Business personal property deals with the physical assets used in the operation of the business. Otherwise, provide the name of the business owner.Property managers applying on behalf of a client should indicate the property owner's name in this section. Provide the Business Name, "Doing Business As" (DBA). Search our website for available business names and resources to help you through the filing process. The Business Personal Property Unit assists in the assessment of this type of property. It is highly recommended that you submit your filings on the A.C.C.'s website, eCorp. Your business must register with ADOR before conducting any taxable business activity in Arizona for transaction privilege tax (TPT) and withholding purposes. Register your Residential Property with County Assessor. The owners of our firm have specialized in Real Estate in the Phoenix Valley for over 25 years.