To fill out the one-time Homestead Tax Credit Application (principal residence assessment cap). Enter the SDAT Real Property Tax Identification Number of the property for which Homestead.Eligibility isrequested. Maryland requires all homeowners to submit a onetime application to establish eligibility for the Homestead Tax Credit. This is a program put into place to help manage large assessment increases on your property taxes of your personal residence here in Maryland. Online: Go to Homestead Tax Credit Eligibility Application page, and complete the online form. The Homestead Tax Credit caps the percentage increase that you can be taxed on the assessed value of your home. If handwritten please print legibly. Please note that the application will require you to provide your Social Security number in order to track the properties statewide, as many names are similar. The Homestead Property Tax Credit is designed to limit the tax burden on property owners whose property assessment have increased.