The Business Personal Property Unit assists in the assessment of this type of property. Personal property is valued through the cost approach to value.This publication answers common questions about. Business personal property is personal property used in a business for commercial, industrial, residential, and agricultural purposes. Step 1: Obtain a Transaction Privilege Tax license with the Arizona Department of Revenue. This program is designed to prepare students to meet the requirements to take the Arizona State Real Estate Salesperson's Exam. For questions concerning accounts or auctions please call 602-876-1831. For information regarding auctions, please click here. A handful of numbers are used to calculate the property tax due on each piece of real estate in Arizona. The first is the current cash value of your home.