A "Notice to File Online" will be mailed out in February, which will include the information necessary to file your property statement online. Each person owning taxable personal property with an aggregate cost of.Welcome to Riverside County Assessor Online Services. What is business personal property? Download PDF BOE-571-L REV. The new factors are on the 2025 Business Personal Property Return which can be found on the Forms and Documents page of this website. Statistical methods for performing evaluations of the law enforcement responses. Property Tax Forms, Application for Installment Payment Plan, Document, Application for Installment Payment Plan, Request For Cancellation of Penalties.