A "Notice to File Online" will be mailed out in February, which will include the information necessary to file your property statement online. What is business personal property?Download PDF BOE-571-L REV. If the decedent died on or after April 1, 2022, this form must be attached to. • an affidavit or declaration furnished under Probate Code section 13101;. Here you can view assessment and tax data, view property sales and permits, and check out census and school information. Welcome to the County of Riverside Assessor Online Services. The Assessor's primary responsibility is to value taxable property. Welcome to Riverside County Assessor Online Services. Property Tax Forms, Application for Installment Payment Plan, Document, Application for Installment Payment Plan, Request For Cancellation of Penalties.