BOE forms (Information only. Obtain forms from either the County Assessor or the Clerk of the Board in the county where the property is located).To pay for unsecured property (businesses, boats, and airplanes), you will need: Assessment number; Assessor's account number; Business name or business address. The owner of a shortterm rental filing form BOE571STR will be required to report the year acquired and the original cost of personal property. What is business personal property? Our San Jose business lawyer helps business owners understand property taxes and business personal taxes. What is a Form 571L Business Property Statement (BPS)? The request for change of address form is mailed together with your annual tax bill. Selling property of a deceased person and identity theft; Estate tax based on value of assets; Forms and publications. How to file final tax returns.