Personal property is considered Class II property and is taxed at 20 percent of market value. Exemption applications must be filed with your local assessor's office.See our Municipal Profiles for your local assessor's mailing address. Business Personal Property Return. At the top of the Business Personal Property Tax Return, copy the complete legal name of the business and the. The Personal Property Division information page of the SDAT Web site contains links to forms and instructions, brochures, exemptions, tax rate charts and more. The Administrators Office is responsible for maintaining records of real and personal property ownership for use as a basis for ad valorem taxation. The due date for filing a property tax return with your county tax officials is January 1 and April 1 unless otherwise indicated. Revised Cost: If you have added or deleted any business assets or equipment, enter new totals in the "revised costs" section for each purchase year listed. In this position, he is responsible for the collection of the Township, Montgomery County, and Abington School District real estate taxes.