Cal. Revenue and Taxation Code § 104 : California Revenue And Taxation Code — Property Taxation — Construction — "Real estate" or "real property" defined Date: 15 Sep 2016 TEXT PDF Current through the 2016 Legislative Session "Real estate" or "real property" includes: (a) The possession of, claim to, ownership of, or right to the possession of land. (b) All mines, minerals, and quarries in the land, all standing timber whether or not belonging to the owner of the land, and all rights and privileges appertaining thereto. (c) Improvements. Ca. Rev. and Tax. Code § 104