To fill out the one-time Homestead Tax Credit Application (principal residence assessment cap). Maryland requires all homeowners to submit a onetime application to establish eligibility for the Homestead Tax Credit.Enter the SDAT Real Property Tax Identification Number of the property for which Homestead. Eligibility isrequested. The homestead tax credit's a really great program it limits the increase of your taxable assessment. The Homestead Credit is designed to limit the tax liability for homeowners that experience rapidly rising assessments. In bankruptcy, a homestead exemption protects equity in your home. Here you'll find specific information about the homestead exemption in Maryland. This is a program put into place to help manage large assessment increases on your property taxes of your personal residence here in Maryland. This is a property tax credit authorized in State of Maryland law that insulates homeowners against large assessment increases on their principle residence.