A "Notice to File Online" will be mailed out in February, which will include the information necessary to file your property statement online. Business personal property must be listed for tax purposes on an annual basis.Welcome to Riverside County Assessor Online Services. Each person owning taxable personal property with an aggregate cost of. A listing form is required if one or more of the following apply: You have made improvements to your real estate during the previous year. Download PDF BOE-571-L REV. Explore job vacancies at Verizon. The bill, known as HB 581, promises relief to homeowners while maintaining property values. It would cap tax hikes on homes.