What is business personal property? Register Your Business.To pay for unsecured property (businesses, boats, and airplanes), you will need: Assessment number; Assessor's account number; Business name or business address. Who must file a Business Property Statement (BPS)? The 2024 personal property and real estate property tax amounts are posted and can be paid online. District in Santa Clara County, the Center serves as a Small Business. Outreach Site for southern San Mateo County. Beauchesne, and Bradford Baugh, Jeanne Schmidt, Thomas Kenefick, for civil in the District Court of Santa Clara County.