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.Homestead Tax Credit More Info. For more information and to download an application, please visit the Maryland Dept of Assessments and Taxation website. Using our PDF tool, you can fill out the Homestead Tax Credit Form in a wink. It's called the Homestead Tax Credit, and for homeowners who haven't filed the onetime application, the deadline is on May 1. Maryland fill-out forms use the features provided with Acrobat 3.0 products. What is a "Homestead Exemption"? For homeowners with a principal residence in Maryland, the Homestead Tax Credit limits increases in assessed property value. Start your career with DQ® today.