Unlike real property, business property is appraised annually. In general, business property values are based on original cost, property classification and type of business.Personal property taxes are paid annually. What constitutes business property? Download PDF BOE-571-L REV. Today's q a session is to help you prepare your business per personal property statement also known as the 571l. In essence, Business Personal Property is all property used in the course of doing business that is not exempt. What personal property is exempt? To pay for unsecured property (businesses, boats, and airplanes), you will need: Assessment number; Assessor's account number; Business name or business address. Real estate property is not included in business personal property.