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. 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. If handwritten please print legibly. The State of Maryland provides a credit for the real property tax bill for homeowners of all ages who qualify on the basis of gross household income. For more information and to download an application, please visit the Maryland Dept of Assessments and Taxation website. The State of Maryland and Washington County offers a variety of tax credit programs. Click on the headings below for information.