The Personal Property Division information page of the SDAT Web site contains links to forms and instructions, brochures, exemptions, tax rate charts and more. You'll need to enter the Book or MD treatment for Maryland Personal Property Tax returns.By default, the Book treatment transfers to the return. Section VVII: Complete the information requested. See above for exempt organizations. All corporations, limited liability companies (LLCs), limited liability partnerships (LLPs), and limited partnerships must file personal property returns. Section V-VII: Complete the information requested. See below for more information on exempt organizations. At the beginning of each calendar year, the Maryland Department of Assessments and Taxation mails a personal property return to all businesses on record. If the assessed value of your property goes up, then your property tax bill will increase.