You may file this application online at onestop.md. 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. Maryland requires all homeowners to submit a one-time application to establish eligibility for the Homestead Property Tax Credit. Maryland Homestead Tax Credit Application ; How to Apply for the Maryland Homestead Tax Credit. The homestead tax credit's a really great program it limits the increase of your taxable assessment. 4107672165 in the Baltimore Metropolitan area or at 18666508783 elsewhere in Maryland. Homeowners Property Tax Credit Application. Maryland Homestead Property Tax Credit Program. If handwritten please print legibly.