in.The property owner may be entitled to a homestead exemption if he or she owns a single-family residence and occupies it as their primary residence. Exemption applications must be filed with your local assessor's office. See our Municipal Profiles for your local assessor's mailing address. If known, fill in the parcel number of the property for which you are seeking a homestead exclusion. To fill out the one-time Homestead Tax Credit Application (principal residence assessment cap). 1. What is the Homestead Exemption Program? The Homestead Tax Credit is a onetime application and is necessary to ensure that the ITOC appears on future tax bills. A homestead exemption is defined as a single-family owner-occupied dwelling and the land thereto, not exceeding 160 acres.