WHAT PROPERTIES MUST BE APPRAISED?REAL PROPERTY - the physical land and appurtenances affixed to the land, e.g., structures.The term "land," "real estate," "realty" and "real property" are often used interchangeably. TANGIBLE PERSONAL PROPERTY - items other than real estate that is used in a business orrental properties. It includes such assets as furniture, computers, tools, machinery, signs,equipment, leasehold improvements, supplies and leased equipment. MINERALS - although considered real property are mentioned separately due to the oil fields inJay and the Blackjack Creek Field. Mineral rights and working interests are taxable. CENTRALLY ASSESSED PROPERTIES - commonly thought of as railroads, are appraised bythe Department of Revenue. MOBILE HOMES & MANUFACTURED HOMES - when permanently in place with a realproperty (RP) designation.