The Personal Property Unit is responsible for the discovery and assessment of all taxable business property, boats, commercial and private aircraft. A. State law requires that all tangible property (real and business property along with certain personal property) be taxed in the State of California.A sole proprietorship is the easiest to form and gives you, the owner, complete control. If it's NOT your property stay out. If it's NOT a business or place that is open for business…STAY OUT. Private-to-private transfers of seized property are now prohibited in San Bernardino County. A petition for sale of stock or personal property must allege whether the property is specifically bequeathed. If you will need to occupy, use, or build on NFS land for personal or business purposes, whether the duration is temporary or long term.