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.For more information and to download an application, please visit the Maryland Dept of Assessments and Taxation website. It's called the Homestead Tax Credit, and for homeowners who haven't filed the onetime application, the deadline is on May 1. Do you own any other dwelling or other real estate in the State of Maryland or elsewhere. Exemption applications must be filed with your local assessor's office. See our Municipal Profiles for your local assessor's mailing address. She received a homestead exemption for the first home in May 2008. Maryland fill-out forms use the features provided with Acrobat 3.0 products. Start your career with DQ® today.