The Homestead Credit limits the increase in taxable assessments each year to a fixed percentage. 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. Filing an online application will be faster than mailing one in. State of Maryland limits its increase to 10 percent. This credit will reduce county and state tax liability and will be reflected in the property tax bill. 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.