Partition is the legal term referring to division of real property interests among co-owners (tenants in common). This is a document through which the parties agree that particular property will be "separate property" and will not be divided.This research guide includes information and resources on partition. When there are multiple claimants or joint owners to real or personal property,. A partition action enables you to force the sale of property when coowners are refusing to sell. A joint owner or a claimant of real property or an interest in real property may bring an action to partition the property or interest in a district court. A partition agreement divides, or partitions, a married couple's community estate into two separate estates.