So, partition is when you have two or more owners that own real estate together. You can partition other types of property.A partition action enables you to force the sale of property when coowners are refusing to sell. Normally, in a partition action in California, a coowner of a property has the absolute right to force the sale of the jointly owned property. It is used when a co-owner no longer wants to own the real property, but there isn't an agreement among the owners regarding how to dispose of the property. What paperwork is needed to start the process of a suit for partition for the complete sale of the residential property. Learn everything about filing a property partition case in Florida. Get step-by-step guidance on the process, from determining ownership to going to court. Facing the complex journey of dividing jointly owned property requires a thorough understanding of the partition action process. The first step to calculate your share in a partition action is to determine the value of the property.