Partition is the legal term referring to division of real property interests among co-owners (tenants in common). 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. This is a document through which the parties agree that particular property will be "separate property" and will not be divided. A partition agreement divides, or partitions, a married couple's community estate into two separate estates.